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Atlantic Tropical Weather Outlook
2017-09-30 13:28:38| National Hurricane Center (Atlantic)
000 ABNT20 KNHC 301128 TWOAT Tropical Weather Outlook NWS National Hurricane Center Miami FL 800 AM EDT Sat Sep 30 2017 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: The National Hurricane Center is issuing advisories on Tropical Storm Maria, located several hundred miles south-southeast of Cape Race, Newfoundland, and has issued the last advisory on Post- Tropical Cyclone Lee, located almost 800 miles north-northwest of the Azores. The combination of a broad trough of low pressure over Florida and an upper-level low over the Gulf of Mexico is producing disorganized cloudiness and showers that extend from the northwestern Caribbean Sea northward across much of the Florida peninsula and the adjacent waters. Environmental conditions have become less conducive for development and the chance of tropical cyclone formation has decreased. Nevertheless, locally heavy rainfall will likely continue over portions of western Cuba, the Florida Keys, and the Florida peninsula during the next several days while the system moves slowly northward and then westward near northern Florida and the northeastern Gulf of Mexico. * Formation chance through 48 hours...low...20 percent. * Formation chance through 5 days...low...20 percent. A tropical wave interacting with an upper-level low is producing a large but disorganized area of cloudiness and showers extending from the eastern Caribbean Sea northeastward across the Lesser Antilles to the nearby Atlantic waters. Environmental conditions have become unfavorable for development and tropical cyclone formation is not anticipated. This system is forecast to move west-northwestward to westward at 10 to 15 mph during the next few days bringing locally heavy rainfall over portions of the northern Leeward Islands and the Greater Antilles during the next several days. A Flash Flood Watch in effect for Puerto Rico and the U.S. Virgin Islands through late Sunday night. * Formation chance through 48 hours...low...near 0 percent. * Formation chance through 5 days...low...near 0 percent. $$ Forecaster Avila
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