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Hurricane Tomas

Hurricane Tomas track

Hurricane Tomas was the nineteenth named storm and twelfth hurricane of the 2010 Atlantic hurricane season. Tomas developed from a tropical wave east of the Windward Islands on October 29, 2010. Quickly intensifying into a hurricane, it moved through the Windward Islands and passed very near Saint Lucia. After reaching Category 2 status on the Saffir-Simpson scale, Tomas quickly weakened to a tropical storm in the central Caribbean Sea, due to strong wind shear and dry air. Tomas later regained hurricane status.

On October 31, Hurricane Tomas passed very near Saint Lucia as an intensifying cyclone, producing 92 mph (148 km/h) winds on the island. By later in the day, it became increasingly better organized, and reports from the Hurricane Hunters indicated that the winds increased to 100 mph (160 km/h), a Category 2 on the Saffir-Simpson scale. Concurrently, the storm was being impacted by southwesternly wind shear, which computer models forecasted to increase. Despite the shear, Tomas was forecast to strengthen into a major hurricane. However, Tomas weakened as the convection waned near the centre, due to the shear and dry air, and by early on November 1 diminished to tropical storm status. Later that day, the storm was described as a "highly sheared tropical cyclone", because the circulation became dislocated from the convection by more than 100 miles (160 km). As a result, the winds were estimated to have decreased to 45 mph (75 km/h), although an area of thunderstorms reformed northeast of the centre. Over the subsequent day the structure became better organized, with more deep convection over the centre due to lighter shear and a moister environment. However, the structure again deteriorated, and Tomas weakened to tropical depression status on November 3 about 325 miles (520 km) southeast of Kingston, Jamaica.

As it turned northeastward through the Windward Passage, Tomas regained hurricane status by 0900 UTC on November 5, just 36 miles (58 km) west-southwest of the western tip of Haiti.

After re-attaining hurricane status, Tomas accelerated to the northeast due to an approaching trough, passing between eastern Cuba and western Haiti. Due to land interaction, the convection became slightly ragged-looking near the center, although atmospheric conditions favored continued intensification. During the afternoon of Novemer 7, strong wind shear caused Tomas to weaken back to a tropical depression Late on November 7, the National Hurricane Center issued its last advisory on Tomas as it became an extratropical storm.

Hurricane Tomas has caused neither fatal victims nor considerable property damage in Cuba after crossing close to the eastern tip of the island on 05. November 2010, Civil Defense authorities reported. Heavy rains were reported in the Cuban easternmost province of Guantanamo and also in the municipalities of Moa, Frank Pais, Sagua de Tanamo, Mayari, Antilla and Gibara, in Holguin; coastal flooding and a dozen collapsed houses have been also reported in those areas.

Hurricane Tomas - Sequence of Events (Public Advisories)

2010-11-06 07 GMT – Tropical storm warnings for Cuba (the province of Guantanamo) and the central Bahamas have been discontinued.

2010-11-06 05.00 GMT – Cuba’s Civil Defense authorities informed late Firday that no fatal victims nor considerable material damage have been reported so far from the passing of Hurricane Tomas through the Winward Strait close to far eastern Guantanamo province earlier in the day. Heavy rains fell on several Guantanamo and Holguin municipalities noted the military officers in charge of Civil Defense. Tomas weakened to a tropical storm.

2010-11-05 12.00 GMT – A hurricane warning is in effect for the Cuban province of Guantanamo, while a tropical storm warning remains for the provinces of Santiago de Cuba and Holguin.
A hurricane warning means that hurricane conditions (winds stronger than 75mph or 120km/h) are to be expected somewhere within the warning area in the next 48 hours. Maritime flags indicate this with two square red flags with a black square in the middle of each.

2010-11-05 09.00 GMT– A tropical storm has regained hurricane strength as it powers towards Haiti, threatening earthquake survivors. Hurricane Tomas is packing winds of 80mph (130 kph) and is expected to gain in strength as it moves north-east. The US National Hurricane Centre says the centre of the hurricane will pass near western Haiti later on Friday.Tomas should intensify over the next 24 hours and then lose strength by the end of the weekend. The NHC has warned of hurricane conditions - winds of 119km/h (74mph) or greater - for Haiti, the south-eastern Bahamas, the Caicos Islands and the Cuban province of Guantanamo. It also issued a tropical storm warning for Jamaica and the Cuban provinces of Santiago de Cuba and Holguin.

2010-11-04 10.00 GMT– A tropical storm watch is in effect for the cuban provinces of Guantanamo, Santiago de Cuba and Holguin.
A tropical storm watch is issued when tropical storm with winds from 39-73mph (63-117km/h) pose a possible threat to a certain coastal area within 48 hours. Maritime flags indicate this with a single square red flag.

2010-11-04 09.00 GMT - Tropical Storm Tomas has been located about 160 miles (260km) southeast of Kingston, Jamaica. The Government of Jamaica has issued a tropical storm warning for Jamaica.

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cuba hurricanes .org - Cuba Recent Hurricanes, Hurricane Tomas