Hurricane Hilary: Difference between revisions

Hurricane Hilary
	Hilary at peak intensity while paralleling the western coast of Mexico on August 18
Meteorological history
Formed	August 16, 2023
Dissipated	August 21, 2023
Category 4 major hurricane
	1-minute sustained (SSHWS/NWS)
Highest winds	145 mph (230 km/h)
Lowest pressure	939 mbar (hPa); 27.73 inHg
Overall effects
Fatalities	4 total
Damage	Undetermined
Areas affected	Western Mexico, Revillagigedo Islands, Baja California peninsula, Southwestern United States
	Part of the 2023 Pacific hurricane season

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Revision as of 21:53, 22 August 2023

Hurricane Hilary was a large, potent Category 4 Pacific hurricane in August 2023 which brought torrential rainfall and gusty winds to the Pacific Coast of Mexico, the Baja California Peninsula and the Southwestern United States, resulting in widespread flooding and numerous mudslides.

The eighth named storm, sixth hurricane, and fourth major hurricane of the 2023 Pacific hurricane season, Hilary originated from a disturbance south of Mexico associated with a tropical wave that entered the Pacific Ocean from Central America on August 12. The disturbance gradually grew more organized, and was named Tropical Storm Hilary while off the coast of Manzanillo, Colima, on August 16. Hilary quickly strengthened into a hurricane the next day. While tracking west-northwestward on August 17 and 18, it underwent rapid intensification, reaching its peak as a Category 4 hurricane with sustained winds of 145 mph (235 km/h) and a central pressure of 939 millibars (27.7 inHg). The cyclone then quickly weakened the following day due to the effects of cooler sea surface temperatures, drier air, and increasing wind shear. After weakening into a tropical storm, Hilary made landfall in San Quintín, Baja California, at 18:00 UTC on August 20, about 215 mi (345 km) south-southeast of San Diego, California. It then tracked northward into California, retaining its tropical characteristics through the morning of August 21, when it transitioned into a post-tropical cyclone while over the southern San Joaquin Valley. Hilary was the first tropical storm to enter California since Nora in 1997.^[2]

In anticipation of "catastrophic and life-threatening flooding", the National Hurricane Center (NHC) issued an unprecedented tropical storm warning for Southern California, extending from the Mexico–United States border to just north of Los Angeles.^[3] Forecasting persistent heavy rainfall, potentially "more than a year’s worth of rain" in some areas, flood watches were issued, affecting about 26 million people in four states (Arizona, California, Nevada, and Utah), and the entire region was placed under a high risk threat for flash flooding by the Weather Prediction Center (WPC).^[4]^[5]^[6] Hurricane Hilary caused one direct death and three indirect deaths in Mexico.^[1]

Meteorological history

On August 12, a tropical wave traversing Central America producing widespread rain showers and thunderstorms entered the far eastern Pacific.^[7] A broad area of low pressure developed within the wave on August 14, off the southern coasts of Mexico, Guatemala, and El Salvador.^[8] The disturbance gradually became better organized during the following day, and when a well-defined circulation along with developing convective banding features were observed on the morning of August 16, it was classified as Tropical Storm Hilary by the National Hurricane Center (NHC).^[9] Convection near the storm's center increased as the day progressed, dense overcast started to develop over the growing storm as a result, and an eye began to form at its center.^[10] Consequently, Hilary quickly strengthened into a Category 1 hurricane by 12:00 UTC on August 17, while located about 320 mi (515 km) southwest of Manzanillo, Colima.^[11] Deep convection intensified beneath the system's cloud tops, which had cooled to below −112 °F (−80 °C), and its expanding upper-level outflow pattern became symmetric.^[12] Hilary continued to rapidly intensify, reaching Category 4 strength at 06:00 UTC on August 18.^[13]

Timelapse of Hilary as imaged by the GOES-18 Advanced Baseline imager in simulated true color from 12:30 UTC August 17 through 22:07 UTC August 18

By 15:00 UTC that day, Hilary's intensity leveled off with sustained winds at 145 mph (230 km/h), an increase of 80 mph (130 km/h) over a 24‑hour period.^[14] Hilary benefited from exceptional conditions during its intensification phase, with sea-surface temperatures of near 86 °F (30 °C), low wind shear, and high relative humidity levels.^[15] The hurricane initially tracked west-northwestward, then toward the northwest during this time, responding to the steering influences of a trough of low pressure to its north near the California coast and a ridge of high pressure over the central United States.^[12]^[14]^[15] As those influences began drawing Hilary north-northwestward on the morning of August 19, asymmetrical convective patterns developed as the deep convection on the west side of the system was being eroded by an intrusion of dry and stable air. This caused the hurricane to weaken to Category 3 strength, with winds of 125 mph (205 km/h).^[16] By the end of that day, the hurricane had fallen to Category 1 intensity as a result of the adverse effects of cooler waters, drier air, and increasing shear.^[17] At around 10:30 UTC the eye of the storm briefly touched the mainland at Punta Eugenia, Baja California Sur, before passing over the nearby inhabited islands of Natividad and Cedros.^[18]

Hilary made landfall at around 18:00 UTC on August 20, with tropical storm-force winds of 65 mph (105 km/h) in San Quintín, Baja California, about 215 mi (345 km) south-southeast of San Diego, California.^[19]^[20] The storm continued to move north-northwestward after landfall, and crossed into California about six hours later, south-southwest of Palm Springs.^[21] On the morning of August 21, while moving over southern California and Nevada, Hilary lost all tropical characteristics, becoming a post-tropical cyclone.^[22]

Preparations

Mexico

The Mexican Government issued watches for southern Baja California Sur on August 17.^[23] They were upgraded to warnings later that day.^[24] Hurricane watches were issued for western parts of the Baja California peninsula at 03:00 UTC on August 18, and by 15:00 UTC the same day, they were upgraded to hurricane warnings as hurricane watches were issued for the west coast of Baja California.^[25]

School classes and public activities were cancelled in Baja California, and in Baja California Sur, a baseball game was postponed and ports along the state's coast were closed.^[26] Several schools in Cabo San Lucas were used as temporary shelters, and 18,000 soldiers were on alert.^[27] In La Paz, law enforcement patrolled closed beaches, while schools in five municipalities were shut down.^[27] Around 20 flights were cancelled at Los Cabos International Airport.^[28] Tijuana and Ensenada closed their beaches August 19.^[29]^[30] Across five islands in the hurricane's path, 850 people were evacuated.^[31]

United States

On August 18, the NHC issued its first-ever tropical storm watch for southern California, and a level 4/high risk for excessive rainfall was issued by the Weather Prediction Center.^[32] This became the first ever high risk of flash flooding in the desert valleys of Southern California east of the Peninsular Ranges.^[33] A flood watch was also issued for portions of California, Nevada, Utah, and Arizona.^[34] Twelve hours later, the NHC upgraded the tropical storm watch to a tropical storm warning for the region.^[35] On August 19, the level 4/high risk from the Weather Prediction Center was continued and expanded.^[36]

Amtrak cancelled its August 19 run of the westbound Sunset Limited due to the storm;^[37] the eastbound August 20 run was also cancelled with its Texas Eagle attachment originating in San Antonio.^[38] They also truncated the August 19 runs of westbound Southwest Chief and the southbound Coast Starlight to Albuquerque, New Mexico, and Emeryville, California, respectively.^[39] The August 20 runs of these two trains going eastbound and westbound respectively would also originate from these locations.^[40] Numerous Pacific Surfliner trains were also cancelled, forced to run on modified schedules, or delayed between August 19-21 as well.^[41] Parts of Joshua Tree National Park, Death Valley National Park, Mojave National Preserve, and Lake Mead are closed.^[27]^[42]^[43]^[44] The Los Angeles County Department of Parks and Recreation announced that all parks and facilities were closed on Sunday and Monday. The Los Angeles County Sheriff's Department advised all people to leave Catalina Island on August 19 and Avalon Bay was closed to boats and ships.^[32]^[45] Additional resources were deployed to the island by the Los Angeles County Sheriff's Department and the Los Angeles County Fire Department.^[45] The San Bernardino County Sheriff's Department issued evacuation warnings for Oak Glen, Forest Falls, Mountain Home Village, Angelus Oaks and northeast Yucaipa also on August 19.^[32] Evacuation warnings were also issued for Orange County, including areas near the Bond Fire scar.^[46] The launch for Falcon 9 and Starlink satellites from Vandenberg Space Force Base near Los Angeles was postponed by SpaceX.^[47]^[48] An emergency operations center was opened in San Diego and Los Angeles.^[49]^[50]^[51] Southwest Airlines flights departing from Palm Springs International Airport were cancelled.^[52] Other airports in the region that had flights affected include Los Angeles, Bakersfield, Burbank, Long Beach, Ontario, Orange County, Santa Barbara, San Luis Obispo, and San Diego. DoorDash suspended operations in numerous areas across southern California.^[53]

Major League Baseball rescheduled three games in advance of Hilary: one each for the San Diego Padres, Los Angeles Dodgers and Los Angeles Angels.^[54] Major League Soccer home games for the LA Galaxy and Los Angeles FC were also rescheduled.^[55] The National Football League however did not cancel a Los Angeles Chargers preseason game at SoFi Stadium. Del Mar Racetrack canceled the race meeting scheduled on August 20. This is only the second time in the 84-year track's history that such a cancellation occurred.^[56] In addition, no live audience was permitted to attend the August 20 games for VALORANT Champions Los Angeles at the Shrine Auditorium and Expo Hall.^[57] The United States Navy moved carriers and ships out to sea and out of Hilary's path, including the USS Theodore Roosevelt, and to park aircraft in hangars.^[58] Federal Emergency Management Agency staff and personnel were ordered to be positioned in southern California by President Joe Biden, and Biden urged residents and people in the storm's path to take precautions.^[59]^[60]^[61] Nevada governor Joe Lombardo deployed 100 National Guard and Nevada National Guard troops to assist southern Nevada impacted by severe weather associated with Hilary.^[62]^[63] Lombardo also declared a state of emergency, along with emergencies in Clark and Nye counties.^[63]^[64] California governor Gavin Newsom declared a state of emergency for southern California.^[65]^[66] The California National Guard preemptively deployed to multiple locations across southern California on August 19.^[67] The American Red Cross opened shelters in Imperial, San Bernardino, and Riverside counties.^[68] Emergency shelters were also opened by local governments in Yucca Valley and Twentynine Palms.^[69]

Ongoing strikes by the Writers Guild of America and SAG-AFTRA were cancelled for Monday in Los Angeles in preparation for Hilary.^[70] A concert at the Hollywood Bowl was postponed, and all Los Angeles County Department of Parks and Recreation areas were closed.^[71] Disneyland and Disney California Adventure were closed early. Legoland California, SeaWorld San Diego and San Diego Zoo were closed on August 20.^[72]^[73] The Los Angeles Zoo, Six Flags Magic Mountain, and Knott's Berry Farm were also closed.^[74] California State University, Los Angeles and California State University, Fullerton canceled classes on August 21.^[75]^[76] All campuses in the Bear Valley Unified School District were closed on August 21.^[74] Numerous airlines offered travel waivers to airports in southern California.^[77] Los Angeles mayor Karen Bass signed a local emergency declaration on August 19.^[74] On August 20, 2023, the Los Angeles Unified School District announced that campuses would be closed the following day.^[78]^[79] Several schools in Orange County were closed.^[76] Fullerton College was closed as well, and schools across the Anaheim Union High School District, Anaheim Elementary School District, and the South Orange County Community College District were also closed.^[76]

On August 20, the Storm Prediction Center issued a level 2/slight risk in Southern California, which included 5% risk of tornadoes.^[80] The Weather Prediction Center also continued the level 4/high risk, with forecaster David Roth stating that "the 00z NAM CONEST advertises local amounts of 17 inches (43 cm)+, which would be exceedingly rare, bordering on unique, for the region from a tropical cyclone and unique for Nevada. The 100 year ARI is forecast to be exceeded over a broad area."^[81] At 16:00 UTC, Weather Prediction Center forecaster Richard Bann changed the outlook slightly, noting that model guidance indicated the chance for 5 inches (13 cm) of rainfall in the Idaho mountains from Hurricane Hilary.^[82]

Impact

Mexico

Heavy rains from the developing storm affected portions of southern and western Mexico,^[15] and ports were closed to navigation along the Pacific coast from Oaxaca to Colima on August 17.^[83]^[84] Coastal areas of Sinaloa recorded torrential rains from the hurricane's passage, with the first fatality reported on August 18 in Navolato when an SUV and its driver were washed away.^[85] Damage was also reported in the municipalities of Angostura, Badiraguato, Elota, and Salvador Alvarado.^[86]

On the Baja California peninsula, nearly 1,900 people were evacuated to shelters.^[31] One member of a family died when their vehicle was washed away by flood waters in Santa Rosalía, BCS.^[28]

United States

Numerous flash flood warnings were issued across southern California, including Los Angeles.^[87] Roads were flooded across Death Valley National Park,^[87] with rain totaling 2.20 in (56 mm) according to a rain gauge in the park at Furnace Creek. If verified, this would make it the rainiest day in Furnace Creek's recorded history.^[88] Portions of I-8, I-10, I-15, SR 14, and the Pacific Coast Highway closed due to flooding and rockslides.^[89]^[90]^[74]^[68] Floodwaters entered Eisenhower Medical Center, but this did not impact operations there.^[91] Vehicles were inundated in Palm Springs and Coachella Valley.^[91] Palm Springs declared a local state of emergency.^[91] Pixar Pier was temporarily evacuated, as warning sirens were heard there.^[92] A tornado warning was issued for Alpine and Descanso.^[93] Water rescues occurred across the San Diego area.^[31] 9-1-1 lines were down in Palm Springs, Cathedral City, and Indio. A local state of emergency was declared in Indio.^[68] At least 1,000 flights were cancelled and 3,700 were delayed.^[77] More than 5,000 customers were left without electricity according to the Los Angeles Department of Water and Power.^[94]

References

^ ^a ^b Ricardo Díaz Canseco (August 19, 2023). "Huracán Hilary: así fue el rescate de familias arrastradas por la corriente que dejó la lluvia torrencial" (in Spanish). Infobae. Archived from the original on August 21, 2023. Retrieved August 21, 2023. … 4 pérdidas ocasionadas por el fenómeno natural de categoría 1.
^ Oberholtz, Chris (August 21, 2023). "When was the last time a hurricane or tropical storm hit California?". Fox Weather. Retrieved August 21, 2023.
^ Shapiro, Emily; Golembo, Max; Peck, Daniel; Pereira, Ivan (August 18, 2023). "Hilary track and updates: 1st ever tropical storm watch issued in Southern California". ABC News. Archived from the original on August 20, 2023. Retrieved August 21, 2023.
^ Masters, Jeff; Henson, Bob (August 18, 2023). "California's first Tropical Storm Watch on record as Hurricane Hilary heads for Baja". Haven, Connecticut: Yale Climate Connections. Archived from the original on August 19, 2023. Retrieved August 20, 2023.
^ Wulfeck, Andrew (August 18, 2023). "Hurricane Hilary could dump over year's-worth of rainfall in parts of Desert Southwest". FOX Weather. Archived from the original on August 19, 2023. Retrieved August 20, 2023.
^ Freedman, Andrew (August 18, 2023). "Category 4 Hurricane Hilary prompts first-ever tropical storm watch for California". Axios. Archived from the original on August 19, 2023. Retrieved August 20, 2023.
^ Cangialosi, John (August 12, 2023). "Tropical Weather Outlook". Miami, Florida: National Hurricane Center. Archived from the original on August 14, 2023. Retrieved August 17, 2023.
^ Zelinsky, David (August 14, 2023). "Tropical Weather Outlook". Miami, Florida: National Hurricane Center. Archived from the original on August 15, 2023. Retrieved August 17, 2023.
^ Bucci, Lisa; Camposano, Samantha (August 16, 2023). Tropical Storm Hilary Discussion Number 1 (Report). Miami, Florida: National Hurricane Center. Archived from the original on August 17, 2023. Retrieved August 17, 2023.
^ Berg, Robbie (August 17, 2023). Tropical Storm Hilary Discussion Number 4 (Report). Miami, Florida: National Hurricane Center. Archived from the original on August 18, 2023. Retrieved August 17, 2023.
^ Pasch, Richard (August 17, 2023). Hurricane Hilary Intermediate Advisory Number 4A (Report). Miami, Florida: National Hurricane Center. Archived from the original on August 17, 2023. Retrieved August 17, 2023.
^ ^a ^b Pasch, Richard (August 17, 2023). Hurricane Hilary Discussion Number 5 (Report). Miami, Florida: National Hurricane Center. Archived from the original on August 18, 2023. Retrieved August 18, 2023.
^ Berg, Robbie (August 18, 2023). Hurricane Hilary Intermediate Advisory Number 7A (Report). Miami, Florida: National Hurricane Center. Retrieved August 18, 2023.
^ ^a ^b Cangialosi, John (August 18, 2023). Hurricane Hilary Discussion Number 9 (Report). Miami, Florida: National Hurricane Center. Archived from the original on August 20, 2023. Retrieved August 18, 2023.
^ ^a ^b ^c Masters, Jeff; Henson, Bob (August 17, 2023). "Rapidly intensifying Hurricane Hilary heads toward Southern California]". Haven, Connecticut: Yale Climate Connections. Archived from the original on August 17, 2023. Retrieved August 18, 2023.
^ Cangialosi, John (August 19, 2023). Hurricane Hilary Discussion Number 13 (Report). Miami, Florida: National Hurricane Center. Archived from the original on August 20, 2023. Retrieved August 19, 2023.
^ Brown, Daniel (August 19, 2023). Hurricane Hilary Discussion Number 15 (Report). Miami, Florida: National Hurricane Center. Archived from the original on August 20, 2023. Retrieved August 19, 2023.
^ "Este domingo, se prevén lluvias intensas en Baja California y muy fuertes en el norte de Baja California Sur, Quintana Roo y Yucatán". Conagua/SMN. August 20, 2023. Archived from the original on August 20, 2023. Retrieved August 20, 2023.
^ Cangialosi, John (August 20, 2023). Hurricane Hilary Intermediate Advisory Number 17A (Report). Miami, Florida: National Hurricane Center. Archived from the original on August 22, 2023. Retrieved August 20, 2023.
^ "Esta mañana, Hilary tocó tierra en inmediaciones San Fernando y San Andrés, municipio de San Quintín, Baja California" (PDF). Conagua/SMN (in Spanish). August 20, 2023. Archived (PDF) from the original on August 21, 2023. Retrieved August 20, 2023.
^ Cangialosi, John (August 20, 2023). Tropical Storm Hilary Intermediate Advisory Number 18A (Report). Miami, Florida: National Hurricane Center. Archived from the original on August 21, 2023. Retrieved August 20, 2023.
^ Reinhart, Brad (August 21, 2023). Post-tropical Cyclone Hilary Discussion Number 20 (Report). Miami, Florida: National Hurricane Center. Archived from the original on August 22, 2023. Retrieved August 21, 2023.
^ Berg, Robbie (August 17, 2023). "Tropical Storm Hilary Advisory Number 4". National Hurricane Center. Archived from the original on August 20, 2023. Retrieved August 17, 2023.
^ Pasch, Richard (August 17, 2023). "Hurricane Hilary Advisory Number 5". National Hurricane Center. Archived from the original on August 20, 2023. Retrieved August 18, 2023.
^ "HILARY Graphics Archive". National Hurricane Center. Archived from the original on August 17, 2023. Retrieved August 18, 2023.
^ "Hurricane Hilary threatens Mexico, California with 'catastrophic floods'". Reuters. August 18, 2023. Archived from the original on August 19, 2023. Retrieved August 19, 2023.
^ ^a ^b ^c "Powerful Hurricane Hilary heads for Mexico's Baja. Rare tropical storm watch issued for California". AP News. August 18, 2023. Archived from the original on August 19, 2023. Retrieved August 18, 2023.
^ ^a ^b Flores, Raúl (August 20, 2023). "Hilary cobró ya una vida; hoy, el impacto". Excélsior. Archived from the original on August 20, 2023. Retrieved August 20, 2023.
^ Martinez, Ignacio; Dazio, Stefanie (August 20, 2023). "Hurricane Hilary moves very near to Mexico's Baja coast packing deadly rainfall". AP News. Archived from the original on August 19, 2023. Retrieved August 20, 2023.
^ "Tropical Storm Hilary makes landfall along Mexico's Baja coast, carrying deluge to California". FOX 5 San Diego. August 20, 2023. Archived from the original on August 20, 2023. Retrieved August 20, 2023.
^ ^a ^b ^c Livingstone, Helen (August 21, 2023). "Tropical Storm Hilary brings flash-floods and tornado warnings to southern California – follow live". the Guardian. ISSN 0261-3077. Archived from the original on August 21, 2023. Retrieved August 21, 2023.
^ ^a ^b ^c Cabrera, Tony; Garcia, Sid; Hayes, Rob; Raines, Dallas; Powell, Amy (August 19, 2023). "Hurricane Hilary live updates: Southern California preparing for heavy rain, severe flooding". ABC7. Archived from the original on August 18, 2023. Retrieved August 19, 2023.
^ "Hurricane Hilary: Catastrophic, life-threatening flooding expected in Southwest US through Monday". Fox Weather. August 19, 2023. Archived from the original on August 19, 2023. Retrieved August 19, 2023.
^ Freedman, Andrew (August 18, 2023). "Category 4 Hurricane Hilary prompts first-ever tropical storm watch for California". Axios. Archived from the original on August 18, 2023. Retrieved August 18, 2023.
^ "Hurricane Hilary Advisory Number 11". www.nhc.noaa.gov. Archived from the original on August 19, 2023. Retrieved August 19, 2023.
^ Weather Prediction Center; National Weather Service; David Roth (Weather Prediction Center) (August 19, 2023). "WPC Day 2 Excessive Rainfall Outlook". National Oceanic and Atmospheric Administration. Archived from the original on August 19, 2023. Retrieved August 19, 2023.
^ "As of 12:15am CT, Sunset Limited Train 1, which is scheduled to depart New Orleans (NOL) on 8/19, is now canceled due to severe weather caused by Hurricane Hilary. For further assistance call or text 1-800-USA-RAIL" (Post on X). X. Archived from the original on August 20, 2023. Retrieved August 19, 2023.
^ "As of 5:12 am PT, Due to impending severe weather, Sunset Limited Train 2, which is scheduled to depart Los Angeles (LAX) on 8/20, is now canceled. For further assistance, please call/text 1-800-USA-RAIL". Twitter. Archived from the original on August 22, 2023. Retrieved August 21, 2023."SERVICE ALERT: As of 4:30 am CT, Texas Eagle Train 422, scheduled to depart Los Angeles (LAX) on 8/20, will originate in San Antonio (SAS). Please contact 1-800-USA-RAIL to make changes to your reservation". Twitter. Archived from the original on August 22, 2023. Retrieved August 21, 2023.
^ "As of 3:46 pm CT, Southwest Chief Train 3, which is scheduled to depart Chicago (CHI) on 8/19, will terminate in Albuquerque (ABQ) as a precaution due to a tropical storm warning for Hurricane Hilary. For traveling assistance, please call or text 1-800-USA-RAIL" (Post on X). X. Retrieved August 20, 2023."As of 2:46 pm PT, Coast Starlight Train 11, which departed Seattle (SEA) on 8/19, will terminate at Emeryville (EMY). For further assistance, please call/text 1-800-USA-RAIL" (Post on X). X. Retrieved August 20, 2023.
^ "As of 4:12pm PT, Coast Starlight Train 14 which originates out of LAX on 8/20 will now originate out of Emeryville (EMY) due to the impending storm. Customers traveling between LAX and EMY please call or text 1-800-USA-RAIL for further assistance". X. Archived from the original on August 20, 2023. Retrieved August 20, 2023."Southwest Chief Train 4 which departs LAX on 8/20 will now originate in Albuquerque (ALQ) due to an impending storm. Customers traveling between LAX and ABQ please call or text 1-800-USA-RAIL for further assistance". X. Retrieved August 20, 2023.
^ "ALERT: Trains 573 & 580 are canceled today, 8/19 due to equipment issues. Due to tropical storm Hilary, trains 562, 573, 580, & 591 are canceled tmrw, 8/20. Trains 794 & 761 canceled btwn LA & SD Aug 19-21. More cancelations possible. Info: http://pac.surf/trackadvisories #SurflinerAlert". Twitter. Archived from the original on August 21, 2023. Retrieved August 21, 2023. {{cite web}}: External link in |title= (help)"UPDATE: As of 5:40 pm PT, due to the impending storm, Train 784 will terminate in Solana Beach (SOL). For traveling assistance, please call or text 1-800-USA-RAIL. #SurflinerAlert". Twitter. Archived from the original on August 21, 2023. Retrieved August 21, 2023."ALERT: As of 10:27 am PT, Due to impending weather and track closures, Train 774 will now terminate at Irvine (IRV). For further assistance, please call/text 1-800-USA-RAIL. #PacificSurfliner". Twitter. Archived from the original on August 21, 2023. Retrieved August 21, 2023."ALERT: As of 10:30 am PT, Due to impending weather and track closures, Train 785 will now originate at Irvine (IRV). For further assistance, please call/text 1-800-USA-RAIL. #PacificSurfliner". Twitter. Archived from the original on August 22, 2023. Retrieved August 21, 2023."ALERT: As of 10:30 am PT, Due to impending weather and track closures, Train 785 will now originate at Irvine (IRV). For further assistance, please call/text 1-800-USA-RAIL. #PacificSurfliner". Twitter. Archived from the original on August 22, 2023. Retrieved August 21, 2023."ALERT: As of 12:33 pm PT, due to the impending storm, Train 784 will terminate in Los Angeles (LAX). For traveling assistance, please call or text 1-800-USA-RAIL. #SurflinerAlert". Twitter. Retrieved August 21, 2023."ALERT: As of 12:34 pm PT, due to the impending storm, Train 790 will terminate in Los Angeles (LAX). For traveling assistance, please call or text 1-800-USA-RAIL. #SurflinerAlert". Twitter. Retrieved August 21, 2023."ALERT: As of 12:35 pm PT, due to the impending storm, Train 586 is canceled in its entirety. For traveling assistance, please call or text 1-800-USA-RAIL. #SurflinerAlert". Twitter. Retrieved August 21, 2023."ALERT: As of 12:36 pm PT, due to the impending storm, Train 587 & Train 595 are canceled in their entirety. For traveling assistance, please call or text 1-800-USA-RAIL. #SurflinerAlert". Twitter. Retrieved August 22, 2023."ALERT: As of 12:37 pm PT, due to the impending storm, Train 581 is canceled in its entirety. For traveling assistance, please call or text 1-800-USA-RAIL. #SurflinerAlert". Twitter. Retrieved August 22, 2023."ALERT: As of 3:13 pm PT, Train 784 is stopped at Oxnard (OXN) due to severe weather conditions. Updates to follow. #SurflinerAlert". Twitter. Retrieved August 22, 2023."ALERT: As of 4:25 pm PT, Train 794 is stopped at San Luis Obispo (SLO) due to severe weather conditions. Updates to follow. #SurflinerAlert". Twitter. Retrieved August 22, 2023."ALERT: As of 4:26 pm PT, Train 790 is stopped at Goleta (GTA) due to severe weather conditions. Updates to follow. #SurflinerAlert". Twitter. Retrieved August 22, 2023."ALERT: As of 4:27 pm PT, Train 777 is stopped at Los Angeles (LAX) due to severe weather conditions. Updates to follow. #SurflinerAlert". Twitter. Retrieved August 22, 2023."UPDATE: As of 5:21 pm PT, Train 784 remains stopped at Oxnard (OXN) due to severe weather conditions. Lengthy delays are expected. Updates to follow as more information becomes available. #SurflinerAlert". Twitter. Retrieved August 22, 2023."UPDATE: As of 5:41 pm PT, due to severe weather conditions, Train 784 will terminate in Oxnard (OXN). For traveling assistance, please call or text 1-800-USA-RAIL. #SurflinerAlert". Twitter. Retrieved August 22, 2023."UPDATE: As of 5:42 pm PT, due to severe weather conditions, Train 777 will terminate in Los Angeles (LAX). For traveling assistance, please call or text 1-800-USA-RAIL. #SurflinerAlert". Twitter. Retrieved August 22, 2023."UPDATE: As of 5:44 pm PT, due to severe weather conditions, Trains 785 & 790 & 794 are canceled in their entirety. For traveling assistance, please call or text 1-800-USA-RAIL. #SurflinerAlert". Twitter. Retrieved August 22, 2023."UPDATE/CORRECTION: As of 6:25 pm PT, due to severe weather conditions, Train 785 will terminate in Los Angeles (LAX). For traveling assistance, please call or text 1-800-USA-RAIL. #SurflinerAlert". Twitter. Retrieved August 22, 2023."UPDATE: Pacific Surfliner train service has resumed following cancellations over the weekend due to Tropical Storm Hilary. As of 9am on Aug. 21, trains are operating between San Diego and San Luis Obispo. #SurflinerAlert". Twitter. Archived from the original on August 22, 2023. Retrieved August 22, 2023.
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^ ^a ^b "Catalina residents and visitors urged to leave the island - CBS Los Angeles". www.cbsnews.com. August 19, 2023. Archived from the original on August 19, 2023. Retrieved August 19, 2023.
^ "Hurricane Hilary: Evacuation orders issued for areas San Bernardino County; warnings issued for OC - CBS Los Angeles". www.cbsnews.com. August 20, 2023. Archived from the original on August 20, 2023. Retrieved August 20, 2023.
^ Now, Spaceflight. "Starlink satellites soar from Florida, west coast launch slips to Monday due to hurricane – Spaceflight Now". Archived from the original on August 18, 2023. Retrieved August 18, 2023.
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^ "DoorDash temporarily suspends operations in Southern California communities". KTLA. August 20, 2023. Archived from the original on August 21, 2023. Retrieved August 21, 2023.
^ "MLB reschedules 3 games due to Hurricane Hilary". The Athletic. August 18, 2023. Archived from the original on August 18, 2023. Retrieved August 18, 2023.
^ "MLB and MLS move Los Angeles games with hurricane approaching Southern California". Yahoo Sports. August 18, 2023. Archived from the original on August 19, 2023. Retrieved August 19, 2023.
^ "Del Mar Cancels Racing Aug. 20 Due to Hurricane Hilary No make-up day is planned but the track will card some canceled races in the future". BloodHorse.com. Del Mar. August 19, 2023. Archived from the original on August 21, 2023. Retrieved August 21, 2023.
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^ "Hurricane Hilary threatens 'catastrophic and life-threatening' flooding in Mexico and California". AP News. August 19, 2023. Archived from the original on August 19, 2023. Retrieved August 19, 2023.
^ "Hurricane Hilary heads for Mexico and California". BBC News. August 19, 2023. Archived from the original on August 19, 2023. Retrieved August 19, 2023.
^ "Biden says FEMA ready to respond to rain and flooding in U.S. southwest". Reuters. August 18, 2023. Archived from the original on August 19, 2023. Retrieved August 19, 2023.
^ McCandless, C. C. (August 19, 2023). "Gov. Lombardo activates National Guard ahead of Hurricane Hilary". FOX 5 Las Vegas. Archived from the original on August 19, 2023. Retrieved August 19, 2023.
^ ^a ^b Emerson, Elaine (August 20, 2023). "Gov. Lombardo, Clark and Nye counties declare state of emergency ahead of Tropical Storm Hilary". FOX 5 Las Vegas. Archived from the original on August 21, 2023. Retrieved August 21, 2023.
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^ "The Cal Guard has strategically pre-positioned resources throughout Southern California as part of the statewide effort to prepare for #HurricaneHilary. @USNationalGuard" (Post on X). X. California National Guard. August 19, 2023. Archived from the original on August 20, 2023. Retrieved August 20, 2023.
^ ^a ^b ^c "Hurricane Hilary live updates: Heavy rain, flooding cause I-10, schools to close". The Desert Sun. Archived from the original on August 21, 2023. Retrieved August 21, 2023.
^ "Tropical storm Hilary: Yucca Valley and 29 Palms open emergency shelters". Hi Desert Star. August 20, 2023. Archived from the original on August 21, 2023. Retrieved August 21, 2023.
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External links

The National Hurricane Center's advisory archive on Hurricane Hilary

[4_deaths-1] Ricardo Díaz Canseco (August 19, 2023). "Huracán Hilary: así fue el rescate de familias arrastradas por la corriente que dejó la lluvia torrencial" (in Spanish). Infobae. Archived from the original on August 21, 2023. Retrieved August 21, 2023. … 4 pérdidas ocasionadas por el fenómeno natural de categoría 1.

[2] Oberholtz, Chris (August 21, 2023). "When was the last time a hurricane or tropical storm hit California?". Fox Weather. Retrieved August 21, 2023.

[3] Shapiro, Emily; Golembo, Max; Peck, Daniel; Pereira, Ivan (August 18, 2023). "Hilary track and updates: 1st ever tropical storm watch issued in Southern California". ABC News. Archived from the original on August 20, 2023. Retrieved August 21, 2023.

[4] Masters, Jeff; Henson, Bob (August 18, 2023). "California's first Tropical Storm Watch on record as Hurricane Hilary heads for Baja". Haven, Connecticut: Yale Climate Connections. Archived from the original on August 19, 2023. Retrieved August 20, 2023.

[5] Wulfeck, Andrew (August 18, 2023). "Hurricane Hilary could dump over year's-worth of rainfall in parts of Desert Southwest". FOX Weather. Archived from the original on August 19, 2023. Retrieved August 20, 2023.

[6] Freedman, Andrew (August 18, 2023). "Category 4 Hurricane Hilary prompts first-ever tropical storm watch for California". Axios. Archived from the original on August 19, 2023. Retrieved August 20, 2023.

[7] Cangialosi, John (August 12, 2023). "Tropical Weather Outlook". Miami, Florida: National Hurricane Center. Archived from the original on August 14, 2023. Retrieved August 17, 2023.

[8] Zelinsky, David (August 14, 2023). "Tropical Weather Outlook". Miami, Florida: National Hurricane Center. Archived from the original on August 15, 2023. Retrieved August 17, 2023.

[9] Bucci, Lisa; Camposano, Samantha (August 16, 2023). Tropical Storm Hilary Discussion Number 1 (Report). Miami, Florida: National Hurricane Center. Archived from the original on August 17, 2023. Retrieved August 17, 2023.

[10] Berg, Robbie (August 17, 2023). Tropical Storm Hilary Discussion Number 4 (Report). Miami, Florida: National Hurricane Center. Archived from the original on August 18, 2023. Retrieved August 17, 2023.

[11] Pasch, Richard (August 17, 2023). Hurricane Hilary Intermediate Advisory Number 4A (Report). Miami, Florida: National Hurricane Center. Archived from the original on August 17, 2023. Retrieved August 17, 2023.

[Discus_005-12] Pasch, Richard (August 17, 2023). Hurricane Hilary Discussion Number 5 (Report). Miami, Florida: National Hurricane Center. Archived from the original on August 18, 2023. Retrieved August 18, 2023.

[13] Berg, Robbie (August 18, 2023). Hurricane Hilary Intermediate Advisory Number 7A (Report). Miami, Florida: National Hurricane Center. Retrieved August 18, 2023.

[Discus_009-14] Cangialosi, John (August 18, 2023). Hurricane Hilary Discussion Number 9 (Report). Miami, Florida: National Hurricane Center. Archived from the original on August 20, 2023. Retrieved August 18, 2023.

[EOTS_1708-15] Masters, Jeff; Henson, Bob (August 17, 2023). "Rapidly intensifying Hurricane Hilary heads toward Southern California]". Haven, Connecticut: Yale Climate Connections. Archived from the original on August 17, 2023. Retrieved August 18, 2023.

[16] Cangialosi, John (August 19, 2023). Hurricane Hilary Discussion Number 13 (Report). Miami, Florida: National Hurricane Center. Archived from the original on August 20, 2023. Retrieved August 19, 2023.

[17] Brown, Daniel (August 19, 2023). Hurricane Hilary Discussion Number 15 (Report). Miami, Florida: National Hurricane Center. Archived from the original on August 20, 2023. Retrieved August 19, 2023.

[18] "Este domingo, se prevén lluvias intensas en Baja California y muy fuertes en el norte de Baja California Sur, Quintana Roo y Yucatán". Conagua/SMN. August 20, 2023. Archived from the original on August 20, 2023. Retrieved August 20, 2023.

[19] Cangialosi, John (August 20, 2023). Hurricane Hilary Intermediate Advisory Number 17A (Report). Miami, Florida: National Hurricane Center. Archived from the original on August 22, 2023. Retrieved August 20, 2023.

[20] "Esta mañana, Hilary tocó tierra en inmediaciones San Fernando y San Andrés, municipio de San Quintín, Baja California" (PDF). Conagua/SMN (in Spanish). August 20, 2023. Archived (PDF) from the original on August 21, 2023. Retrieved August 20, 2023.

[21] Cangialosi, John (August 20, 2023). Tropical Storm Hilary Intermediate Advisory Number 18A (Report). Miami, Florida: National Hurricane Center. Archived from the original on August 21, 2023. Retrieved August 20, 2023.

[22] Reinhart, Brad (August 21, 2023). Post-tropical Cyclone Hilary Discussion Number 20 (Report). Miami, Florida: National Hurricane Center. Archived from the original on August 22, 2023. Retrieved August 21, 2023.

[23] Berg, Robbie (August 17, 2023). "Tropical Storm Hilary Advisory Number 4". National Hurricane Center. Archived from the original on August 20, 2023. Retrieved August 17, 2023.

[24] Pasch, Richard (August 17, 2023). "Hurricane Hilary Advisory Number 5". National Hurricane Center. Archived from the original on August 20, 2023. Retrieved August 18, 2023.

[graphics_archive-25] "HILARY Graphics Archive". National Hurricane Center. Archived from the original on August 17, 2023. Retrieved August 18, 2023.

[26] "Hurricane Hilary threatens Mexico, California with 'catastrophic floods'". Reuters. August 18, 2023. Archived from the original on August 19, 2023. Retrieved August 19, 2023.

[:0-27] "Powerful Hurricane Hilary heads for Mexico's Baja. Rare tropical storm watch issued for California". AP News. August 18, 2023. Archived from the original on August 19, 2023. Retrieved August 18, 2023.

[Excélsior1604243-28] Flores, Raúl (August 20, 2023). "Hilary cobró ya una vida; hoy, el impacto". Excélsior. Archived from the original on August 20, 2023. Retrieved August 20, 2023.

[29] Martinez, Ignacio; Dazio, Stefanie (August 20, 2023). "Hurricane Hilary moves very near to Mexico's Baja coast packing deadly rainfall". AP News. Archived from the original on August 19, 2023. Retrieved August 20, 2023.

[30] "Tropical Storm Hilary makes landfall along Mexico's Baja coast, carrying deluge to California". FOX 5 San Diego. August 20, 2023. Archived from the original on August 20, 2023. Retrieved August 20, 2023.

[:3-31] Livingstone, Helen (August 21, 2023). "Tropical Storm Hilary brings flash-floods and tornado warnings to southern California – follow live". the Guardian. ISSN 0261-3077. Archived from the original on August 21, 2023. Retrieved August 21, 2023.

[abc7-32] Cabrera, Tony; Garcia, Sid; Hayes, Rob; Raines, Dallas; Powell, Amy (August 19, 2023). "Hurricane Hilary live updates: Southern California preparing for heavy rain, severe flooding". ABC7. Archived from the original on August 18, 2023. Retrieved August 19, 2023.

[33] "Hurricane Hilary: Catastrophic, life-threatening flooding expected in Southwest US through Monday". Fox Weather. August 19, 2023. Archived from the original on August 19, 2023. Retrieved August 19, 2023.

[34] Freedman, Andrew (August 18, 2023). "Category 4 Hurricane Hilary prompts first-ever tropical storm watch for California". Axios. Archived from the original on August 18, 2023. Retrieved August 18, 2023.

[35] "Hurricane Hilary Advisory Number 11". www.nhc.noaa.gov. Archived from the original on August 19, 2023. Retrieved August 19, 2023.

[WPC_Day_2_High_Risk-36] Weather Prediction Center; National Weather Service; David Roth (Weather Prediction Center) (August 19, 2023). "WPC Day 2 Excessive Rainfall Outlook". National Oceanic and Atmospheric Administration. Archived from the original on August 19, 2023. Retrieved August 19, 2023.

[37] "As of 12:15am CT, Sunset Limited Train 1, which is scheduled to depart New Orleans (NOL) on 8/19, is now canceled due to severe weather caused by Hurricane Hilary. For further assistance call or text 1-800-USA-RAIL" (Post on X). X. Archived from the original on August 20, 2023. Retrieved August 19, 2023.

[38] "As of 5:12 am PT, Due to impending severe weather, Sunset Limited Train 2, which is scheduled to depart Los Angeles (LAX) on 8/20, is now canceled. For further assistance, please call/text 1-800-USA-RAIL". Twitter. Archived from the original on August 22, 2023. Retrieved August 21, 2023."SERVICE ALERT: As of 4:30 am CT, Texas Eagle Train 422, scheduled to depart Los Angeles (LAX) on 8/20, will originate in San Antonio (SAS). Please contact 1-800-USA-RAIL to make changes to your reservation". Twitter. Archived from the original on August 22, 2023. Retrieved August 21, 2023.

[39] "As of 3:46 pm CT, Southwest Chief Train 3, which is scheduled to depart Chicago (CHI) on 8/19, will terminate in Albuquerque (ABQ) as a precaution due to a tropical storm warning for Hurricane Hilary. For traveling assistance, please call or text 1-800-USA-RAIL" (Post on X). X. Retrieved August 20, 2023."As of 2:46 pm PT, Coast Starlight Train 11, which departed Seattle (SEA) on 8/19, will terminate at Emeryville (EMY). For further assistance, please call/text 1-800-USA-RAIL" (Post on X). X. Retrieved August 20, 2023.

[40] "As of 4:12pm PT, Coast Starlight Train 14 which originates out of LAX on 8/20 will now originate out of Emeryville (EMY) due to the impending storm. Customers traveling between LAX and EMY please call or text 1-800-USA-RAIL for further assistance". X. Archived from the original on August 20, 2023. Retrieved August 20, 2023."Southwest Chief Train 4 which departs LAX on 8/20 will now originate in Albuquerque (ALQ) due to an impending storm. Customers traveling between LAX and ABQ please call or text 1-800-USA-RAIL for further assistance". X. Retrieved August 20, 2023.

[41] "ALERT: Trains 573 & 580 are canceled today, 8/19 due to equipment issues. Due to tropical storm Hilary, trains 562, 573, 580, & 591 are canceled tmrw, 8/20. Trains 794 & 761 canceled btwn LA & SD Aug 19-21. More cancelations possible. Info: http://pac.surf/trackadvisories #SurflinerAlert". Twitter. Archived from the original on August 21, 2023. Retrieved August 21, 2023. {{cite web}}: External link in |title= (help)"UPDATE: As of 5:40 pm PT, due to the impending storm, Train 784 will terminate in Solana Beach (SOL). For traveling assistance, please call or text 1-800-USA-RAIL. #SurflinerAlert". Twitter. Archived from the original on August 21, 2023. Retrieved August 21, 2023."ALERT: As of 10:27 am PT, Due to impending weather and track closures, Train 774 will now terminate at Irvine (IRV). For further assistance, please call/text 1-800-USA-RAIL. #PacificSurfliner". Twitter. Archived from the original on August 21, 2023. Retrieved August 21, 2023."ALERT: As of 10:30 am PT, Due to impending weather and track closures, Train 785 will now originate at Irvine (IRV). For further assistance, please call/text 1-800-USA-RAIL. #PacificSurfliner". Twitter. Archived from the original on August 22, 2023. Retrieved August 21, 2023."ALERT: As of 10:30 am PT, Due to impending weather and track closures, Train 785 will now originate at Irvine (IRV). For further assistance, please call/text 1-800-USA-RAIL. #PacificSurfliner". Twitter. Archived from the original on August 22, 2023. Retrieved August 21, 2023."ALERT: As of 12:33 pm PT, due to the impending storm, Train 784 will terminate in Los Angeles (LAX). For traveling assistance, please call or text 1-800-USA-RAIL. #SurflinerAlert". Twitter. Retrieved August 21, 2023."ALERT: As of 12:34 pm PT, due to the impending storm, Train 790 will terminate in Los Angeles (LAX). For traveling assistance, please call or text 1-800-USA-RAIL. #SurflinerAlert". Twitter. Retrieved August 21, 2023."ALERT: As of 12:35 pm PT, due to the impending storm, Train 586 is canceled in its entirety. For traveling assistance, please call or text 1-800-USA-RAIL. #SurflinerAlert". Twitter. Retrieved August 21, 2023."ALERT: As of 12:36 pm PT, due to the impending storm, Train 587 & Train 595 are canceled in their entirety. For traveling assistance, please call or text 1-800-USA-RAIL. #SurflinerAlert". Twitter. Retrieved August 22, 2023."ALERT: As of 12:37 pm PT, due to the impending storm, Train 581 is canceled in its entirety. For traveling assistance, please call or text 1-800-USA-RAIL. #SurflinerAlert". Twitter. Retrieved August 22, 2023."ALERT: As of 3:13 pm PT, Train 784 is stopped at Oxnard (OXN) due to severe weather conditions. Updates to follow. #SurflinerAlert". Twitter. Retrieved August 22, 2023."ALERT: As of 4:25 pm PT, Train 794 is stopped at San Luis Obispo (SLO) due to severe weather conditions. Updates to follow. #SurflinerAlert". Twitter. Retrieved August 22, 2023."ALERT: As of 4:26 pm PT, Train 790 is stopped at Goleta (GTA) due to severe weather conditions. Updates to follow. #SurflinerAlert". Twitter. Retrieved August 22, 2023."ALERT: As of 4:27 pm PT, Train 777 is stopped at Los Angeles (LAX) due to severe weather conditions. Updates to follow. #SurflinerAlert". Twitter. Retrieved August 22, 2023."UPDATE: As of 5:21 pm PT, Train 784 remains stopped at Oxnard (OXN) due to severe weather conditions. Lengthy delays are expected. Updates to follow as more information becomes available. #SurflinerAlert". Twitter. Retrieved August 22, 2023."UPDATE: As of 5:41 pm PT, due to severe weather conditions, Train 784 will terminate in Oxnard (OXN). For traveling assistance, please call or text 1-800-USA-RAIL. #SurflinerAlert". Twitter. Retrieved August 22, 2023."UPDATE: As of 5:42 pm PT, due to severe weather conditions, Train 777 will terminate in Los Angeles (LAX). For traveling assistance, please call or text 1-800-USA-RAIL. #SurflinerAlert". Twitter. Retrieved August 22, 2023."UPDATE: As of 5:44 pm PT, due to severe weather conditions, Trains 785 & 790 & 794 are canceled in their entirety. For traveling assistance, please call or text 1-800-USA-RAIL. #SurflinerAlert". Twitter. Retrieved August 22, 2023."UPDATE/CORRECTION: As of 6:25 pm PT, due to severe weather conditions, Train 785 will terminate in Los Angeles (LAX). For traveling assistance, please call or text 1-800-USA-RAIL. #SurflinerAlert". Twitter. Retrieved August 22, 2023."UPDATE: Pacific Surfliner train service has resumed following cancellations over the weekend due to Tropical Storm Hilary. As of 9am on Aug. 21, trains are operating between San Diego and San Luis Obispo. #SurflinerAlert". Twitter. Archived from the original on August 22, 2023. Retrieved August 22, 2023.

[42] "Parts of Joshua Tree National Park to close due to Hurricane Hilary". The Desert Sun. Archived from the original on August 18, 2023. Retrieved August 18, 2023.

[43] "Lake Mead closing park as Hurricane Hilary moves closer". Las Vegas Review-Journal. August 19, 2023. Archived from the original on August 20, 2023. Retrieved August 20, 2023.

[44] "Death Valley National Park braces for heavy rains, flooding from Hurricane Hilary". KSNV. August 19, 2023. Archived from the original on August 20, 2023. Retrieved August 20, 2023.

[:1-45] "Catalina residents and visitors urged to leave the island - CBS Los Angeles". www.cbsnews.com. August 19, 2023. Archived from the original on August 19, 2023. Retrieved August 19, 2023.

[46] "Hurricane Hilary: Evacuation orders issued for areas San Bernardino County; warnings issued for OC - CBS Los Angeles". www.cbsnews.com. August 20, 2023. Archived from the original on August 20, 2023. Retrieved August 20, 2023.

[47] Now, Spaceflight. "Starlink satellites soar from Florida, west coast launch slips to Monday due to hurricane – Spaceflight Now". Archived from the original on August 18, 2023. Retrieved August 18, 2023.

[48] Yablonski, Steven (August 16, 2023). "Hurricane Hilary now major Category 4 hurricane with 'significant' impacts expected in California, Southwest". FOX Weather. Archived from the original on August 18, 2023. Retrieved August 18, 2023.

[49] "City of San Diego opens Emergency Operations Center ahead of Hilary". FOX 5 San Diego. August 18, 2023. Archived from the original on August 18, 2023. Retrieved August 18, 2023.

[50] "Search and Rescue crews on alert ahead of Hurricane Hilary's arrival". KTLA. August 18, 2023. Archived from the original on August 19, 2023. Retrieved August 19, 2023.

[51] "Southern California Prepares for Hurricane Hilary". Los Angeles Sentinel. August 18, 2023. Archived from the original on August 19, 2023. Retrieved August 19, 2023.

[52] "Hurricane Hilary live updates: California residents warned to brace for 'rare and dangerous' storm as Hilary barrels North". NBC News. August 19, 2023. Archived from the original on August 19, 2023. Retrieved August 19, 2023.

[53] "DoorDash temporarily suspends operations in Southern California communities". KTLA. August 20, 2023. Archived from the original on August 21, 2023. Retrieved August 21, 2023.

[MLBreschedules-54] "MLB reschedules 3 games due to Hurricane Hilary". The Athletic. August 18, 2023. Archived from the original on August 18, 2023. Retrieved August 18, 2023.

[55] "MLB and MLS move Los Angeles games with hurricane approaching Southern California". Yahoo Sports. August 18, 2023. Archived from the original on August 19, 2023. Retrieved August 19, 2023.

[56] "Del Mar Cancels Racing Aug. 20 Due to Hurricane Hilary No make-up day is planned but the track will card some canceled races in the future". BloodHorse.com. Del Mar. August 19, 2023. Archived from the original on August 21, 2023. Retrieved August 21, 2023.

[57] Czar, Michael (August 20, 2023). "VALORANT Champions 2023 goes crowdless amidst hurricane concerns in Los Angeles". Dot Esports. Archived from the original on August 20, 2023. Retrieved August 20, 2023.

[58] Avitabile, Rafael; Feather • •, Bill (August 19, 2023). "USS Theodore Roosevelt, other Navy ships leaving California bases to dodge Hurricane Hilary". NBC 7 San Diego. Archived from the original on August 19, 2023. Retrieved August 19, 2023.

[59] "Hurricane Hilary threatens 'catastrophic and life-threatening' flooding in Mexico and California". AP News. August 19, 2023. Archived from the original on August 19, 2023. Retrieved August 19, 2023.

[60] "Hurricane Hilary heads for Mexico and California". BBC News. August 19, 2023. Archived from the original on August 19, 2023. Retrieved August 19, 2023.

[61] "Biden says FEMA ready to respond to rain and flooding in U.S. southwest". Reuters. August 18, 2023. Archived from the original on August 19, 2023. Retrieved August 19, 2023.

[62] McCandless, C. C. (August 19, 2023). "Gov. Lombardo activates National Guard ahead of Hurricane Hilary". FOX 5 Las Vegas. Archived from the original on August 19, 2023. Retrieved August 19, 2023.

[:6-63] Emerson, Elaine (August 20, 2023). "Gov. Lombardo, Clark and Nye counties declare state of emergency ahead of Tropical Storm Hilary". FOX 5 Las Vegas. Archived from the original on August 21, 2023. Retrieved August 21, 2023.

[64] Staff, News 3 (August 20, 2023). "State of emergency declared for Clark County as Hurricane Hilary approaches". KSNV. Archived from the original on August 21, 2023. Retrieved August 21, 2023.{{cite web}}: CS1 maint: numeric names: authors list (link)

[65] "Governor Newsom Proclaims State of Emergency As Hurricane Hilary Approaches California". California Governor. August 20, 2023. Archived from the original on August 20, 2023. Retrieved August 20, 2023.

[66] "Gov. Newsom declares state of emergency ahead of Hurricane Hilary - CBS Los Angeles". www.cbsnews.com. August 19, 2023. Archived from the original on August 20, 2023. Retrieved August 20, 2023.

[67] "The Cal Guard has strategically pre-positioned resources throughout Southern California as part of the statewide effort to prepare for #HurricaneHilary. @USNationalGuard" (Post on X). X. California National Guard. August 19, 2023. Archived from the original on August 20, 2023. Retrieved August 20, 2023.

[:8-68] "Hurricane Hilary live updates: Heavy rain, flooding cause I-10, schools to close". The Desert Sun. Archived from the original on August 21, 2023. Retrieved August 21, 2023.

[69] "Tropical storm Hilary: Yucca Valley and 29 Palms open emergency shelters". Hi Desert Star. August 20, 2023. Archived from the original on August 21, 2023. Retrieved August 21, 2023.

[70] Roe, Mike (August 18, 2023). "WGA and SAG-AFTRA Cancel Monday Strike Pickets Ahead of Tropical Storm Hitting Los Angeles". The Wrap. Archived from the original on August 19, 2023. Retrieved August 20, 2023.

[71] Staff, LA Blade Digital (August 19, 2023). "LA County Parks to close August 20 & 21 due to Hurricane Hilary". Los Angeles Blade: LGBTQ News, Rights, Politics, Entertainment. Archived from the original on August 20, 2023. Retrieved August 20, 2023.

[72] "Disneyland closing early due to Hurricane Hilary - CBS Los Angeles". www.cbsnews.com. August 19, 2023. Archived from the original on August 20, 2023. Retrieved August 20, 2023.

[73] Smith, Danielle (August 20, 2023). "Tropical storm Hilary: What's closed and canceled in San Diego due to storm". NBC 7 San Diego. Archived from the original on August 20, 2023. Retrieved August 20, 2023.

[:5-74] "Tropical Storm Hilary live updates: System now approaching SoCal with flash flood warning in effect". ABC7 Los Angeles. August 20, 2023. Archived from the original on August 20, 2023. Retrieved August 20, 2023.

[75] Yang, Angela (August 20, 2023). "Hilary live updates: Tropical Storm Hilary makes landfall in northern Baja California; brings 'life-threatening' rain". NBC News. Archived from the original on August 20, 2023. Retrieved August 20, 2023.

[:7-76] "Cal State Fullerton, some OC schools closed Monday due to Tropical Storm Hilary". Orange County Register. August 21, 2023. Archived from the original on August 21, 2023. Retrieved August 21, 2023.

[:4-77] "Airlines issue waivers as Tropical Storm Hilary nears Southern California". USA TODAY. Archived from the original on August 20, 2023. Retrieved August 20, 2023.

[78] "LAUSD cancels all classes on Monday due to Tropical Storm Hilary". CBS News. August 20, 2023. Archived from the original on August 21, 2023. Retrieved August 20, 2023.

[79] Lloyd • •, Jonathan (August 18, 2023). "LAUSD schools will close due to Tropical Storm Hilary. See live updates". NBC Los Angeles. Archived from the original on August 20, 2023. Retrieved August 20, 2023.

[August_20_SPC_Day_1-80] Chris Broyles; Harry Weinman (August 20, 2023). "Aug 20, 2023 0600 UTC Day 1 Convective Outlook". Storm Prediction Center. Archived from the original on August 20, 2023. Retrieved August 20, 2023.

[81] Roth, David (August 20, 2023). "WPC Day 1 Excessive Rainfall Outlook". Weather Prediction Center. National Weather Service. Archived from the original on August 20, 2023. Retrieved August 20, 2023.

[82] Richard Bann (August 20, 2023). "WPC Day 1 Excessive Rainfall Outlook (16Z)". Weather Prediction Center. Archived from the original on August 20, 2023. Retrieved August 20, 2023.

[83] "Cierran puertos del Pacífico por la tormenta Hilary". La Jornada. August 17, 2023. Archived from the original on August 19, 2023. Retrieved August 19, 2023.

[84] "El huracán Hilary se dirige hacia la Península de Baja California; se hace un llamado a seguir recomendaciones de protección". Secretaría de Marina. August 17, 2023. Archived from the original on August 20, 2023. Retrieved August 19, 2023.

[1_death-85] Ricardo Díaz Canseco; Zurisaddai González (August 19, 2023). "Muere persona en Sinaloa por afectaciones indirectas de huracán Hilary" (in Spanish). Infobae. Archived from the original on August 19, 2023. Retrieved August 19, 2023.

[86] "Huracán Hilary deja un muerto en Sinaloa; ahora va a Baja California". El Universal. August 19, 2023. Archived from the original on August 19, 2023. Retrieved August 19, 2023.

[:2-87] Roeloffs, Mary Whitfill. "Tropical Storm Hilary: Flash Flood Warning Issued For Los Angeles—And Heavy Rain Threatens Death Valley". Forbes. Archived from the original on August 20, 2023. Retrieved August 20, 2023.

[88] Bell, Michael (August 21, 2023). "Death Valley sees possible new record of single-day rainfall". Fox 5 Las Vegas.

[89] "Tropical Storm Hilary: After Landfall, 'Brunt of the Storm Is Coming' to California". The New York Times. August 20, 2023. Archived from the original on August 20, 2023. Retrieved August 20, 2023.

[90] "EB I-8 at In-Ko-Pah, all lanes closed due to rock slide unknown estimated time of opening" (X). California Department of Transportation San Diego. Retrieved August 20, 2023.

[:9-91] "Tropical Storm Hilary brings major flooding to Palm Springs and Coachella Valley". ABC7 Los Angeles. August 21, 2023. Archived from the original on August 21, 2023. Retrieved August 21, 2023.

[92] Marek, Grant (August 20, 2023). "Disneyland evacuates restaurants, rides, Pixar Pier amid Tropical Storm Hilary, earthquake". SFGate. Archived from the original on August 21, 2023. Retrieved August 21, 2023.

[93] "Tornado warning issued for Alpine, Descanso as Hilary moves". FOX 5 San Diego. August 20, 2023. Archived from the original on August 21, 2023. Retrieved August 21, 2023.

[94] "Hilary live updates: California officials warn 'worst of the storm has yet to come' as Hilary makes landfall". NBC News. August 20, 2023. Archived from the original on August 21, 2023. Retrieved August 20, 2023.

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@@ Line 59: / Line 59: @@
 Ongoing [[2023 Hollywood labor disputes|strikes]] by the [[Writers Guild of America]] and [[SAG-AFTRA]] were cancelled for Monday in Los Angeles in preparation for Hilary.<ref>{{cite news |last1=Roe |first1=Mike |title=WGA and SAG-AFTRA Cancel Monday Strike Pickets Ahead of Tropical Storm Hitting Los Angeles |url=https://www.thewrap.com/wga-and-sag-aftra-cancel-monday-strike-pickets-hurricane-hilary-tropical-storm/ |access-date=August 20, 2023 |publisher=The Wrap |date=August 18, 2023 |archive-date=August 19, 2023 |archive-url=https://web.archive.org/web/20230819152343/https://www.thewrap.com/wga-and-sag-aftra-cancel-monday-strike-pickets-hurricane-hilary-tropical-storm/ |url-status=live }}</ref> A concert at the [[Hollywood Bowl]] was postponed, and all [[Los Angeles County Department of Parks and Recreation]] areas were closed.<ref>{{Cite web |last=Staff |first=LA Blade Digital |date=2023-08-19 |title=LA County Parks to close August 20 & 21 due to Hurricane Hilary |url=https://www.losangelesblade.com/2023/08/19/la-county-parks-to-close-august-20-21-due-to-hurricane-hilary/ |access-date=2023-08-20 |website=Los Angeles Blade: LGBTQ News, Rights, Politics, Entertainment |language=en-US |archive-date=August 20, 2023 |archive-url=https://web.archive.org/web/20230820185042/https://www.losangelesblade.com/2023/08/19/la-county-parks-to-close-august-20-21-due-to-hurricane-hilary/ |url-status=live }}</ref> [[Disneyland]] and [[Disney California Adventure]] were closed early. [[Legoland California]], [[SeaWorld San Diego]] and [[San Diego Zoo]] were closed on August 20.<ref>{{Cite web |date=2023-08-19 |title=Disneyland closing early due to Hurricane Hilary - CBS Los Angeles |url=https://www.cbsnews.com/losangeles/news/disneyland-closing-early-due-to-hurricane-hilary/ |access-date=2023-08-20 |website=www.cbsnews.com |language=en-US |archive-date=August 20, 2023 |archive-url=https://web.archive.org/web/20230820185041/https://www.cbsnews.com/losangeles/news/disneyland-closing-early-due-to-hurricane-hilary/ |url-status=live }}</ref><ref>{{Cite web |last=Smith |first=Danielle |date=2023-08-20 |title=Tropical storm Hilary: What's closed and canceled in San Diego due to storm |url=https://www.nbcsandiego.com/news/local/hurricane-hilary-whats-closed-and-canceled-in-san-diego-due-to-the-storm/3288444/ |access-date=2023-08-20 |website=NBC 7 San Diego |language=en-US |archive-date=August 20, 2023 |archive-url=https://web.archive.org/web/20230820182224/https://www.nbcsandiego.com/news/local/hurricane-hilary-whats-closed-and-canceled-in-san-diego-due-to-the-storm/3288444/ |url-status=live }}</ref> The [[Los Angeles Zoo]], [[Six Flags Magic Mountain]], and [[Knott's Berry Farm]] were also closed.<ref name=":5">{{Cite web |date=2023-08-20 |title=Tropical Storm Hilary live updates: System now approaching SoCal with flash flood warning in effect |url=https://abc7.com/hurricane-hilary-tracker-live-now-update-radar-evacuation-zones/13676666/ |access-date=2023-08-20 |website=ABC7 Los Angeles |language=en |archive-date=August 20, 2023 |archive-url=https://web.archive.org/web/20230820232954/https://abc7.com/hurricane-hilary-tracker-live-now-update-radar-evacuation-zones/13676666/ |url-status=live }}</ref> [[California State University, Los Angeles]] and [[California State University, Fullerton]] canceled classes on August 21.<ref>{{Cite web |last=Yang |first=Angela |date=2023-08-20 |title=Hilary live updates: Tropical Storm Hilary makes landfall in northern Baja California; brings 'life-threatening' rain |url=https://www.nbcnews.com/news/weather/live-blog/hurricane-hilary-live-updates-storm-warning-flooding-california-rcna100823 |access-date=2023-08-20 |website=NBC News |language=en |archive-date=August 20, 2023 |archive-url=https://web.archive.org/web/20230820195319/https://www.nbcnews.com/news/weather/live-blog/hurricane-hilary-live-updates-storm-warning-flooding-california-rcna100823 |url-status=live }}</ref><ref name=":7">{{Cite web |date=2023-08-21 |title=Cal State Fullerton, some OC schools closed Monday due to Tropical Storm Hilary |url=https://www.ocregister.com/2023/08/20/cal-state-fullerton-some-oc-high-schools-closed-monday-due-to-tropical-storm-hilary/ |access-date=2023-08-21 |website=Orange County Register |language=en-US |archive-date=August 21, 2023 |archive-url=https://web.archive.org/web/20230821044458/https://www.ocregister.com/2023/08/20/cal-state-fullerton-some-oc-high-schools-closed-monday-due-to-tropical-storm-hilary/ |url-status=live }}</ref> All campuses in the [[Bear Valley Unified School District]] were closed on August 21.<ref name=":5" /> Numerous airlines offered travel waivers to airports in southern California.<ref name=":4">{{Cite web |title=Airlines issue waivers as Tropical Storm Hilary nears Southern California |url=https://www.usatoday.com/story/travel/airline-news/2023/08/19/hurricane-hilary-airline-waivers/70632085007/ |access-date=2023-08-20 |website=USA TODAY |language=en-US |archive-date=August 20, 2023 |archive-url=https://web.archive.org/web/20230820225049/https://www.usatoday.com/story/travel/airline-news/2023/08/19/hurricane-hilary-airline-waivers/70632085007/ |url-status=live }}</ref> Los Angeles mayor [[Karen Bass]] signed a local emergency declaration on August 19.<ref name=":5" /> On August 20, 2023, the [[Los Angeles Unified School District]] announced that campuses would be closed the following day.<ref>{{Cite web |date=2023-08-20 |title=LAUSD cancels all classes on Monday due to Tropical Storm Hilary |url=https://www.cbsnews.com/losangeles/news/lausd-cancels-all-classes-on-monday-due-to-tropical-storm-hilary/ |access-date=2023-08-20 |website=CBS News |language=en-US |archive-date=August 21, 2023 |archive-url=https://web.archive.org/web/20230821023813/https://www.cbsnews.com/losangeles/news/lausd-cancels-all-classes-on-monday-due-to-tropical-storm-hilary/ |url-status=live }}</ref><ref>{{Cite web |last=Lloyd • • |first=Jonathan |date=2023-08-18 |title=LAUSD schools will close due to Tropical Storm Hilary. See live updates |url=https://www.nbclosangeles.com/weather-news/hurricane-hilary-la-rain-tropical-storm-warning-california-forecast/3208458/ |access-date=2023-08-20 |website=NBC Los Angeles |language=en-US |archive-date=August 20, 2023 |archive-url=https://web.archive.org/web/20230820215224/https://www.nbclosangeles.com/weather-news/hurricane-hilary-la-rain-tropical-storm-warning-california-forecast/3208458/ |url-status=live }}</ref> Several schools in Orange County were closed.<ref name=":7" /> [[Fullerton College]] was closed as well, and schools across the [[Anaheim Union High School District]], [[Anaheim Elementary School District]], and the [[South Orange County Community College District]] were also closed.<ref name=":7" />
-On August 20, the [[Storm Prediction Center]] issued a level 2/slight risk in Southern California, which included 5% risk of tornadoes.<ref name="August 20 SPC Day 1">{{cite web |author1=Chris Broyles |author2=Harry Weinman |title=Aug 20, 2023 0600 UTC Day 1 Convective Outlook |url=https://www.spc.noaa.gov/products/outlook/day1otlk_1200_prt.html |publisher=Storm Prediction Center |access-date=20 August 2023 |archive-url=https://web.archive.org/web/20230820060847/https://www.spc.noaa.gov/products/outlook/day1otlk_1200_prt.html |archive-date=20 August 2023 |language=English |date=20 August 2023 |url-status=dead}}</ref> The Weather Prediction Center also continued the level 4/high risk, with David Roth stating that "the 00z NAM CONEST advertises local amounts of {{convert|17|in|cm}}+, which would be exceedingly rare, bordering on unique, for the region from a tropical cyclone and unique for Nevada.  The 100 year ARI is forecast to be exceeded over a broad area."<ref>{{cite web |last1=Roth |first1=David |title=WPC Day 1 Excessive Rainfall Outlook |url=https://www.wpc.ncep.noaa.gov/qpf/ero.php?opt=curr&day=1 |website=Weather Prediction Center |publisher=National Weather Service |access-date=20 August 2023 |archive-url=https://web.archive.org/web/20230820081051/https://www.wpc.ncep.noaa.gov/qpf/ero.php?opt=curr&day=1 |archive-date=20 August 2023 |language=English |date=20 August 2023 |url-status=dead}}</ref> At 16:00 UTC, Weather Prediction Center forecaster Richard Bann changed the outlook slightly, noting that model guidance indicated the chance for {{convert|5|in|cm}} of rainfall in the Idaho mountains from Hurricane Hilary.<ref>{{cite web |author1=Richard Bann |title=WPC Day 1 Excessive Rainfall Outlook (16Z) |url=https://www.wpc.ncep.noaa.gov/qpf/ero.php?opt=curr&day=1 |publisher=Weather Prediction Center |access-date=20 August 2023 |archive-url=https://web.archive.org/web/20230820160259/https://www.wpc.ncep.noaa.gov/qpf/ero.php?opt=curr&day=1 |archive-date=20 August 2023 |language=English |date=20 August 2023 |url-status=dead}}</ref>
+On August 20, the [[Storm Prediction Center]] issued a level 2/slight risk in Southern California, which included 5% risk of tornadoes.<ref name="August 20 SPC Day 1">{{cite web |author1=Chris Broyles |author2=Harry Weinman |title=Aug 20, 2023 0600 UTC Day 1 Convective Outlook |url=https://www.spc.noaa.gov/products/outlook/day1otlk_1200_prt.html |publisher=Storm Prediction Center |access-date=20 August 2023 |archive-url=https://web.archive.org/web/20230820060847/https://www.spc.noaa.gov/products/outlook/day1otlk_1200_prt.html |archive-date=20 August 2023 |language=English |date=20 August 2023 |url-status=dead}}</ref> The Weather Prediction Center also continued the level 4/high risk, with forecaster David Roth stating that "the 00z NAM CONEST advertises local amounts of {{convert|17|in|cm}}+, which would be exceedingly rare, bordering on unique, for the region from a tropical cyclone and unique for Nevada.  The 100 year ARI is forecast to be exceeded over a broad area."<ref>{{cite web |last1=Roth |first1=David |title=WPC Day 1 Excessive Rainfall Outlook |url=https://www.wpc.ncep.noaa.gov/qpf/ero.php?opt=curr&day=1 |website=Weather Prediction Center |publisher=National Weather Service |access-date=20 August 2023 |archive-url=https://web.archive.org/web/20230820081051/https://www.wpc.ncep.noaa.gov/qpf/ero.php?opt=curr&day=1 |archive-date=20 August 2023 |language=English |date=20 August 2023 |url-status=dead}}</ref> At 16:00 UTC, Weather Prediction Center forecaster Richard Bann changed the outlook slightly, noting that model guidance indicated the chance for {{convert|5|in|cm}} of rainfall in the Idaho mountains from Hurricane Hilary.<ref>{{cite web |author1=Richard Bann |title=WPC Day 1 Excessive Rainfall Outlook (16Z) |url=https://www.wpc.ncep.noaa.gov/qpf/ero.php?opt=curr&day=1 |publisher=Weather Prediction Center |access-date=20 August 2023 |archive-url=https://web.archive.org/web/20230820160259/https://www.wpc.ncep.noaa.gov/qpf/ero.php?opt=curr&day=1 |archive-date=20 August 2023 |language=English |date=20 August 2023 |url-status=dead}}</ref>
 {{clear}}

v t e Category 4 Pacific hurricanes
1950s	Twelve (1957) Dot (1959) "Mexico" (1959)
1970s	Denise (1971) Celeste (1972) Doreen (1973) Emily (1973) Maggie (1974) Denise (1975) Katrina (1975) Doreen (1976) Iva (1976) Liza (1976) Madeline (1976) Fico (1978) Hector (1978) Norman (1978) Susan (1978) Enrique (1979) Ignacio (1979)
1980s	Kay (1980) Olivia (1982) Barbara (1983) Henriette (1983) Kiko (1983) Raymond (1983) Tico (1983) Douglas (1984) Elida (1984) Iselle (1984) Norbert (1984) Ignacio (1985) Jimena (1985) Rick (1985) Estelle (1986) Javier (1986) Roslyn (1986) Max (1987) Ramon (1987) Hector (1988) Fabio (1988) Octave (1989) Raymond (1989)
1990s	Hernan (1990) Marie (1990) Odile (1990) Trudy (1990) Jimena (1991) Kevin (1991) Celia (1992) Estelle (1992) Frank (1992) Orlene (1992) Iniki (1992) Tina (1992) Virgil (1992) Dora (1993) Fernanda (1993) Keoni (1993) Greg (1993) Jova (1993) Kenneth (1993) Lidia (1993) Lane (1994) Olivia (1994) Adolph (1995) Barbara (1995) Juliette (1995) Douglas (1996) Jimena (1997) Nora (1997) Pauline (1997) Blas (1998) Estelle (1998) Howard (1998) Dora (1999)
2000s	Carlotta (2000) Adolph (2001) Juliette (2001) Fausto (2002) Howard (2004) Javier (2004) Kenneth (2005) Daniel (2006) John (2006) Flossie (2007) Norbert (2008) Felicia (2009) Jimena (2009)
2010s	Adrian (2011) Dora (2011) Eugene (2011) Hilary (2011) Kenneth (2011) Emilia (2012) Amanda (2014) Cristina (2014) Iselle (2014) Odile (2014) Simon (2014) Andres (2015) Blanca (2015) Dolores (2015) Hilda (2015) Jimena (2015) Kilo (2015) Olaf (2015) Sandra (2015) Blas (2016) Georgette (2016) Lester (2016) Madeline (2016) Seymour (2016) Fernanda (2017) Kenneth (2017) Aletta (2018) Bud (2018) Hector (2018) Norman (2018) Olivia (2018) Rosa (2018) Sergio (2018) Barbara (2019) Erick (2019) Kiko (2019)
2020s	Douglas (2020) Genevieve (2020) Marie (2020) Felicia (2021) Linda (2021) Darby (2022) Orlene (2022) Roslyn (2022) Dora (2023) Fernanda (2023) Hilary (2023) Lidia (2023) Norma (2023)
Category Tropical cyclones portal

v t e Tropical cyclones of the 2023 Pacific hurricane season
Timeline
	2 Adrian 1 Beatriz 3 Calvin TD Four-E 4 Dora TS Eugene 4 Fernanda TS Greg 4 Hilary TS Irwin 5 Jova TD Twelve-E TS Kenneth TD Fourteen-E 4 Lidia TS Max 4 Norma 5 Otis TS Pilar TS Ramon
Category

Revision as of 21:53, 22 August 2023

Meteorological history

Preparations

Mexico

United States

Impact

Mexico

United States

See also

References

External links