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Tropical Storm Ana (2009)

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This article is about the Atlantic tropical storm of 2009; for other storms with this name, see Tropical Storm Ana.
Tropical Storm Ana
Tropical storm (SSHWS/NWS)
Ana as a tropical storm on August 12
FormedAugust 11, 2009
DissipatedAugust 17, 2009
Highest winds1-minute sustained: 40 mph (65 km/h)
Lowest pressure1004 mbar (hPa); 29.65 inHg
FatalitiesNone reported
DamageMinimal
Areas affectedLesser Antilles, Puerto Rico, Dominican Republic, Haiti, Cuba and The Bahamas
Part of the 2009 Atlantic hurricane season

Tropical Storm Ana was the first tropical storm of the 2009 Atlantic hurricane season. It was also the first tropical cyclone to affect the Caribbean during 2009. The storm formed on August 11, but strong wind shear weakened it on August 13. Ana later reformed and became a tropical storm on August 15 before wind shear tore apart the storm again. The storm finally died on August 17.

Between August 15 and 17, the National Hurricane Center (NHC) gave out tropical storm watches to some Caribbean islands like the Lesser Antilles, Puerto Rico, and the Dominican Republic. Some people took a few precautions. Most of the damage from Ana was in the form of rain.

Storm history

Storm path

A tropical wave formed over the Cape Verde islands on August 9.[1][2] The NHC started watching the storm to see if it would turn into a tropical cyclone. It became a tropical depression on August 11.[3] By then, the storm had a lot of thunderstorm activity near its center. On August 12, the NHC said that the storm was close to tropical storm-stength. While the storm was still alive, it was not called a tropical storm.[4] However it was later found that the storm had actually reached tropical storm strength winds.[5] The next day, the storm began to weaken and fall apart because of wind shear and dry air. The remains of the storm moved west across the Atlantic Ocean.[6]

On August 14, the NHC saw that the storm was reforming.[7] Later that day, a Hurricane Hunter airplane flew into the storm and the NHC started to follow the storm again.[8][9] On August 15, the storm was given the name Ana after it reached tropical storm strength.[10] Soon wind shear started to affect Ana again.[11] The next day, the storm moved into an area of dry air over the Caribbean Sea.[12] Ana weakened into a depression after another Hurricane Hunter airplane found no tropical storm-winds.[13] The storm's circulation fell apart and Ana finally died on August 17.[14]

Preparations and impact

Forecast track for Ana on August 16 and tropical storm watches at the 23rd advisory.

On August 15, a tropical storm watch was given to the islands of St. Maarten, Saba, St. Eustatius,[15] Antigua, Barbuda, the British Virgin Islands, Montserrat, St. Kitts and Nevis, Anguilla,[16] and the United States Virgin Islands. Later on August 17, Puerto Rico,[17] Dominica,[18] Guadeloupe, St. Martin, and St. Barthelemy were also put on tropical storm watch.[19] When Ana weakened into a remnant low later that day, all watches were stopped.[20]

In St. Thomas, wind speeds from Ana were recorded at 28 mph (45 km/h) and gusts peaked at 40 mph (65 km/h).[21] Also, a lot of rainfall created flooding in Puerto Rico. But there was only little damage done.[22] At most, 4 in (100 mm) of rain fell on the island.[23] Some streets had to be shut down because of the flooding. About 6,000 people lost electricity from the storm.[21] Tree branches broke down power lines. People also reported tornadoes and waterspouts created by Ana in Puerto Rico.[23] The remains of Ana brought rainfall to parts of Hispaniola. But no damage was reported.[24]

References

  1. ↑ Jack Beven (August 9, 2009). "Tropical Weather Outlook". National Hurricane Center. Retrieved August 16, 2009.[permanent dead link]
  2. ↑ Robbie Berg and Richard Pasch (August 9, 2009). "Tropical Weather Outlook". National Hurricane Center. Retrieved August 17, 2009.[permanent dead link]
  3. ↑ Richard Pasch (August 11, 2009). "Tropical Depression Two Special Advisory One". National Hurricane Center. Retrieved August 19, 2009.
  4. ↑ Todd Kimberlain, Eric Brown and Ariel Cohen (August 12, 2009). "Tropical Depression Two Discussion Four". National Hurricane Center. Retrieved August 19, 2009.
  5. ↑ National Hurricane Center (August 17, 2009). "Best Track for Tropical Storm 02L (Ana)". National Oceanic and Atmospheric Administration. Retrieved August 19, 2009.
  6. ↑ Jack Beven (August 13, 2009). "Tropical Depression Two Advisory Eleven". National Hurricane Center. Retrieved August 19, 2009.
  7. ↑ Jack Beven (August 14, 2009). "Tropical Weather Outlook". National Hurricane Center. Retrieved August 19, 2009.[permanent dead link]
  8. ↑ Lixion A. Avila (August 14, 2009). "Tropical Weather Outlook". National Hurricane Center. Retrieved August 19, 2009.[permanent dead link]
  9. ↑ Eric Blake and Michael Brennan (August 14, 2009). "Tropical Depression Two Special Advisory Twelve". National Hurricane Center. Retrieved August 19, 2009.
  10. ↑ Eric Blake (August 15, 2009). "Tropical Storm Ana Discussion Thirteen". National Hurricane Center. Retrieved August 19, 2009.
  11. ↑ Lixion A. Avila (August 15, 2009). "Tropical Storm Ana Discussion Sixteen". National Hurricane Center. Retrieved August 19, 2009.
  12. ↑ Michael Brennan and David Roberts (August 16, 2009). "Tropical Storm Ana Discussion Eighteen". National Hurricane Center. Retrieved August 19, 2009.
  13. ↑ Michael Brennan and David Roberts (August 16, 2009). "Tropical Depression Ana Discussion Nineteen". National Hurricane Center. Retrieved August 19, 2009.
  14. ↑ John Cangialosi and James Franklin (August 17, 2009). "Tropical Depression Ana Discussion Twenty-Three (Final)". National Hurricane Center. Retrieved August 19, 2009.
  15. ↑ Jack Beven (August 15, 2009). "Tropical Storm Ana Public Advisory Fifteen". National Hurricane Center. Retrieved August 17, 2009.
  16. ↑ Lixion Avila (August 15, 2009). "Tropical Storm Ana Public Advisory Sixteen". National Hurricane Center. Retrieved August 17, 2009.
  17. ↑ James Franklin (August 16, 2009). "Tropical Storm Ana Public Advisory Seventeen". National Hurricane Center. Retrieved August 17, 2009.
  18. ↑ Michael Brennan and David Roberts (August 16, 2009). "Tropical Storm Ana Public Advisory Eighteen". National Hurricane Center. Retrieved August 17, 2009.
  19. ↑ Michael Brennan (August 16, 2009). "Tropical Storm Ana Tropical Cyclone Update". National Hurricane Center. Retrieved August 17, 2009.
  20. ↑ James Franklin and John Cangialosi (August 17, 2009). "Tropical Depression Ana Public Advisory Twenty-Three (Final)". National Hurricane Center. Retrieved August 18, 2009.
  21. ↑ 21.0 21.1 (in Spanish) Gerardo E. (August 18, 2009). "Ana se deja sentir en la Isla". El Nuevo Dia. Archived from the original on August 14, 2011. Retrieved August 18, 2009.
  22. ↑ Associated Press (August 17, 2009). "Tropical Depression Ana soaks Puerto Rico". Taiwan News. Archived from the original on January 29, 2016. Retrieved August 17, 2009.
  23. ↑ 23.0 23.1 Staff Writer (August 17, 2009). "Depresión tropical Ana se deja sentir en la Isla". Notiuno. Archived from the original on February 22, 2012. Retrieved August 19, 2009.
  24. ↑ (in Spanish) Associated Press (August 18, 2009). "Huracán Bill alcanza categoría 3; Ana se disipa". El Universal. Archived from the original on June 6, 2011. Retrieved August 18, 2009.

Other websites

Tropical cyclones of the 2009 Atlantic hurricane season

Saffir–Simpson Hurricane Scale
TD TS C1 C2 C3 C4 C5
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