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Atlantic Tropical Weather Outlook
2021-09-28 07:15:18| National Hurricane Center (Atlantic)
000 ABNT20 KNHC 280515 TWOAT Tropical Weather Outlook NWS National Hurricane Center Miami FL 200 AM EDT Tue Sep 28 2021 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: The National Hurricane Center is issuing advisories on Hurricane Sam, located several hundred miles east of the northern Leeward Islands. A broad area of low pressure located several hundred miles southwest of the Cabo Verde Islands is producing a large area of disorganized showers and thunderstorms. Environmental conditions are conducive for further development, and a tropical depression is likely to form during the next day or two while the system moves westward to west-northwestward at 5 to 10 mph over the central tropical Atlantic. * Formation chance through 48 hours...high...70 percent. * Formation chance through 5 days...high...90 percent. A tropical wave located over the far eastern tropical Atlantic several hundred miles southeast of the Cabo Verde Islands continues to produce a large area of disorganized showers and thunderstorms. Upper-level winds are conducive for gradual development, and a tropical depression is likely to form in a day or two while the disturbance moves westward to west-northwestward at 10 to 15 mph over the far eastern tropical Atlantic. * Formation chance through 48 hours...high...70 percent. * Formation chance through 5 days...high...90 percent. A well-defined low pressure area associated with the remnants of Peter is located a few hundred miles east of Bermuda. The shower and thunderstorm activity associated with this system has become less organized since early Monday. Although strong upper-level winds are likely to prevent significant development, this system could still become a short-lived tropical depression later today or tonight while it moves northeastward at about 10 mph. By Wednesday, however, conditions are expected to become unfavorable for further development. * Formation chance through 48 hours...medium...50 percent. * Formation chance through 5 days...medium...50 percent. $$ Forecaster Brown
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