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Atlantic Tropical Weather Outlook
2018-09-10 00:58:46| National Hurricane Center (Atlantic)
071 ABNT20 KNHC 092258 TWOAT Tropical Weather Outlook NWS National Hurricane Center Miami FL 800 PM EDT Sun Sep 9 2018 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: The National Hurricane Center is issuing advisories on Hurricane Florence, located over the west-central Atlantic Ocean, on recently upgraded Hurricane Helene, located southwest of the Cabo Verde Islands, and on Tropical Storm Isaac, located over the central tropical Atlantic. The combination of an upper-level trough and a tropical wave over the northwestern Caribbean Sea is producing a large area of disorganized showers and thunderstorms between Cuba and Honduras. The disturbance is forecast to move slowly west-northwestward to northwestward across the northwestern Caribbean Sea and the Yucatan peninsula during the next couple of days, with little or no development expected due to unfavorable upper-level winds and land interaction. However, upper-level winds are forecast to become a little more conducive for development when the system moves across the western Gulf of Mexico Wednesday through Friday. * Formation chance through 48 hours...low...near 0 percent. * Formation chance through 5 days...low...30 percent. A non-tropical area of low pressure is forecast to form in the northeastern Atlantic Ocean several hundred miles west-southwest of the Azores in two or three days. Some slow tropical or subtropical development is possible by the end of the week while the low moves southwestward. * Formation chance through 48 hours...low...near 0 percent. * Formation chance through 5 days...medium...40 percent. $$ Forecaster Stewart
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