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Atlantic Tropical Weather Outlook
2021-05-21 07:18:49| National Hurricane Center (Atlantic)
000 ABNT20 KNHC 210518 TWOAT Tropical Weather Outlook NWS National Hurricane Center Miami FL 200 AM EDT Fri May 21 2021 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: A non-tropical low pressure area located about 500 miles east- northeast of Bermuda is producing winds to storm force and disorganized showers and thunderstorms. The low is expected to move west-southwestward over warmer waters during the next day or so, and it will likely become a subtropical cyclone later today or on Saturday near or to the northeast of Bermuda. Thereafter, the low is forecast to move northeastward into a more hostile environment by Saturday night or Sunday. Additional information on this low pressure area can be found in High Seas forecasts issued by the NOAA Ocean Prediction Center and forecast products, including a tropical storm watch, issued by the Bermuda Weather Service. * Formation chance through 48 hours...high...80 percent. * Formation chance through 5 days...high...80 percent. A surface trough and a mid- to upper-level disturbance over the western Gulf of Mexico are producing disorganized showers and thunderstorms. Environmental conditions are expected to be marginally conducive for development before the disturbance moves inland over the northwestern Gulf coast tonight. Regardless of development, the system could produce heavy rainfall over portions of southeastern Texas and southwestern Louisiana during the next few days. Additional information on the rainfall and flooding potential can be found in products issued by your local National Weather Service Forecast Office. * Formation chance through 48 hours...low...20 percent. * Formation chance through 5 days...low...20 percent. && High Seas Forecasts issued by the National Weather Service can be found under AWIPS header NFDHSFAT1, WMO header FZNT01 KWBC, and online at ocean.weather.gov/shtml/NFDHSFAT1.php $$ Forecaster Cangialosi
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