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Atlantic Tropical Weather Outlook
2021-09-13 01:28:48| National Hurricane Center (Atlantic)
000 ABNT20 KNHC 122328 TWOAT Tropical Weather Outlook NWS National Hurricane Center Miami FL 800 PM EDT Sun Sep 12 2021 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: The National Hurricane Center is issuing advisories on Tropical Storm Nicholas, located over the southwestern Gulf of Mexico. A tropical wave is expected to emerge off the west coast of Africa on Monday. Environmental conditions are forecast to be conducive for some gradual development of this system thereafter, and a tropical depression could form later this week while it moves westward at 10 to 15 mph across the eastern tropical Atlantic Ocean. * Formation chance through 48 hours...low...20 percent. * Formation chance through 5 days...medium...60 percent. Showers and thunderstorms are very limited in association with a non-tropical area of low pressure over the far northeastern Atlantic, located a few hundred miles east of the Azores. Significant development of this system appears unlikely during the next day or so while it moves slowly eastward. By late Tuesday, the system is forecast to move inland over Portugal. * Formation chance through 48 hours...low...10 percent. * Formation chance through 5 days...low...10 percent. An area of low pressure is forecast to form by midweek a couple of hundred miles north of the southeastern or central Bahamas as a tropical wave interacts with an upper-level trough. Some gradual development of this system is possible thereafter, and a tropical depression could form later this week while the system moves north-northwestward or northward across the western Atlantic. * Formation chance through 48 hours...low...near 0 percent. * Formation chance through 5 days...medium...50 percent. && Public Advisories on Tropical Storm Nicholas are issued under WMO header WTNT34 KNHC and under AWIPS header MIATCPAT4. Forecast/Advisories on Tropical Storm Nicholas are issued under WMO header WTNT24 KNHC and under AWIPS header MIATCMAT4. $$ Forecaster Reinhart
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