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Tropical Storm Claudette (2009)

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This article is about the storm of 2009; for other uses see Tropical Storm Claudette.
Tropical Storm Claudette
Tropical storm (SSHWS/NWS)
Tropical Storm Claudette intensifying off the coast of Florida
FormedAugust 16, 2009
DissipatedAugust 18, 2009
Highest winds1-minute sustained: 50 mph (85 km/h)
Lowest pressure1006 mbar (hPa); 29.71 inHg
Fatalities2 direct
Damage$103,000 (2009 USD)
Areas affectedFlorida, Georgia, Alabama and North Carolina
Part of the 2009 Atlantic hurricane season

Tropical Storm Claudette is the third named storm of the 2009 Atlantic hurricane season and the first tropical cyclone of 2009 to affect the United States. Forming out of a tropical wave and an upper-level low pressure system on August 16, Claudette quickly intensified into a tropical storm offshore below Tallahassee, Florida. By the afternoon, the storm had attained winds of 50 mph (85 km/h) and steadily tracked towards the Florida Panhandle. Early on August 17, the center of Claudette made landfall on Santa Rosa Island. Several hours after landfall, the storm weakened to a tropical depression and the Hydrometeorological Prediction Center took over primary responsibility of the storm. Later on August 17, the final public advisory was issued on the system as it dissipated over Georgia.

The National Hurricane Center issued tropical storm warnings for the coastline and residents in some counties were advised to evacuate storm-surge-prone areas. One fatality resulted from rough seas off the coast of Panama City, Florida. Later that day, another man drowned after falling off his ship near Bay County. An EF-0 tornado spawned by the storm in Cape Coral, Florida damaged 11 homes, leaving $103,000 in damages.

Meteorological history

Map plotting the storm's track and intensity, according to the Saffir–Simpson scale
Map key
Saffir–Simpson scale
  Tropical depression (≤38 mph, ≤62 km/h)
  Tropical storm (39–73 mph, 63–118 km/h)
  Category 1 (74–95 mph, 119–153 km/h)
  Category 2 (96–110 mph, 154–177 km/h)
  Category 3 (111–129 mph, 178–208 km/h)
  Category 4 (130–156 mph, 209–251 km/h)
  Category 5 (≥157 mph, ≥252 km/h)
  Unknown
Storm type
triangle Extratropical cyclone, remnant low, tropical disturbance, or monsoon depression

On August 11, the National Hurricane Center (NHC) began monitoring a tropical wave located roughly 600 mi (965 km) east of the Lesser Antilles. Disorganized shower and thunderstorm activity was associated with the westward moving wave; however, the NHC did not anticipate further development of the system.[1] By the afternoon of August 12, little convective activity remained with the wave.[2] Strong upper-level wind shear created an unfavorable environment for the system to re-organize as it tracked through the eastern Caribbean Sea.[3] Late on August 13, the wave tracked over Hispanola while continuing to produce disorganized convective activity.[4] Early the next day, the system began to interact with an upper-level low pressure system over the Turks and Caicos Islands.[5]

By August 15, convection began to consolidate around the center of the system as it passed over the Florida Keys.[6] Early on August 16, the system rapidly organized, with a low-level circulation developing roughly 80 mi (130 km) southwest of Tampa, Florida. Favorable environmental conditions led to the NHC anticipating the system to develop into a tropical depression later that day.[7] Several hours later, the first advisory was issued on Tropical Depression Four. Low wind shear provided an environment that promoted quick development of the cyclone and the storm was forecast to attain tropical storm status within 12 hours. The depression tracked northwest around the periphery of a subtropical ridge to the east.[8] Around 11:00 am EDT, the NHC upgraded the depression to a tropical storm and gave it the name Claudette in light of information from the NEXRAD Doppler weather radar in Tallahassee, Florida that found winds of 40 mph (65 km/h) around the center of circulation.[9]

During the afternoon of August 16, a brief increase in wind shear due to a trough over the southeastern United States, caused the center to become exposed. By this time, maximum winds around the center of Claudette increased to 50 mph (85 km/h).[10] Around 1:10 am EDT (0510 UTC) on August 17, the center of Claudette made landfall near the eastern end of Santa Rosa Island at peak intensity.[11] Shortly after landfall, the barometric pressure decreased to 1006 mbar (hPa; 29.71 inHg), the lowest pressure recorded in associated with the storm.[12] Several hours after landfall, convection associated with the storm quickly decreased[13] and by 8:00 am EDT, the NHC issued their final advisory on Claudette as it weakened to a tropical depression. At this time, the Hydrometeorological Prediction Center (HPC) began issuing advisories on the system.[14] The HPC issued their final advisory late on August 17 as the remnants of Claudette began to dissipate over Georgia.[15]

Preparations

Tropical Storm Claudette intensifying on August 16

Upon being classified a tropical depression, the National Hurricane Center issued a tropical storm warning for areas between the Alabama-Florida border and the mouth of the Suwanee River.[16] Residents in these areas were urged to quickly prepare for the storm by ensuring their hurricane kit was fully stocked and ready.[17] East of the center of Claudette, along western Florida, residents were warned about possible heavy rainfall that could cause flooding.[18] Storm surge near where the storm was forecast to make landfall was expected to reach 3 to 5 ft (0.91 to 1.52 m).[19] Residents in areas of Wakulla County prone to storm surge were urged to evacuate before the arrival of the storm by the Wakulla County Emergency Management Office.[20] Shortly after 3:00 pm EDT, the National Weather Service in Mobile, Alabama issued a tropical storm wind warning for areas between Destin, Florida and Pascagoula, Mississippi.[21] A flood watch was also issued for most of the Florida Panhandle, as rainfall from Claudette was anticipated to exceed 7 in (180 mm).[22] An inland tropical storm warning was also issued for most of southeastern Alabama.[23]

During the afternoon of August 16, officials issued a mandatory evacuation order for residents in St. Joseph Peninsula State Park and Stone State Park on Cape San Blas in Gulf County, Florida.[24] Two shelters were opened in Bay County, one at the Dean Bozeman High School and the other at Bozeman Learning Center. Voluntary evacuation orders were also given to residents living in low-lying areas along the coastline.[25] Although no plans were put in place to open shelters, the Emergency Operations Center in Washington County raised their activation level to stage two.[26] In Franklin County, the Emergency Operations Center was placed at stage three and voluntary evacuation orders were issued for Alligator Point.[27] After an afternoon briefing, officials in Walton County declared a State of Emergency based on available information on the storm.[28] In Wakulla County, the American Red Cross opened a shelter in Crawfordville at a local church.[29]

Impact

Florida

Storm total rainfall for Claudette

By the evening of August 16, upwards of 1.71 in (43 mm) of rain had fallen in parts of Franklin County.[30] In Apalachicola, a daily record of 3.57 in (91 mm) of rain fell on August 16, surpassing the previous record set in 1931.[31] However, with an exception of a tree falling across U.S. Route 98, no damage was caused to Apalachicola.[32]

A tornado was reported near Cape Coral and multiple tornado warnings were issued for Florida in association with rain bands from the storm.[33][34] Twenty-three homes were damaged by the tornado in Cape Coral.[35] Damages to 11 out of 23 of the homes from the tornado amounted to roughly $103,000.[36][37] Florida Governor Charlie Crist briefly toured the damage from the tornado.[38] The tornado was later rated EF-0 on the Enhanced Fujita Scale with winds between 70 and 80 mph (110 and 120 km/h).[39][40] The National Weather Service also stated that the tornado was on the ground for 0.35 mi (0.56 km) between 4:42 pm and 4:45 pm EDT.[39]

By the dissipation of the storm, a maximum of 5.62 in (143 mm) of rain fell in Big Coppitt Key.[41]

One drowning was reported off Panama City, Florida.[42] By the early evening, officials closed down a 1 mi (1.6 km) segment of Highway 20 due to a fallen tree and power line. In Leon County, a total of 440 residences lost power.[43] By 9:40 pm EDT, the highway was reopened and power to all 440 homes was restored.[44] Other power outages were reported near Parker and in downtown Panama City but power has been restored in the latter.[45] Roughly 500 residences were left without power in Walton County.[46]

Tropical Depression Claudette weakening over Alabama

In Okaloosa County, up to 1,267 residents lost power during the storm. Most of the residents had their power restored within a few hours; however, due to continuing wind damage, scattered power outages, affecting up to 500 homes at a time, occurred throughout the county.[47] A second fatality occurred after a man was knocked off his ship near the coast of Bay County. Rescuers managed to reach him but during the rescue, he fell off the life raft and was lost. The search was later called off as he was presumed dead.[48]

Elsewhere

Upon making landfall, flash flood watches were issued for parts of southern Alabama due to the threat of heavy rainfall.[49] In the state, Claudette produced widespread moderate rainfall, peaking at 2.11 in (54 mm) in Bradley.[15] Some areas received up to 2 in (51 mm) in a two-hour span, prompting the National Weather Service to issue flash flood warnings.[50] Flash flood watches were also issued for Hale, Sumter and Perry counties.[51] In Georgia outer bands of the storm also a maximum of 2.37 in (60 mm) at Fort Benning.[15]

The outer bands of Claudette reportedly produced torrential rains in parts of North Carolina, amounting to more than 4 in (100 mm) within an hour on August 16. In Charlotte, flooding inundated several streets, stranding cars and residents in their homes. In Wakefield, firefighters had to rescue 20 people from their apartments.[52] A maximum of 4.5 in (110 mm) fell at Collinswood Elementary School, roughly 1 mi (1.6 km) south of uptown Charlotte.[53] A total of 14 roads were closed due to flooding.[54]

See also

Template:Tcportal

References

  1. ^ Richard Pasch (August 11, 2009). "Tropical Weather Outlook". National Hurricane Center. Retrieved August 16, 2009.
  2. ^ Jack Beven (August 12, 2009). "Tropical Weather Outlook". National Hurricane Center. Retrieved August 16, 2009.
  3. ^ Lixion A. Avila (August 12, 2009). "Tropical Weather Outlook". National Hurricane Center. Retrieved August 16, 2009.
  4. ^ Lixion A. Avila (August 13, 2009). "Tropical Weather Outlook". National Hurricane Center. Retrieved August 16, 2009.
  5. ^ Michael Brennan (August 14, 2009). "Tropical Weather Outlook". National Hurricane Center. Retrieved August 16, 2009.
  6. ^ Jack Beven (August 15, 2009). "Tropical Weather Outlook". National Hurricane Center. Retrieved August 16, 2009.
  7. ^ James Franklin and Robbie Berg (August 16, 2009). "Tropical Weather Outlook". Retrieved August 16, 2009.
  8. ^ James Franklin (August 16, 2009). "Tropical Depression Four Discussion One". National Hurricane Center. Retrieved August 16, 2009.
  9. ^ David Roberts and Michael Brennan (August 16, 2009). "Tropical Storm Claudette Tropical Cyclone Update". National Hurricane Center. Retrieved August 16, 2009.
  10. ^ Michael Brennan and David Roberts (August 16, 2009). "Tropical Storm Claudette Discussion Four". National Hurricane Center. Retrieved August 16, 2009.
  11. ^ Dan Brown (August 17, 2009). "Tropical Storm Claudette Tropical Cyclone Update". National Hurricane Center. Retrieved August 17, 2009.
  12. ^ Dan Brown (August 17, 2009). "Tropical Storm Claudette Public Advisory Five-A". National Hurricane Center. Retrieved August 17, 2009.
  13. ^ Dan Brown (August 17, 2009). "Tropical Storm Claudette Discussion Six". National Hurricane Center. Retrieved August 17, 2009.
  14. ^ Michael Brennan and David Roberts (August 17, 2009). "Tropical Depression Claudette Public Advisory Six-A". National Hurricane Center. Retrieved August 17, 2009.
  15. ^ a b c Brendon Rubin-Oster, Frank James Pereira and Robert Oravec (August 18, 2009). "Tropical Depression Claudette Public Advisory Nine (Final)". Hydrometeorological Prediction Center. Retrieved August 18, 2009.
  16. ^ James Franklin (August 16, 2009). "Tropical Depression Four Public Advisory One". National Hurricane Center. Retrieved August 16, 2009.
  17. ^ Melissa Nelson (August 16, 2009). "Tropical Storm Claudette forms off the Fla. coast". Associated Press. Retrieved August 16, 2009.
  18. ^ Associated Press (August 16, 2009). "Tropical Storm Claudette churns off Florida's gulf coast; storm warnings along Panhandle, Big Bend". St. Petersburg Times. Retrieved August 16, 2009. {{cite web}}: Italic or bold markup not allowed in: |publisher= (help)
  19. ^ Staff Writer (August 16, 2009). "TD #4 Upgraded To Tropical Storm Claudette". CBS4. Retrieved August 16, 2009.
  20. ^ Scott L. Nelson (August 16, 2009). "Coastal Flooding Expected in Wakulla County fromTropical Storm Claudette". Wakulla News. Retrieved August 16, 2009. {{cite web}}: Italic or bold markup not allowed in: |publisher= (help)
  21. ^ National Weather Service in Mobile, Alabama (August 16, 2009). "Hurricane Local Statement for ANA". National Hurricane Center. Retrieved August 16, 2009.
  22. ^ National Weather Service in Tallahassee, Florida (August 16, 2009). "Areal Flood Watch". Weather Underground. Retrieved August 16, 2009.
  23. ^ National Weather Service (August 16, 2009). "Inland Tropical Storm Warning". Weather Underground. Retrieved August 16, 2009.
  24. ^ Staff Writer (August 16, 2009). "Severe Weather - Gulf County". WMBB13. Retrieved August 16, 2009.
  25. ^ Staff Writer (August 16, 2009). "Severe Weather - Bay County". WMBB13. Retrieved August 16, 2009.
  26. ^ Staff Writer (August 16, 2009). "Severe Weather - Washington County". WMBB13. Retrieved August 16, 2009.
  27. ^ Staff Writer (August 16, 2009). "Severe Weather - Franklin County". WMBB13. Retrieved August 16, 2009.
  28. ^ Staff Writer (August 16, 2009). "Local state of emergency declared". Chipley Bugle. Retrieved August 16, 2009. {{cite web}}: Italic or bold markup not allowed in: |publisher= (help)
  29. ^ Staff Writer (August 16, 2009). "Updated: Crawfordville church open to those seeking shelter from Tropical Storm Claudette". Tallahassee Democrat. Retrieved August 16, 2009. {{cite web}}: Italic or bold markup not allowed in: |publisher= (help)
  30. ^ Local Resident of Franklin County, Florida (August 16, 2009). "Daily Summary for August 16, 2009: White City, Franklin County, Florida". Weather Underground. Retrieved August 16, 2009.
  31. ^ National Weather Service (August 17, 2009). "Record Report". Weather Underground. Retrieved August 17, 2009.
  32. ^ Staff Report (August 16, 2009). "Update: Tropical Storm Claudette headed west of Panama City". Tallahassee Democrat. Retrieved August 16, 2009. {{cite web}}: Italic or bold markup not allowed in: |publisher= (help)
  33. ^ "090816's Storm Report". NOAA. Storm Prediction Center. August 16, 2009. Retrieved August 16, 2009.
  34. ^ "Tornado warning for Charlotte Lee counties". WBBH - NBC2. August 16, 2009. Retrieved August 16, 2009.
  35. ^ Umpierre, Chris (August 17, 2009). "Cape tornado: Resident describes near miss". The News-Press. Retrieved August 17, 2009. {{cite web}}: Italic or bold markup not allowed in: |publisher= (help)
  36. ^ Connor Holmes (August 17, 2009). "Tornado damages 23 homes". Cape-Coral-Daily-Breeze. Retrieved August 17, 2009. {{cite web}}: Italic or bold markup not allowed in: |publisher= (help)
  37. ^ Heather L. Ryan (August 18, 2009). "Tornado strikes Fort Myers area". Justice News Flash. Retrieved August 18, 2009.
  38. ^ Williams, Leslie (August 17, 2009). "Gov. touts benefits of charter schools during Fort Myers stop". Naplesnews. Scripps Interactive Newspapers Group. Retrieved August 17, 2009.
  39. ^ a b Dan Noah (August 19, 2009). "Cape Coral Tornado on August 16, 2009" (PDF). National Weather Service in Tampa Bay, Florida. Retrieved September 2, 2009.
  40. ^ JL Watson (August 18, 2009). "Governor Crist views Cape Coral tornado damage". News-Press. Retrieved August 18, 2009. {{cite web}}: Italic or bold markup not allowed in: |publisher= (help)
  41. ^ David M. Roth (August 19, 2009). "Tropical Storm Claudette rainfall map". Hydrometeorological Prediction Center. Retrieved August 20, 2009.
  42. ^ Murray, Bill (August 16, 2009). "Drowning Reported in Panama City". Channel 33/40. ABC. Retrieved August 16, 2009. {{cite web}}: Italic or bold markup not allowed in: |work= (help)
  43. ^ Staff Writer (August 16, 2009). "Updated: Highway 20 lone road closure in Big Bend area; report outages, road closures". Tallahassee Democrat. Retrieved August 16, 2009. {{cite web}}: Italic or bold markup not allowed in: |publisher= (help)
  44. ^ Staff Writer (August 16, 2009). "Updated: Highway 20 reopened ; report outages, road closures". Tallahassee Democrat. Retrieved August 16, 2009. {{cite web}}: Italic or bold markup not allowed in: |publisher= (help)
  45. ^ "TS Claudette 9:20 p.m.: Power back on in downtown P.C. (with photos)". News Herald. August 16, 2009. Retrieved August 17, 2009.
  46. ^ Debbie Wheeler (August 18, 2009). "Claudette does little damage". The Walton Sun. Retrieved August 18, 2009. {{cite web}}: Italic or bold markup not allowed in: |publisher= (help)
  47. ^ Sean Flynn (August 17, 2009). "Okaloosa County weathers Claudette; no injuries reported". Northwest Florida Daily News. Retrieved August 17, 2009. {{cite web}}: Italic or bold markup not allowed in: |publisher= (help)
  48. ^ Don Germaise (August 17, 2009). "Claudette claims 1st fatality". ABC Action News. Retrieved August 17, 2009.
  49. ^ Marybeth Gerhardt (August 17, 2009). "Tropical Depression Claudette Advisory Seven". Hydrometeorological Prediction Center. Retrieved September 2, 2009.
  50. ^ Dennis Sherer (August 18, 2009). "Tropical storm fizzles in north Alabama". Times Daily. Retrieved August 18, 2009. {{cite web}}: Italic or bold markup not allowed in: |publisher= (help)
  51. ^ Stephanie Taylor (August 17, 2009). "Tropical Storm Claudette moves into West Alabama". Tuscaloosa News. Retrieved September 2, 2009. {{cite web}}: Italic or bold markup not allowed in: |publisher= (help)
  52. ^ Staff Writer (August 16, 2009). "Charlotte Prepares For Another Round Of Flooding". WSOCTV9. Retrieved August 16, 2009.
  53. ^ Steve Lyttle and Ely Portillo (August 17, 2009). "Heavy rain floods parts of Charlotte". Charlotte Obsever. Retrieved August 17, 2009. {{cite web}}: Italic or bold markup not allowed in: |publisher= (help)
  54. ^ Steve Lyttle (August 16, 2009). "Mecklenburg is under flash flood warning". Charlotte Obsever. Retrieved August 17, 2009. {{cite web}}: Italic or bold markup not allowed in: |publisher= (help)

External links

Wikimedia Commons has media related to Tropical Storm Claudette (2009).
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