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On April 7, 2009, Klotzbach's team issued an updated forecast for the 2009 season, predicting near-average activity (12 named storms, 6 hurricanes, 2 of Category 3 or higher and ACE Index of 100), citing the possible cause as the high probability of a weak El Niño forming during the season. [11]
Hurricane Bill was an unusually large storm and was also the season's strongest, attaining winds of 135 mph (215 km/h). [5] Tropical Storm Claudette was the only storm in 2009 to make landfall in the United States; Hurricane Ida became extratropical shortly before coming ashore in Alabama.
Hurricane Bill, the first hurricane, major hurricane, and most intense hurricane was a powerful Cape Verde-type hurricane that affected areas from the Leeward Islands to Newfoundland. With only 11 tropical depressions and 9 named storms, the 2009 season featured the lowest number of tropical cyclones since the 1997 season , and only one system ...
A high risk severe weather event is the greatest threat level issued by the Storm Prediction Center (SPC) for convective weather events in the United States. On the scale from one to five, a high risk is a level five; thus, high risks are issued only when forecasters at the SPC are confident of a major severe weather outbreak.
Tropical cyclone seasonal forecasting is the process of predicting the number of tropical cyclones in one of the world's seven tropical cyclone basins during a particular tropical cyclone season. In the north Atlantic Ocean, one of the most widely publicized annual predictions comes from the Tropical Meteorology Project at Colorado State ...
Until 2009, the NHC included a line within the cone of uncertainty to illustrate a storm’s forecast direction but stopped doing so over concerns that too much attention was paid to the line ...
Tropical Storm Claudette was 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 south of Tallahassee, Florida.
A graphic from AccuWeather showing the predictions for hurricane season. With warm oceans and more conditions shifting to be more favorable to storm formation, the changes to hurricanes is rising.