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Atlantic Tropical Weather Outlook
2021-09-26 19:43:41| National Hurricane Center (Atlantic)
000 ABNT20 KNHC 261743 TWOAT Tropical Weather Outlook NWS National Hurricane Center Miami FL 200 PM EDT Sun Sep 26 2021 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: The National Hurricane Center is issuing advisories on Hurricane Sam, located about 850 miles east-southeast of the northern Leeward Islands. Showers and thunderstorms have become a little better organized today in association with a surface trough that is the remnants of Peter. Upper-level winds are marginally conducive for some slow development of this disturbance over the next couple of days as it moves northeastward at about 10 mph. By midweek, environmental conditions are expected to become unfavorable for further development. * Formation chance through 48 hours...low...30 percent. * Formation chance through 5 days...low...30 percent. A tropical wave is expected to move off the west coast of Africa on Monday. Environmental conditions are forecast to be conducive for gradual development thereafter, and a tropical depression could form by midweek while the system moves westward to west-northwestward at 10 to 15 mph over the far eastern tropical Atlantic. * Formation chance through 48 hours...low...10 percent. * Formation chance through 5 days...medium...60 percent. A broad area of low pressure is expected to form over the eastern or central tropical Atlantic early this week, to the west of the tropical wave that will be moving off the coast of Africa. Thereafter, environmental conditions are forecast to support some development of this disturbance, and a tropical depression could form by late this week while it moves westward at 5 to 10 mph. * Formation chance through 48 hours...low...near 0 percent. * Formation chance through 5 days...medium...50 percent. $$ Forecaster Latto
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