Wednesday, July 21, 2010

Tropical wave update

Upper-level winds could become a little more favorable Thursday for development of a tropical wave stalking the Caribbean.

Unfavorable winds and the effects of the high terrain of Hispaniola disrupted the structure of the wave Wednesday morning as it approached the southeastern Bahamas.

Showers and gusty winds extended eastward for several hundred miles. That activity was likely to spread over the Bahamas over the next day or two as the wave moved generally westward at 10 to 15 mph.

As of 2 p.m. Wednesday, there was a medium chance, 50 percent, of this system becoming a tropical cyclone over the next 48 hours.

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