Wednesday, May 20, 2009

Storm to Impact Other Southerners


Florida will not be the only state that the potent storm impacts in the upcoming days. The high pressure that kept the rest of the South dry on Tuesday and will continue to do so today will depart on Thursday. The door will then be opened for moisture to pour northward, allowing thunderstorms to erupt.
The thunderstorms will spread over South Carolina and the central Gulf Coast states on Thursday, then more Western on Friday. Most of the thunderstorms will wait until the afternoon to ignite. The unsettled weather will expand from the Tennessee Valley to Texas on Friday and Saturday. Thunderstorms along the central Gulf Coast may become more numerous this day as the storm approaches. Winds will be nothing major, but breezy for several days. 30-35 mph as this low rides it's course.

Will the Storm Get Named?

The storm that will continue to pound Florida today is churning over the eastern Gulf of Mexico. With the official start of the 2009 Atlantic Hurricane Season right around the corner, it cannot be ruled out that the storm gains at least some tropical characteristics.
A storm that becomes partially tropical is classified as a subtropical system. It acquires a name off the official tropical storm list when its maximum sustained winds reach or exceed 39 mph. Ana would be assigned to the first named system in the Atlantic Basin this year.
While it cannot be ruled out, I am not forecasting the storm to gain tropical characteristics. The storm is currently in an environment where its center is colder than its surroundings. The opposite should take place within the structure of a hurricane. The water temperature in the Gulf of Mexico, well away from land, would support warming within the storm's center. The system, however, will likely not spend enough time over this warm water, rather half on and half off.
Next update: 1400cdt 5202009

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