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The '''2021 Atlantic hurricane season''' is an ongoing [[Atlantic hurricane season]], which is part of the annual [[tropical cyclone]] season in the [[northern hemisphere]]. It began on June&nbsp;1, 2021, and will end on November&nbsp;30, 2021. These dates, adopted by convention, historically describe the period in each year when most Atlantic tropical cyclones form.<ref>{{cite web|url=https://www.aoml.noaa.gov/hrd-faq/#hurricane-season |title=Hurricane Season Information|work=Frequently Asked Questions About Hurricanes|date=June 1, 2018|publisher=[[National Oceanic and Atmospheric Administration|NOAA]] [[Atlantic Oceanographic and Meteorological Laboratory]] |location=Miami, Florida|access-date=April 13, 2021}}</ref> However, subtropical or [[tropical cyclogenesis]] is possible at [[List of off-season Atlantic hurricanes|any time of the year]], as was the case this season, when Tropical Storm Ana formed on May 22, making 2021 the seventh consecutive year that a storm formed before the designated start of the season.<ref>{{cite news |last1=Cetoute |first1=Devoun |last2=Harris |first2=Alex|date=May 22, 2021 |title=Subtropical Storm Ana forms. It's the seventh year in a row with an early named storm.|work=[[Miami Herald]]|url=https://www.miamiherald.com/news/weather/hurricane/article251590748.html|access-date=May 22, 2021}}</ref> The season had the most active June on record, tying [[1886 Atlantic hurricane season|1886]], [[1909 Atlantic hurricane season|1909]], [[1936 Atlantic hurricane season|1936]], and [[1968 Atlantic hurricane season|1968]] with three [[Tropical cyclone naming|named storms]] forming.<ref>{{cite web|last=Klotzbach|first=Phil|date=June 28, 2021|title=5th Atlantic season on record to have 3 June named storm formations|url=https://twitter.com/philklotzbach/status/1409601047396556806|url-status=live|access-date=June 29, 2021|website=Twitter}}</ref> Then, on July&nbsp;1, [[Hurricane Elsa]] formed, surpassing [[2020 Atlantic hurricane season|2020's]] Tropical Storm Edouard as the [[List of Atlantic hurricane records#Earliest formation records by storm number|earliest-forming]] fifth named storm on record by five days.<ref>{{cite web|last=Masters|first=Jeff|title=Tropical Storm Elsa is earliest fifth named storm on record in the Atlantic|date=July 1, 2021|url=https://yaleclimateconnections.org/2021/07/tropical-storm-elsa-is-earliest-fifth-named-storm-on-record-in-the-atlantic/|publisher=[[Yale Program on Climate Change Communication]]|location=New Haven, Connecticut|access-date=August 2, 2021}}</ref> After a period of inactivity, seven cyclones formed in August, including the season's first major hurricanes: {{#tag:ref|Hurricanes reaching Category&nbsp;3 ({{convert|111|mph|km/h|disp=or|sp=us}}) and higher on the five-level [[Saffir–Simpson scale|Saffir–Simpson wind speed scale]] are considered major hurricanes.<ref name="Background"/>|group="nb"}} [[Hurricane Grace|Grace]], which intensified to a Category&nbsp;3 hurricane before making [[landfall]] in the [[Mexican states|Mexican state]] of [[Veracruz]], [[Hurricane Ida|Ida]], a deadly and destructive hurricane that made landfall in the [[U.S. state]] of [[Louisiana]] at Category&nbsp;4 strength, and [[Hurricane Larry|Larry]], which weakened to Category&nbsp;1 strength prior to making landfall in the [[Provinces and territories of Canada|Canadian province]] of [[Newfoundland and Labrador]].<ref name=IOTS0909>{{cite web|last=Masters|first=Jeff|title=Mindy hits Florida Panhandle; Cat 1 Larry grazes Bermuda; Cat 4 Chanthu takes aim at Taiwan, and Cat 1 Olaf threatens Baja|date=September 9, 2021|url=https://yaleclimateconnections.org/2021/09/mindy-hits-florida-panhandle-cat-1-larry-grazes-bermuda-cat-4-chanthu-takes-aim-at-taiwan-and-cat-1-olaf-threatens-baja/|publisher=Yale Center for Environmental Communication|location=New Haven, Connecticut|access-date=September 9, 2021}}</ref>
The '''2021 Atlantic hurricane season''' is an ongoing very active [[Atlantic hurricane season]], which is part of the annual [[tropical cyclone]] season in the [[northern hemisphere]]. It began on June&nbsp;1, 2021, and will end on November&nbsp;30, 2021. These dates, adopted by convention, historically describe the period in each year when most Atlantic tropical cyclones form.<ref>{{cite web|url=https://www.aoml.noaa.gov/hrd-faq/#hurricane-season |title=Hurricane Season Information|work=Frequently Asked Questions About Hurricanes|date=June 1, 2018|publisher=[[National Oceanic and Atmospheric Administration|NOAA]] [[Atlantic Oceanographic and Meteorological Laboratory]] |location=Miami, Florida|access-date=April 13, 2021}}</ref> However, subtropical or [[tropical cyclogenesis]] is possible at [[List of off-season Atlantic hurricanes|any time of the year]], as was the case this season, when Tropical Storm Ana formed on May 22, making 2021 the seventh consecutive year that a storm formed before the designated start of the season.<ref>{{cite news |last1=Cetoute |first1=Devoun |last2=Harris |first2=Alex|date=May 22, 2021 |title=Subtropical Storm Ana forms. It's the seventh year in a row with an early named storm.|work=[[Miami Herald]]|url=https://www.miamiherald.com/news/weather/hurricane/article251590748.html|access-date=May 22, 2021}}</ref> The season had the most active June on record, tying [[1886 Atlantic hurricane season|1886]], [[1909 Atlantic hurricane season|1909]], [[1936 Atlantic hurricane season|1936]], and [[1968 Atlantic hurricane season|1968]] with three [[Tropical cyclone naming|named storms]] forming.<ref>{{cite web|last=Klotzbach|first=Phil|date=June 28, 2021|title=5th Atlantic season on record to have 3 June named storm formations|url=https://twitter.com/philklotzbach/status/1409601047396556806|url-status=live|access-date=June 29, 2021|website=Twitter}}</ref> Then, on July&nbsp;1, [[Hurricane Elsa]] formed, surpassing [[2020 Atlantic hurricane season|2020's]] Tropical Storm Edouard as the [[List of Atlantic hurricane records#Earliest formation records by storm number|earliest-forming]] fifth named storm on record by five days.<ref>{{cite web|last=Masters|first=Jeff|title=Tropical Storm Elsa is earliest fifth named storm on record in the Atlantic|date=July 1, 2021|url=https://yaleclimateconnections.org/2021/07/tropical-storm-elsa-is-earliest-fifth-named-storm-on-record-in-the-atlantic/|publisher=[[Yale Program on Climate Change Communication]]|location=New Haven, Connecticut|access-date=August 2, 2021}}</ref> After a period of inactivity, seven cyclones formed in August, including the season's first major hurricanes: {{#tag:ref|Hurricanes reaching Category&nbsp;3 ({{convert|111|mph|km/h|disp=or|sp=us}}) and higher on the five-level [[Saffir–Simpson scale|Saffir–Simpson wind speed scale]] are considered major hurricanes.<ref name="Background"/>|group="nb"}} [[Hurricane Grace|Grace]], which intensified to a Category&nbsp;3 hurricane before making [[landfall]] in the [[Mexican states|Mexican state]] of [[Veracruz]], [[Hurricane Ida|Ida]], a deadly and destructive hurricane that made landfall in the [[U.S. state]] of [[Louisiana]] at Category&nbsp;4 strength, and [[Hurricane Larry|Larry]], which weakened to Category&nbsp;1 strength prior to making landfall in the [[Provinces and territories of Canada|Canadian province]] of [[Newfoundland and Labrador]].<ref name=IOTS0909>{{cite web|last=Masters|first=Jeff|title=Mindy hits Florida Panhandle; Cat 1 Larry grazes Bermuda; Cat 4 Chanthu takes aim at Taiwan, and Cat 1 Olaf threatens Baja|date=September 9, 2021|url=https://yaleclimateconnections.org/2021/09/mindy-hits-florida-panhandle-cat-1-larry-grazes-bermuda-cat-4-chanthu-takes-aim-at-taiwan-and-cat-1-olaf-threatens-baja/|publisher=Yale Center for Environmental Communication|location=New Haven, Connecticut|access-date=September 9, 2021}}</ref>


Beginning this season, the [[National Hurricane Center]] (NHC) began issuing regular Tropical Weather Outlooks on May 15, two weeks earlier than it has done in the past. This change was implemented given that named systems had formed in the [[Atlantic Ocean]] prior to the start of the season in each of the preceding six cycles.<ref>{{cite web|url=https://www.npr.org/2021/02/26/971853228/hurricane-forecasts-will-start-earlier-in-2021|last=Allen|first=Greg|title=Hurricane Forecasts Will Start Earlier In 2021|publisher=[[National Public Radio|NPR]]|date=February 26, 2021|access-date=February 27, 2021}}</ref>
Beginning this season, the [[National Hurricane Center]] (NHC) began issuing regular Tropical Weather Outlooks on May 15, two weeks earlier than it has done in the past. This change was implemented given that named systems had formed in the [[Atlantic Ocean]] prior to the start of the season in each of the preceding six cycles.<ref>{{cite web|url=https://www.npr.org/2021/02/26/971853228/hurricane-forecasts-will-start-earlier-in-2021|last=Allen|first=Greg|title=Hurricane Forecasts Will Start Earlier In 2021|publisher=[[National Public Radio|NPR]]|date=February 26, 2021|access-date=February 27, 2021}}</ref>

Revision as of 06:04, 22 September 2021

Template:Current long-term

2021 Atlantic hurricane season
Season summary map
Seasonal boundaries
First system formedMay 22, 2021
Last system dissipatedSeason ongoing
Strongest storm
NameIda
 • Maximum winds150 mph (240 km/h)
(1-minute sustained)
 • Lowest pressure929 mbar (hPa; 27.43 inHg)
Seasonal statistics
Total depressions17
Total storms17
Hurricanes6
Major hurricanes
(Cat. 3+)		3
Total fatalities158 total
Total damage$53.498 billion (2021 USD)
Related articles
Atlantic hurricane seasons
2019, 2020, 2021, 2022, 2023

The 2021 Atlantic hurricane season is an ongoing very active Atlantic hurricane season, which is part of the annual tropical cyclone season in the northern hemisphere. It began on June 1, 2021, and will end on November 30, 2021. These dates, adopted by convention, historically describe the period in each year when most Atlantic tropical cyclones form.[1] However, subtropical or tropical cyclogenesis is possible at any time of the year, as was the case this season, when Tropical Storm Ana formed on May 22, making 2021 the seventh consecutive year that a storm formed before the designated start of the season.[2] The season had the most active June on record, tying 1886, 1909, 1936, and 1968 with three named storms forming.[3] Then, on July 1, Hurricane Elsa formed, surpassing 2020's Tropical Storm Edouard as the earliest-forming fifth named storm on record by five days.[4] After a period of inactivity, seven cyclones formed in August, including the season's first major hurricanes: [nb 1] Grace, which intensified to a Category 3 hurricane before making landfall in the Mexican state of Veracruz, Ida, a deadly and destructive hurricane that made landfall in the U.S. state of Louisiana at Category 4 strength, and Larry, which weakened to Category 1 strength prior to making landfall in the Canadian province of Newfoundland and Labrador.[6]

Beginning this season, the National Hurricane Center (NHC) began issuing regular Tropical Weather Outlooks on May 15, two weeks earlier than it has done in the past. This change was implemented given that named systems had formed in the Atlantic Ocean prior to the start of the season in each of the preceding six cycles.[7]

Seasonal forecasts

Predictions of tropical activity in the 2021 season
Source Date Named
storms 		Hurricanes Major
hurricanes 		Ref
Average (1991–2020) 14.4 7.2 3.2 [5]
Record high activity 30 15 7† [8]
Record low activity 4 2† 0† [8]
–––––––––––––––––––––––––––––––––––––––––––––––––––––––
TSR December 9, 2020 16 7 3 [9]
CSU April 8, 2021 17 8 4 [10]
PSU April 8, 2021 9–15 n/a n/a [11]
TSR April 13, 2021 17 8 3 [12]
UA April 13, 2021 18 8 4 [13]
NCSU April 14, 2021 15–18 7–9 2–3 [14]
TWC April 15, 2021 18 8 3 [15]
TWC May 13, 2021 19 8 4 [16]
NOAA May 20, 2021 13–20 6–10 3–5 [17]
UKMO* May 20, 2021 14 7 3 [18]
TSR May 27, 2021 18 9 4 [19]
CSU June 3, 2021 18 8 4 [20]
UA June 16, 2021 19 6 4 [21]
TSR July 6, 2021 20 9 4 [22]
CSU July 8, 2021 20 9 4 [23]
UKMO* August 2, 2021 15 6 3 [24]
NOAA August 4, 2021 15–21 7–10 3–5 [25]
CSU August 5, 2021 18 8 4 [26]
TSR August 5, 2021 18 7 3 [27]
–––––––––––––––––––––––––––––––––––––––––––––––––––––––
Actual activity
 17 6 3
* June–November only
† Most recent of several such occurrences. (See all)

In advance of, and during, each hurricane season, several forecasts of hurricane activity are issued by national meteorological services, scientific agencies, and noted hurricane experts. These include forecasters from the United States National Oceanic and Atmospheric Administration (NOAA)'s Climate Prediction Center, Tropical Storm Risk (TSR), the United Kingdom's Met Office, and Philip J. Klotzbach, William M. Gray and their associates at Colorado State University (CSU). The forecasts include weekly and monthly changes in significant factors that help determine the number of tropical storms, hurricanes, and major hurricanes within a particular year. According to NOAA and CSU, the average Atlantic hurricane season between 1991 and 2020 contained roughly 14 tropical storms, seven hurricanes, three major hurricanes, and an accumulated cyclone energy (ACE) index of 72–111 units.[9] Broadly speaking, ACE is a measure of the power of a tropical or subtropical storm multiplied by the length of time it existed. It is only calculated for full advisories on specific tropical and subtropical systems reaching or exceeding wind speeds of 39 mph (63 km/h).[5] NOAA typically categorizes a season as above-average, average, or below-average based on the cumulative ACE index, but the number of tropical storms, hurricanes, and major hurricanes within a hurricane season is sometimes also considered.[5]

Pre-season forecasts

On December 9, 2020, TSR issued an extended range forecast for the 2021 hurricane season, predicting slightly above-average activity with 16 named storms, seven hurricanes, three major hurricanes, and an ACE index of about 127 units. TSR cited the expected development of a weak La Niña during the third quarter of 2021 as the main factor behind their forecast.[9] CSU released their first predictions on April 8, 2021, predicting an above-average season with 17 named storms, eight hurricanes, four major hurricanes, and an ACE index of 150 units, citing the unlikelihood of an El Niño and much warmer than average sea surface temperatures in the subtropical Atlantic.[10] TSR updated their forecast on April 13, with 17 named storms, eight hurricanes, and three major hurricanes, with an ACE index of 134 units.[12] On the same day, University of Arizona (UA) issued its seasonal prediction of above-average hurricane activities, with 18 named storms, eight hurricanes, four major hurricanes, and an ACE index of 137 units.[13] North Carolina State University (NCSU) made its prediction for the season on April 14, calling for an above-average season with 15 to 18 named storms, seven to nine hurricanes, and two to three major hurricanes.[14] On May 13, The Weather Company (TWC) updated their forecast for the season, calling for an active season, with 19 named storms, eight hurricanes, and four major hurricanes.[16] On May 20, NOAA's Climate Prediction Center issued their forecasts for the season, predicting a 60% chance of above-average activity and 30% chance for below-average activity, with 13-20 named storms, 6-10 hurricanes and 3-5 major hurricanes.[17] The following day, the United Kingdom's Met Office (UKMO) issued their own forecast for the 2021 season, predicting an average one with 14 named storms, seven hurricanes, and three major hurricanes, with a 70% chance that each of these statistics will fall between 9 and 19, 4 and 10, and 1 and 5, respectively.[18]

Mid-season forecasts

On June 16, University of Arizona (UA) updated their forecast for the season, with 19 named storms, six hurricanes, four major hurricanes, and an ACE index of 183 units.[21] On July 6, TSR released their third forecast for the season, slightly increasing their numbers to 20 named storms, 9 hurricanes and 4 major hurricanes. This prediction was largely based on their expectation for a weak La Niña to develop by the third quarter of the year.[22] On July 8, CSU updated their prediction to 20 named storms, 9 hurricanes, and 4 major hurricanes.[23] On August 5, TSR issued their final forecast for the season, lowering their numbers to 18 named storms, 7 hurricanes and 3 major hurricanes.[27]

Seasonal summary

See also: Timeline of the 2021 Atlantic hurricane season
Hurricane NicholasHurricane LarryHurricane IdaHurricane HenriHurricane GraceTropical Storm Fred (2021)Hurricane ElsaTropical Storm Danny (2021)Tropical Storm Claudette (2021)Saffir-Simpson scale
List of costliest Atlantic hurricane seasons (as of 2023)
Rank Cost Season
1 ≥ $294.803 billion 2017
2 $172.297 billion 2005
3 $120.425 billion 2022
4 ≥ $80.727 billion 2021
5 $72.341 billion 2012
6 $61.148 billion 2004
7 ≥ $51.114 billion 2020
8 ≥ $50.526 billion 2018
9 ≥ $48.855 billion 2008
10 $27.302 billion 1992

Tropical Storm Ana formed ten days before the official start of the 2021 Atlantic hurricane season, making 2021 the seventh consecutive year in which a tropical or subtropical cyclone formed before the season's official start on June 1. Ana formed in a location where no tropical storms within the month of May had been documented since before 1950.[28] In mid-June, a rapidly developing non-tropical low offshore of the North Carolina coast became Tropical Storm Bill. The system lasted for only two days before becoming extratropical. Later that month, Tropical Storm Claudette formed on the coast of Louisiana and Tropical Storm Danny formed off the coast of South Carolina. Hurricane Elsa formed at the beginning of July and became the first hurricane of the season on July 2 before impacting the Caribbean and later the Eastern United States and Atlantic Canada after making landfall in Florida as a tropical storm on July 8. Afterwards, activity came to a halt due to unfavorable conditions across the basin.

Three tropical cyclones simultaneously active in the North Atlantic on August 16: Fred (left), nearing landfall in the Florida Panhandle; Grace (lower right), south of Hispaniola; and the tropical depression which would eventually become Henri (upper right), near Bermuda

On August 11, Fred formed in the eastern Caribbean, bringing impacts to the Greater and Lesser Antilles, and the Southeastern United States. A couple of days later, Grace formed and strengthened to the second hurricane and first major hurricane of the season, and brought impacts to Hispaniola and eastern Mexico. A third tropical system, Henri, developed on August 16, near Bermuda.[29] Henri meandered for several days before becoming the third hurricane of the season on August 21 and impacted New England, causing record flooding in some places. Towards the end of the month, Hurricane Ida formed, causing major damage in Western Cuba before rapidly intensifying into a Category 4 hurricane and striking Southeastern Louisiana at near peak intensity, producing widespread, catastrophic damage. Its remnants then generated a deadly tornado outbreak and widespread flooding across the Northeastern United States. Two other tropical storms, Kate and Julian, also formed briefly during this time, but remained at sea. Larry initially formed on the last day of August and strengthened into a major hurricane early in September. It became the first hurricane to make landfall on Newfoundland since Igor in 2010.[30]

As the mid-point of the hurricane season approached,[nb 2] Tropical Storm Mindy formed on September 8, and made landfall on the Florida Panhandle shortly thereafter.[6] It was followed by Hurricane Nicholas, which formed on September 12,[31] and made landfall along the central Texas coast two days later.[32] They were followed by three tropical storms—Odette, Peter, and Rose—which were steered by prevailing winds away from any interaction with land.

The ACE index for the 2021 Atlantic hurricane season, as calculated by Colorado State University using data from the National Hurricane Center (NHC), is 79.9 units (as of 09:00 UTC September 19).[33] The totals represent the sum of the squares for every (sub)tropical storm's intensity of over 33 knots (38 mph; 61 km/h), divided by 10,000.

Systems

Tropical Storm Ana

Tropical storm (SSHWS)
 
DurationMay 22 – May 23
Peak intensity45 mph (75 km/h) (1-min);
1004 mbar (hPa)
See also: List of off-season Atlantic hurricanes

On May 20 at 00:00 UTC, a potent extratropical cyclone formed in the mid Atlantic about 500 nmi (575 mi) east-southeast of Bermuda from a shortwave trough. The system started slowly moving in the Northeast direction during which, the northern half of the system started producing gale-force winds, thus creating an asymmetrical wind field. However, by the next day, the wind field had extended considerably reaching out about 330 nmi (380 mi) to the northeast. The system then accelerated in the west-northwest direction later that day due to being caught in an upper level low. The system started slowing down on the next day as it moved under the low. This event caused wind shear to decrease and some convection began to develop. As the low began to shed frontal characteristics, it gained more organisation and by 06:00 UTC on that day, the system became a subtropical cyclone and received the name "Ana." Ana made a counter-clockwise loop, mainly in part because the only influence were weak steering currents. The convection in the storm was displaced that day, however, later in the same day, the storm had managed to have a more persistent convection near the center. By midnight on May 23, Ana had developed a more symmetrical wind field and transitioned into a tropical storm. Ana then began accelerating to Northeast due to a southwesterly flow. That, and a flare-up in convection caused Ana to reach peak intensity with winds of 45 mph (70 km/h) and a pressure of 1,004 mbar (29.6 inHg). As Ana moved Northeastward, it was confronted with wind shear and lost some convection. This continued, and by 18:00 UTC on May 23, the system lost all convection and became post-tropical. However, the low still accelerated northeastward until being integrated into a trough at 00:00 UTC May 24. That trough was later absorbed by a frontal system later that day.

The approach of Ana's precursor system warranted the issuance of a Tropical Storm Watch by the Bermuda Weather Service for the island of Bermuda at 15:00 UTC on May 20. However, the watch was discontinued 2 days later at 15:00 UTC on May 22. There were no reports of damage or casualties associated with the storm.[34]

Tropical Storm Bill

Tropical storm (SSHWS)
 
DurationJune 14 – June 16
Peak intensity60 mph (95 km/h) (1-min);
998 mbar (hPa)

A non-tropical area of low pressure formed about 150 miles (240 km) south of Wilmington, North Carolina, on June 13 and began to be monitored for potential tropical development, although chances of such were initially deemed low.[35] Overnight however, the system rapidly organized with ample deep convection and a small core forming.[36] At 15:00 UTC the next day, the National Hurricane Center (NHC) initiated advisories on the system and designated it as Tropical Depression Two.[37] The depression accelerated northeastward in the following hours, with convection briefly decreasing as a result of wind shear and the circulation becoming exposed, as seen on visible satellite images.[38] Twelve hours later, the depression strengthened into Tropical Storm Bill as the storm developed a more defined cluster of thunderstorms northeast of the center, while a scatterometer pass additionally confirmed the cyclone was producing gale-force winds.[39] Bill intensified on June 15 with convection becoming organized in a curved band pattern despite wind shear.[40] The storm reached its peak intensity by 15:00 UTC that day, with 1-minute sustained winds of 60 miles per hour (95 km/h) and a minimum pressure of 998 mbar (29.47 inHg).[41] Despite a tight core structure developing, dry air began wrapping into the southeastern section of the storm shortly after that time.[42] Strong wind shear then exposed and elongated the center of Bill to the southwest of the convection as it raced northeast at over 35 mph (56 km/h).[43] At 03:00 UTC on June 16, Bill transitioned into an extratropical cyclone.[44]

Tropical Storm Claudette

Tropical storm (SSHWS)
 
DurationJune 19 – June 22
Peak intensity45 mph (75 km/h) (1-min);
1004 mbar (hPa)
Main article: Tropical Storm Claudette (2021)

On June 11, the National Hurricane Center (NHC) began monitoring a potential tropical low in the Gulf of Mexico.[45] Initially, the system slowly moved to the south and caused heavy rainfall in Southern Mexico and Central America.[46] It then meandered around with a loosely defined circulation in the Bay of Campeche for a few days. The system then started moving north and developed a very broad circulation.[47] On June 17 at 21:00 UTC, the NHC started issuing advisories on the system as Potential Tropical Cyclone Three.[48] Tropical-storm-force winds were indicated by satellite data on June 18 at 18:00 UTC, but the storm still lacked a well-developed low-level circulation.[49] As the system moved inland into southeastern Louisiana on June 19, satellite imagery finally revealed a well enough defined surface circulation and at 09:00 UTC, the NHC upgraded the system to a tropical storm, assigning it the name Claudette.[50] Claudette then weakened into a tropical depression as it moved further inland and produced gusty winds in areas of Mississippi, Alabama, Georgia, and parts of Florida.[51] On June 21 at 09:00 UTC, Claudette re-strengthened into a tropical storm as its center was located over North Carolina.[52] After moving into the Atlantic Ocean at 15:00 UTC,[53] Claudette moved away from the coast of United States,[54] before degenerating into a trough of low pressure at 03:00 UTC on June 22.[55]

Heavy rainfall and tropical storm-force winds were reported across much of the Southeastern United States.[56] Several tornadoes were spawned by Claudette, including an EF2 tornado that caused major damage and injured 20 people in East Brewton, Alabama.[57][58] The system caused 14 fatalities, all in Alabama.[59]

Tropical Storm Danny

Tropical storm (SSHWS)
 
DurationJune 28 – June 29
Peak intensity45 mph (75 km/h) (1-min);
1009 mbar (hPa)
Main article: Tropical Storm Danny (2021)

An area of disturbed weather broke off of a dissipating cold front over the Central Atlantic well east of Bermuda on June 22.[60][61] The next day, this area became a surface trough as it drifted southwestward before accelerating westward under the influence of a high pressure system to its north.[62][63] Over the next few days, disorganized convection formed over the trough as it moved quickly west-northwestward and on June 26, the National Hurricane Center (NHC) began to monitor the disturbance for development as it passed several hundred miles south of Bermuda.[64][65][66] By June 27, the trough had developed a closed low-level circulation as it continued to track west-northwestward, although disorganized thunderstorms remained displaced to the northwest of the center due to strong upper-level winds produced by a nearby upper-level low.[67] After morning visible satellite images revealed a well-defined center with organized thunderstorms, albeit displaced to the west, the system was upgraded to Tropical Depression Four east of the coast of South Carolina at 15:00 UTC on June 28.[68] Following a hurricane hunter reconnaissance flight into the depression alongside Doppler radar data confirming the small depression was producing gale-force winds, the storm was upgraded to Tropical Storm Danny at 19:05 UTC that day.[69] Danny intensified slightly a couple of hours later after a large hot tower occurred over the center, reaching its peak intensity just off the coast of South Carolina with maximum sustained winds of 45 mph (75 km/h) and a minimum central pressure of 1009 mb (29.80 inHg).[70] At 23:30 UTC on June 28, Danny made landfall just north of Hilton Head on Pritchards Island, South Carolina with sustained winds of 40 mph (65 km/h) and quickly weakened into a tropical depression as it moved further inland, according to surface observations and Doppler radar data.[70] Danny was the first storm to make landfall in the state of South Carolina in the month of June since Hurricane One in 1867.[71] Danny continued to move further inland until on June 29, at 09:00 UTC, Danny finally dissipated over eastern Georgia after satellite imagery revealed that its low level circulation was no longer well defined.[72][73]

Danny produced rainfall totals of up to 3 inches (76.2 mm) in parts of South Carolina in the matter of hours following landfall, causing minor flash floods in populated areas.[74] Lightning resulted in damage to some structures, while some trees were downed in Savannah, Georgia, by windy conditions.[75] Danny produced heavy rainfall across parts of Metro Atlanta as it tracked westward.[76]

Hurricane Elsa

Category 1 hurricane (SSHWS)
 
DurationJuly 1 – July 9
Peak intensity85 mph (140 km/h) (1-min);
991 mbar (hPa)
Main article: Hurricane Elsa

The NHC began to monitor a tropical wave about 800 miles (1,300 km) from Cape Verde at 12:00 UTC on June 29.[77] The wave quickly organized as it moved eastward,[78] and advisories were issued on Potential Tropical Cyclone Five at 21:00 UTC on June 30, though it was noted that scatterometer data found an elongated and ill-defined circulation.[79] It became a tropical depression by 03:00 UTC on July 1 as its satellite appearance continued to gradually improve, with prominent banding features to the west of its center. An advanced scatterometer pass also revealed the system to have been possessing a better-defined, albeit still slightly elongated low-level circulation to its south and west.[80] By 09:00 UTC that same day, the depression further intensified into a tropical storm, and the NHC assigned it the name Elsa. This also made Elsa the earliest fifth-named storm on record, surpassing the previous record held by Tropical Storm Edouard of the previous year, which formed on July 6.[81] Elsa also became a tropical storm farther east in the Main Development Region (MDR) than any other tropical cyclone so early in the calendar year on record, behind only the 1933 Trinidad hurricane.[82][83] Elsa slowly strengthened overnight as it accelerated westward,[81][84] and at 10:45 UTC on July 2, the NHC upgraded Elsa to a Category 1 hurricane.[85] This made Elsa the eastern-most hurricane recorded in the MDR, south of 23.5°N, this early in the calendar year since 1933.[85][86] Around that time, Elsa was moving at a forward speed of 29 mph (47 km/h), making it the fastest-moving Atlantic tropical cyclone recorded undergoing rapid intensification in the deep tropics or the Gulf of Mexico, and also the first storm to undergo rapid intensification in that part of the Atlantic that early in the calendar year since another storm in 1908.[87][88] At 15:00 UTC on July 3, Elsa weakened back into a tropical storm, due to northeasterly wind shear, which was partially due to the storm's rapid forward motion at almost 30 mph (48 km/h).[89] Afterward, Elsa's forward motion significantly slowed down to 14 mph (22 km/h) by the next day, as the storm's center relocated to the east under the region with the strongest convection, while passing just north of Jamaica.[90][91] At 18:00 UTC on July 5, Elsa made landfall on west-central Cuba and weakened slightly.[92] Several hours later, at 02:00 UTC on July 6, Elsa emerged into the Gulf of Mexico and began to restrengthen.[93] At 00:00 UTC on July 7, Elsa restrengthened into a Category 1 hurricane, with winds of 75 mph (120 km/h) and a central pressure of 996 mb (29.4 inHg).[94][95] However, several hours later, wind shear and an entrainment of dry air caused Elsa to weaken back into a tropical storm.[96][97] Elsa continued moving northward, and at 15:00 UTC (8:00 a.m. EDT), Elsa made landfall in Taylor County, Florida.[98][99] The storm weakened after landfall, but remained at minimal tropical storm strength as part of its circulation remained over water.[100] Afterward, Elsa gradually began accelerating northeastward, and reintensified due to baroclinic forcing.[101] Elsa became a post-tropical cyclone at 18:00 UTC on July 9 over eastern Massachusetts.[102]

Tropical cyclone watches were issued for a large area of Greater and Lesser Antilles as much of the East Coast of the United States in anticipation of Elsa. As Elsa raced past the rest of the Antilles, it caused extensive damage to the islands. In Barbados, the storm brought down trees, damaged roofs, caused widespread power outages, and caused flash flooding. In the U.S., one person was killed by a falling tree in Florida, and another seventeen were injured at a Georgia military base during an EF1 tornado.[103] At least five people were killed by Elsa, including four in the Caribbean and one in the United States.[104] Elsa caused at least $875 million in damages, in the Caribbean and the United States.[105]

Tropical Storm Fred

Tropical storm (SSHWS)
 
DurationAugust 11 – August 18
Peak intensity65 mph (100 km/h) (1-min);
993 mbar (hPa)
Main article: Tropical Storm Fred (2021)

On August 4 at 12:00 UTC, the NHC noted a disturbance in the middle of the Atlantic.[106] Consolidating in a favorable environment for development, the NHC began issuing advisories on the system as Potential Tropical Cyclone Six on August 9.[107] The system continued organizing as it neared the Leeward Islands; however, the system lacked a well-defined center.[108] On August 11 at 03:00 UTC, the NHC upgraded the system to tropical storm status and gave it the name Fred after radar data, reconnaissance observations, and surface observations revealed tropical storm-force winds and a better-defined circulation.[109] The system moved over the Caribbean Sea until landfall on the island of Hispaniola at about 18:00 UTC August 11.[110] As the system moved over the island, it became disorganized due to the island's mountainous terrain.[111] Consequently, at 00:00 UTC August 12, the system weakened into a tropical depression.[112] On August 14, shear caused by an upper-level trough over the Gulf of Mexico and land interaction with Cuba caused Fred to degenerate into an open wave.[113] However, on August 15 at 15:00 UTC, Fred regenerated to a tropical storm because the system had a well-defined low-level center.[114] At 18:00 UTC on August 16, Fred reached its peak intensity with winds of 65 mph (100 km/h) and a minimum pressure of 993 mb (29.32 inHg).[115] An hour later at 19:15 UTC, the storm made landfall near Cape San Blas, Florida, with the same wind speed and a slightly risen pressure of 994 mb (29.35 inHg).[116] Fred began to weaken shortly after as it accelerated north-northeastwards. A day later at 15:00 UTC the NHC issued its final advisory on Fred as it started to degenerate.

One person died from a car accident due to hydroplaning in Bay County, Florida.[117] In North Carolina, severe flooding led to the deaths of 5 people in Cruso.[118]

Hurricane Grace

Category 3 hurricane (SSHWS)
 
DurationAugust 13 – August 21
Peak intensity125 mph (205 km/h) (1-min);
962 mbar (hPa)
Main article: Hurricane Grace

The NHC began to monitor a tropical wave south of the Cabo Verde Islands at 18:00 UTC on August 10.[119] The wave began to coalesce and by 15:00 UTC on August 13, the NHC considered the wave to be organized enough to be designated as Potential Tropical Cyclone Seven and began to issue advisories.[120] On August 14 at 09:00 UTC, the NHC upgraded the tropical depression to a tropical storm, assigning it the name Grace.[121] However, Grace weakened to a tropical depression on August 15 at around 18:00 UTC.[122] It made landfall on Hispaniola on August 16, just two days after the devastating Haiti earthquake. By 06:00 UTC The following day, it had reorganized back to a tropical storm. Grace's intensity continued to increase, and on August 18 at 15:00 UTC, the NHC upgraded the tropical storm to a Category 1 hurricane after reconnaissance aircraft found hurricane force winds inside the system.[123] Little further intensification occurred before the system made landfall near Tulum, Quintana Roo, at 09:45 UTC on August 19.[124] Later, Grace weakened into a tropical storm again while crossing the Yucatan Peninsula.[125] However, after moving offshore of the peninsula and into the southwestern Gulf of Mexico at around 00:00 UTC on August 20, the storm began to re-strengthen, becoming a Category 1 hurricane at 12:00 UTC that same day. On August 21 at 03:00 UTC, Grace rapidly intensified to a Category 3 hurricane just fifteen hours later, becoming the first major hurricane of the season. After peaking with winds of 125 mph (205 km/h), the system made landfall near Tecolutla, Veracruz, at 06:00 UTC.[126][127][128][129] It then rapidly weakened over the mountains of central Mexico and dissipated there.[130] However, the remnants of Grace traveled across Mexico, and contributed to the development of Tropical Storm Marty in the Eastern Pacific.[131]

Hurricane Henri

Category 1 hurricane (SSHWS)
 
DurationAugust 16 – August 23
Peak intensity75 mph (120 km/h) (1-min);
986 mbar (hPa)
Main article: Hurricane Henri

At 00:00 UTC on August 15, the NHC began to monitor a small, yet well defined low-pressure system 200 miles north-northeast of Bermuda. At 03:00 UTC on August 16, the system intensified into a tropical depression when geostationary satellite data showed the convection being organized enough to be considered tropical cyclone. Eighteen hours later at 21:00 UTC, the system was upgraded to a tropical storm and received the name Henri.[132] Due to persistent wind shear, the center was consistently near the western edge of its convection.[133] On August 18, Henri intensified into a high-end tropical storm as the convection organized and wrapped around a mid-level circulation center.[134] However, the low-level center remained near the edge of the convection due to wind shear. For the next three days, Henri remained as a strong tropical storm whilst curving northwards as it rounded the western edge of the Azores High. At 15:00 UTC on August 21, Henri strengthened to a hurricane as shear relaxed, allowing the low-level and the mid-level circulation centers to align.[135] Henri made landfall on August 22, near Westerly, Rhode Island, around 16:15 UTC as a tropical storm, with maximum sustained winds of 60 mph (95 km/h).[136] Shortly after landfall, Henri rapidly weakened to a tropical depression as it made a small loop.[137] Late on the next day, Henri degenerated to an extratropical cyclone as it accelerated east-northeastwards.[138]

Hurricane Ida

Category 4 hurricane (SSHWS)
 
DurationAugust 26 – September 1
Peak intensity150 mph (240 km/h) (1-min);
929 mbar (hPa)
Main article: Hurricane Ida

On August 23, the NHC began to monitor a tropical wave over the eastern Caribbean Sea. As it approached Central America, favorable environmental conditions allowed it to rapidly organize, and by 15:00 UTC on August 26, it became the ninth tropical depression of the season.[139] An Air Force aircraft found tropical storm-force winds within the system six hours later, and it was subsequently given the name Ida. As Ida travelled northwest, high sea surface temperatures and ocean heat content coupled with low wind shear allowed it to rapidly intensify into a Category 1 hurricane. Ida made landfall as a Category 1 hurricane on the Isla de la Juventud in Cuba at 18:00 UTC on August 27 with winds of 75 mph (120 km/h) and a pressure of 987 mb. Later on the same day at 23:20 UTC, Ida made its second landfall at Pinar del Río, Cuba, with winds of 80 mph (130 km/h) and a minimum central pressure of 985 mb.[140][141] Increasingly favorable conditions continued to allow Ida's structure to improve, and satellite imagery showed that the system was beginning to develop its outflow channel into a more robust one, and a nascent, cloud-filled eye accompanied that. Subsequently, it intensified into a Category 2 hurricane and later to a Category 3 hurricane on August 29 at 06:00 UTC as the system cleared out a warm eye.[142] At 07:00 UTC, the NHC upgraded Ida to a Category 4 hurricane after undergoing explosive intensification.[143] As Ida neared the Louisiana coast, it reached its peak intensity, with 1-minute sustained wind speeds of 150 mph (240 km/h) and a minimum central barometric pressure of 929 mbar (27.4 inHg), around 14:00 UTC.[144] Strengthening was then halted as the storm began an eyewall replacement cycle, forming a second eyewall, but Ida remained near its peak intensity. At 16:55 UTC on August 29, Ida made landfall near Port Fourchon, Louisiana, with sustained winds of 150 mph (240 km/h) and a central pressure of 930 mbar (27.46 inHg), tying the 1856 Last Island hurricane and Hurricane Laura as the strongest landfalling hurricane on record in Louisiana, as measured by maximum sustained wind, and trailing only Hurricane Katrina, as measured by central pressure at landfall.[145][146][147] Following landfall, Ida weakened slowly at first, remaining a dangerous major hurricane.[148] As the storm moved further inland, Ida began to rapidly weaken. On August 30, Ida weakened into a depression.[149] The system degenerated to a post-tropical cyclone two days later, as it moved over the central Appalachian Mountains.[150]

Ida's precursor triggered flooding in western Venezuela on August 23, killing 20 people.[151][152] Trees were blown down and many homes were destroyed as Ida passed over Cuba. Power was lost in all of New Orleans due to the storm, which caused widespread significant damage in the city and the surrounding area. A 172 mph (277 km/h) wind gust was reported in Port Fourchon[153] as Ida made landfall and storm surge affected all of Southeastern Louisiana. Ida caused at least $50.1 billion (2021 USD) in damages, including at least $50 billion in the US and $100 million in Cuba.[154][155] The remnants of the storm spawned a tornado outbreak and widespread flash flooding in the Northeastern United States with several flash flood emergencies and a tornado emergency being issued in areas stretching from Philadelphia to New York City. An EF2 tornado caused considerable damage in Annapolis, Maryland while a low-end EF2 tornado caused significant damage in Oxford, Pennsylvania. Another EF2 tornado caused a fatality in Upper Dublin Township, Pennsylvania before a destructive EF3 tornado heavily damaged or destroyed multiple homes in Mullica Hill, New Jersey. Widespread catastrophic flooding shut down most of the transportation system in New York City. There have been at least 72 direct fatalities in the United States (12 in Louisiana, 30 in New Jersey, 18 in New York, 5 in Pennsylvania, 3 in Mississippi, 2 in Maryland, 1 in Connecticut, and 1 in Virginia) along with 23 indirect ones.[156][157][158][159][160][161][162][163][164]

Tropical Storm Kate

Tropical storm (SSHWS)
 
DurationAugust 28 – September 1
Peak intensity45 mph (75 km/h) (1-min);
1003 mbar (hPa)

The NHC began to monitor a tropical wave south of Cape Verde on August 23. Once the system acquired characteristics of a tropical cyclone, it was designated as a tropical depression on August 28.[165] At 13:30 UTC on August 30, satellite data indicated that the tropical depression had sustained wind speeds of 45 mph (75 km/h), and it was upgraded to a tropical storm and named Kate. Strong west-northwesterly shear inhibited substantive strengthening by displacing the storm's convective activity well to the east of its center, which by the morning of August 31, had become fully exposed in visible satellite imagery.[166] Consequently, Kate was downgraded to a tropical depression at 15:00 UTC that day.[167] The system's structure continued to deteriorate into September 1, when, despite occasional bursts of deep convection, it degenerated into a remnant disturbance by 21:00 UTC.[168]

Tropical Storm Julian

Tropical storm (SSHWS)
 
DurationAugust 29 – August 30
Peak intensity60 mph (95 km/h) (1-min);
995 mbar (hPa)

On August 20 at 00:00 UTC, the NHC began monitoring a tropical wave off of the coast of Africa.[169] The wave moved northwest toward the subtropical ridge of the Atlantic, then subsequently moved north. The disturbance then moved east and acquired low-level circulation and subsequently upgraded to a tropical depression at 03:00 UTC on August 29.[170] The system continued to organize and by 15:00 UTC on the next day, the depression attained wind speeds of a tropical storm, and was named Julian.[171] The storm strengthened some and accelerated to the northeast. Late on August 29, it began to interact with a deep-layer area of low pressure located just east of Newfoundland.[172] Julian went through extratropical transition and became post-tropical by 03:00 UTC on August 30.[173]

Hurricane Larry

Category 3 hurricane (SSHWS)
 
DurationAugust 31 – September 11
Peak intensity125 mph (205 km/h) (1-min);
955 mbar (hPa)
Main article: Hurricane Larry

On August 27, the NHC began to monitor a tropical wave that was forecast to exit the African coast. Conditions proved conductive for development as the wave moved off of Africa, and at 21:00 UTC on August 31, it was designated as a tropical depression. As convection increased near the center of the depression, satellite data estimated the winds around 45 mph (75 km/h), and at 09:00 UTC on September 1, it was given the name Larry.[174] Larry developed an eye-like feature as it moved west, undergoing a period of rapid intensification throughout the day.[175] At 09:00 UTC on September 2, the storm strengthened into a Category 1 hurricane.[176] The next day, while located roughly midway between the southernmost Cabo Verde Islands and the Leeward Islands, the hurricane reached Category 2 status.[177] Larry then intensified into a Category 3 hurricane six hours later.[178] While maintaining Category 3 status for multiple days, Larry gained annular characteristics and completed two eyewall replacement cycles.[179][180][181][182] On September 7, the eyewall became less defined as the convection decreased.[183] Early the next day, Larry was downgraded to a Category 2 hurricane. On September 9, it weakened to a Category 1 hurricane, while located roughly 190 mi (305 km) east of Bermuda.[184] At 03:45 UTC on September 11, Larry made landfall on Newfoundland, near South East Bight.[185] Later that day, it transitioned to a post-tropical cyclone over the Labrador Sea.

Rip currents produced by the hurricane led to two drownings in the United States: one in Florida and one in South Carolina.[186][187]

Tropical Storm Mindy

Tropical storm (SSHWS)
 
DurationSeptember 8 – September 10
Peak intensity45 mph (75 km/h) (1-min);
1002 mbar (hPa)

On August 30, the NHC began monitoring the southern Caribbean Sea where a broad area of low pressure was expected to form.[188] After the low formed, it moved along the Caribbean coast of Central America, across the Yucatán Peninsula, and into the Gulf of Mexico. After moving into the northeastern Gulf, the disturbance became better organized, and at 21:00 UTC on September 8, the NHC initiated advisories on Tropical Storm Mindy.[189] At 01:15 UTC on September 9, Mindy made landfall on St. Vincent Island, Florida, about 10 mi (15 km) west-southwest of Apalachicola, Florida, with maximum sustained winds of 45 mph (75 km/h).[190] A few hours later, it weakened to a tropical depression,[191] and by 15:00 UTC, had moved offshore the coast of Georgia into the Atlantic Ocean.[192] Mindy became post-tropical and merged with a cold front early on September 10.[193]

Hurricane Nicholas

Category 1 hurricane (SSHWS)
 
DurationSeptember 12 – September 16
Peak intensity75 mph (120 km/h) (1-min);
988 mbar (hPa)
Main article: Hurricane Nicholas

On September 9, the NHC began monitoring the northern portion of a tropical wave over the western Caribbean Sea for potential development as it moved across northern Central America and the Yucatán Peninsula toward the Bay of Campeche.[194] By the next day, the wave was interacting with a surface trough over the southwestern Gulf of Mexico, producing widespread but disorganized showers and thunderstorms across the region.[195] Showers and thunderstorms associated with this system increased and become better organized on September 12, and as a result, advisories were initiated at 15:00 UTC on Tropical Storm Nicholas.[196] On September 14 at 03:00 UTC, a WeatherFlow Station at Matagorda Bay reported sustained winds of 76 mph (122 km/h), prompting the NHC to upgrade the storm to hurricane status.[197] Shortly thereafter, at 05:30 UTC, Nicholas made landfall about 10 mi (15 km) west-southwest of Sargent Beach, Texas, with maximum sustained winds of 75 mph (120 km/h).[198] The system quickly weakened inland to tropical storm strength, as it moved to near Galveston Bay.[199] By 00:00 UTC on September 15, it had weakened to a tropical depression as the system moved toward the east-northeast.[200] Early the following day, while stationary near Marsh Island, along the Louisiana coast, Nicholas became post-tropical.[201]

Tropical Storm Odette

Tropical storm (SSHWS)
 
DurationSeptember 17 – September 18
Peak intensity45 mph (75 km/h) (1-min);
1002 mbar (hPa)

On September 11, the NHC began monitoring an area of low pressure over the southeastern Bahamas.[202] At 21:00 UTC on September 17, advisories were initated on Tropical Storm Odette.[203] Soon afterward, the storm began an extratropical transition. During this process, its deep convection was consistently displaced well to the east of a poorly-defined center due to strong westerly wind shear. The system's circulation was elongated from southwest to northeast and contained multiple low-cloud swirls.[204] Odette completed extratropical transition late the following day, becoming a post tropical cyclone.[205] After degenerating into a non-tropical low pressure system, the remnants of Odette drifted into the northern Atlantic on September 19, producing gale-force winds.[206]

Tropical Storm Peter

Tropical Depression Peter
Current storm status
Tropical depression (1-min mean)
Satellite image
Forecast map
As of:5:00 p.m. AST (21:00 UTC) September 21
Location:20°30′N 65°00′W / 20.5°N 65.0°W / 20.5; -65.0 (Tropical Depression Peter) ± 30 nm
About 160 mi (255 km) NNE of San Juan, Puerto Rico
Sustained winds:30 knots (35 mph; 55 km/h) (1-min mean)
gusting to 35 knots (40 mph; 65 km/h)
Pressure:1009 mbar (29.80 inHg)
Movement:WNW at 7 knots (8 mph; 13 km/h)
See more detailed information.

At 06:00 UTC on September 11, the National Hurricane Center began monitoring a tropical wave expected to move off the west coast of Africa.[207] The wave moved westward across the central Atlantic for several days. By 03:00 UTC on September 19, it had more organized, with a well-defined center and deep convection, sufficient enough to be classified as a tropical depression.[208] Six hours later, it was upgraded to tropical storm status, and assigned the name Peter.[209] As the storm approached the northern Leeward Islands on September 20, it was being buffeted by a steady 30–35 mph (45–55 km/h) southwesterly wind shear from a nearby upper low. As a result, Peter's low-level center was displaced roughly 100 mi (160 km) west of its showers and thunderstorms, and the system was unable to undergo any major strengthening.[210] The system brought heavy rain showers to the northern Leeward Islands, Virgin Islands, and Puerto Rico on September 21, as it tracked to their east. Due to continued strong wind shear, its heaviest rains remained away from the islands over water.[211]

Current storm information

As of 5:00 p.m. AST (21:00 UTC) September 20, Tropical Storm Peter is located within 30 nautical miles of 20°00′N 61°48′W / 20.0°N 61.8°W / 20.0; -61.8 (Peter), about 150 mi (240 km) northeast of the northern Leeward Islands. Maximum sustained winds are 45 knots (50 mph; 85 km/h), with gusts up to 55 knots (65 mph; 100 km/h). The minimum barometric pressure is 1007 mbar (29.74 inHg), and the system is moving west-northwest at 10 knots (12 mph; 19 km/h). Tropical-storm-force winds extend outward up to 125 miles (205 km) from the center.

For the latest official information, see:

Tropical Storm Rose

Tropical Depression Rose
Current storm status
Tropical depression (1-min mean)
Satellite image
Forecast map
As of:11:00 p.m. AST September 21 (03:00 UTC September 22)
Location:22°54′N 37°54′W / 22.9°N 37.9°W / 22.9; -37.9 (Tropical Depression Rose) ± 30 nm
About 1,020 mi (1,640 km) WNW of the Cabo Verde Islands
Sustained winds:30 knots (35 mph; 55 km/h) (1-min mean)
gusting to 40 knots (45 mph; 75 km/h)
Pressure:1009 mbar (29.80 inHg)
Movement:NW at 9 knots (10 mph; 17 km/h)
See more detailed information.

At 00:00 UTC on September 15, the National Hurricane Center began monitoring a tropical wave approaching the Atlantic coast of Africa.[212] After moving into the far eastern tropical Atlantic, it formed a low pressure center, but remained disorganized. By 03:00 UTC on September 19, the disturbance had acquired a well-defined circulation and enough organized deep convection for it to be designated a tropical depression.[213] Later that day, satellite images showed that the deep convection had increased within the cyclone and that its overall structure had continued to improve. As a result, the cyclone was upgraded to a tropical storm and given the name Rose.[214] As the storm moved northwestward over the eastern tropical Atlantic on September 20–21, it was beset by high wind shear, leaving its low-level circulation center exposed and all of the heavy thunderstorm activity confined to the east side of the center.[211]

Current storm information

As of 11:00 p.m. AST September 21 (03:00 UTC September 22), Tropical Storm Rose is located within 30 nautical miles of 22°54′N 37°54′W / 22.9°N 37.9°W / 22.9; -37.9 (Rose), about 1,020 mi (1,640 km) west-northwest of the Cabo Verde Islands. Maximum sustained winds are 30 knots (35 mph; 55 km/h), with gusts up to 40 knots (45 mph; 75 km/h). The minimum barometric pressure is 1009 mbar (29.80 inHg), and the system is moving northwest at 9 knots (10 mph; 17 km/h). Tropical-storm-force winds extend outwards up to 35 miles (55 km) from the center.

For the latest official information, see:

Storm names

The following names will be used for named storms that form in the North Atlantic in 2021.[215] Retired names, if any, will be announced by the World Meteorological Organization (WMO) in the spring of 2022. The names not retired from this list will be used again in the 2027 season.[215] This is the same list used in the 2015 season, with the exceptions of Elsa and Julian, which replaced Erika and Joaquin, respectively. The names Elsa, Julian, and Rose were used for the first time this year.

  • Odette
  • Peter (active)
  • Rose (active)
  • Sam (unused)
  • Teresa (unused)
  • Victor (unused)
  • Wanda (unused)

If there are more than 21 named storms this season, subsequent storms will take names from an auxiliary list of names approved by the WMO.[215] Previously, the Greek alphabet was used if a season's primary name list was exhausted, which occurred in 2005 and 2020. This practice was discontinued after the 2020 season brought multiple shortcomings to light with the use of the Greek alphabet. Disadvantages to its usage included too much focus on the Greek names themselves, instead of reporting on the impacts of these tropical cyclones, as well as the difficulty in properly retiring and replacing the Greek letter names of devastating storms.[216]

Season effects

This is a table of all of the storms that have formed in the 2021 Atlantic hurricane season. It includes their duration, names, damages, and death totals. Deaths in parentheses are additional and indirect (an example of an indirect death would be a traffic accident), but were still related to that storm. Damage and deaths include totals while the storm was extratropical, a wave, or a low, and all of the damage figures are in 2021 USD.

Saffir–Simpson scale
TD TS C1 C2 C3 C4 C5
2021 North Atlantic tropical cyclone season statistics
Storm
name 		Dates active Storm category
at peak intensity 		Max 1-min
wind
mph (km/h) 		Min.
press.
(mbar) 		Areas affected Damage
(USD) 		Deaths Ref(s)
Ana May 22 – 23 Tropical storm 45 (75) 1004 Bermuda None None
Bill June 14 – 16 Tropical storm 60 (95) 998 East Coast of the United States, Atlantic Canada None None
Claudette June 19 – 22 Tropical storm 45 (75) 1004 Southern Mexico, Southern United States, Atlantic Canada $350 million 4 (10) [217][218][219]
Danny June 28 – 29 Tropical storm 45 (75) 1009 South Carolina, Georgia Minimal None [105]
Elsa July 1 – 9 Category 1 hurricane 85 (140) 991 Lesser Antilles, Venezuela, Greater Antilles, South Atlantic United States, Northeastern United States, Atlantic Canada, Greenland, Iceland $875 million 4 [105]
Fred August 11 – 18 Tropical storm 65 (100) 993 Lesser Antilles, Greater Antilles, The Bahamas, Southeastern United States, Eastern Great Lakes Region, Northeastern United States, Southern Quebec, The Maritimes $1.11 billion 5 (2) [117][155][220][221]
[222]
Grace August 13 – 21 Category 3 hurricane 125 (205) 962 Lesser Antilles, Greater Antilles, Yucatan Peninsula, Central Mexico $513 million 13 (1) [155][223][224][225]
Henri August 16 – 23 Category 1 hurricane 75 (120) 986 Bermuda, Northeastern United States, Southern Nova Scotia $550 million 2 [155][226][227][228]
Ida August 26 – September 1 Category 4 hurricane 150 (240) 929 Venezuela, Colombia, Cayman Islands, Cuba, Southern United States, Northeastern United States, Atlantic Canada ≥ $50.1 billion 72 (43) [151][156][157][158]
[160][229][230][231]
[232][233][234][154]
[155]
Kate August 28 – September 1 Tropical storm 45 (75) 1003 None None None
Julian August 29 – 30 Tropical storm 60 (95) 995 None None None
Larry August 31 – September 11 Category 3 hurricane 125 (205) 955 Lesser Antilles, Bermuda, East Coast of the United States, Nova Scotia, Newfoundland, Saint Pierre and Miquelon, Greenland Unknown 2 [186][187]
Mindy September 8 – 10 Tropical storm 45 (75) 1002 Colombia, Central America, Yucatán Peninsula, Florida, Georgia, South Carolina Unknown None
Nicholas September 12 – 16 Category 1 hurricane 75 (120) 988 Mexico, Gulf Coast of the United States Unknown None
Odette September 17 – 18 Tropical storm 45 (75) 1002 East Coast of the United States, Atlantic Canada None None
Peter September 19 – Present Tropical storm 50 (85) 1004 Hispaniola, Leeward Islands, Puerto Rico None None
Rose September 19 – Present Tropical storm 50 (85) 1003 None None None
Season aggregates
17 systems May 22 – Season ongoing   150 (240) 929 >$53.498 billion 102 (56)  

See also

Notes

  1. ^ Hurricanes reaching Category 3 (111 miles per hour or 179 kilometers per hour) and higher on the five-level Saffir–Simpson wind speed scale are considered major hurricanes.[5]
  2. ^ September 10 is the climatological mid-point of the Atlantic hurricane season.[6]

References

  1. ^ "Hurricane Season Information". Frequently Asked Questions About Hurricanes. Miami, Florida: NOAA Atlantic Oceanographic and Meteorological Laboratory. June 1, 2018. Retrieved April 13, 2021.
  2. ^ Cetoute, Devoun; Harris, Alex (May 22, 2021). "Subtropical Storm Ana forms. It's the seventh year in a row with an early named storm". Miami Herald. Retrieved May 22, 2021.
  3. ^ Klotzbach, Phil (June 28, 2021). "5th Atlantic season on record to have 3 June named storm formations". Twitter. Retrieved June 29, 2021.{{cite web}}: CS1 maint: url-status (link)
  4. ^ Masters, Jeff (July 1, 2021). "Tropical Storm Elsa is earliest fifth named storm on record in the Atlantic". New Haven, Connecticut: Yale Program on Climate Change Communication. Retrieved August 2, 2021.
  5. ^ a b c d "Background Information: North Atlantic Hurricane Season". College Park, Maryland: Climate Prediction Center. May 22, 2019. Retrieved April 5, 2021.
  6. ^ a b c Masters, Jeff (September 9, 2021). "Mindy hits Florida Panhandle; Cat 1 Larry grazes Bermuda; Cat 4 Chanthu takes aim at Taiwan, and Cat 1 Olaf threatens Baja". New Haven, Connecticut: Yale Center for Environmental Communication. Retrieved September 9, 2021.
  7. ^ Allen, Greg (February 26, 2021). "Hurricane Forecasts Will Start Earlier In 2021". NPR. Retrieved February 27, 2021.
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External links

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