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Atlantic Tropical Weather Outlook

2021-09-08 21:19:45| National Hurricane Center (Atlantic)

000 ABNT20 KNHC 081919 TWOAT Special Tropical Weather Outlook NWS National Hurricane Center Miami FL 320 PM EDT Wed Sep 8 2021 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: Special outlook issued to update discussion of the disturbance in the Gulf of Mexico. The National Hurricane Center is issuing advisories on Hurricane Larry, located over the central Atlantic several hundred miles east-southeast of Bermuda. Updated: Satellite and radar data indicate that shower and thunderstorm activity continues to gradually become better organized in association with an area of low pressure located about 115 miles southwest of Apalachicola, Florida. In addition, satellite-derived wind data indicate that the circulation has become somewhat better defined today. If these development trends continue, advisories will likely be initiated on this system as a tropical depression or tropical storm later this afternoon, and tropical storm warnings could be required for portions of the coast of the Florida Panhandle. After reaching the Florida Panhandle tonight, this system is expected to move across the southeastern United States and emerge over the western Atlantic by late Thursday, where environmental conditions appear unfavorable for additional development. Regardless of development, areas of heavy rainfall are likely across portions of the Florida panhandle and southern Georgia through Thursday, with localized flooding possible. * Formation chance through 48 hours...high...80 percent. * Formation chance through 5 days...high...80 percent. A tropical wave is expected to emerge off of the western coast of Africa in a few days. Some development of this system is possible thereafter as it moves west-northwestward over the far eastern Atlantic. * Formation chance through 48 hours...low...near 0 percent. * Formation chance through 5 days...low...20 percent. $$ Forecaster Brennan/Papin

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Atlantic Tropical Weather Outlook

2021-09-08 19:42:13| National Hurricane Center (Atlantic)

000 ABNT20 KNHC 081742 TWOAT Tropical Weather Outlook NWS National Hurricane Center Miami FL Issued by the NWS Weather Prediction Center College Park MD 200 PM EDT Wed Sep 8 2021 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: The National Hurricane Center is issuing advisories on Hurricane Larry, located over the central Atlantic several hundred miles east-southeast of Bermuda. Showers and thunderstorms have become a little better organized today in association with a surface trough and an upper-level disturbance over the northeastern Gulf of Mexico. In addition, recent satellite-derived wind data indicate that a broad area of low pressure may be forming. The system is expected to move northeastward through this evening, and a tropical depression could form before it reaches the northeastern Gulf coast tonight or early Thursday. The disturbance is then expected to cross the southeastern United States and emerge over the western Atlantic late this week, where environmental conditions appear unfavorable for additional development. Regardless of development, areas of heavy rainfall are likely across portions of the Florida panhandle and southern Georgia through Thursday, with localized flooding possible. * Formation chance through 48 hours...medium...60 percent. * Formation chance through 5 days...medium...60 percent. A tropical wave is expected to emerge off of the western coast of Africa in a few days. Some development of this system is possible thereafter as it moves west-northwestward over the far eastern Atlantic. * Formation chance through 48 hours...low...near 0 percent. * Formation chance through 5 days...low...20 percent. $$ Forecaster Latto

Tags: weather atlantic outlook tropical

 
 

Atlantic Tropical Weather Outlook

2021-09-08 13:54:34| National Hurricane Center (Atlantic)

000 ABNT20 KNHC 081154 TWOAT Tropical Weather Outlook NWS National Hurricane Center Miami FL 800 AM EDT Wed Sep 8 2021 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: The National Hurricane Center is issuing advisories on Hurricane Larry, located over the central Atlantic several hundred miles southeast of Bermuda. Disorganized cloudiness and a few thunderstorms over the central and eastern Gulf of Mexico are associated with a surface trough and an upper-level disturbance. The system is expected to move northeastward over the northeastern Gulf of Mexico later today. Upper-level winds could become slightly more favorable to support some tropical or subtropical development as the system nears the northern Gulf coast tonight or early Thursday. The disturbance is then expected to cross the southeastern United States, and some additional development will be possible after it emerges off the southeastern United States coast late this week. Regardless of development, areas of heavy rainfall will be possible across portions of the Florida panhandle and southern Georgia through Thursday, with localized flooding possible. * Formation chance through 48 hours...medium...50 percent. * Formation chance through 5 days...medium...50 percent. A tropical wave is expected to emerge off of the western coast of Africa in a few days. Some development of this system is possible thereafter as it moves west-northwestward over the far eastern Atlantic. * Formation chance through 48 hours...low...near 0 percent. * Formation chance through 5 days...low...20 percent. $$ Forecaster Latto

Tags: weather atlantic outlook tropical

 

Atlantic Tropical Weather Outlook

2021-09-08 07:07:57| National Hurricane Center (Atlantic)

000 ABNT20 KNHC 080507 TWOAT Tropical Weather Outlook NWS National Hurricane Center Miami FL 200 AM EDT Wed Sep 8 2021 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: The National Hurricane Center is issuing advisories on Hurricane Larry, located over the central Atlantic several hundred miles southeast of Bermuda. Disorganized cloudiness and a few thunderstorms over the central and eastern Gulf of Mexico are associated with a surface trough and an upper-level disturbance. The system is expected to move northeastward over the northeastern Gulf of Mexico later today. Upper-level winds could become slightly more favorable to support some tropical or subtropical development as the system nears the northern Gulf coast tonight or early Thursday. The disturbance is then expected to cross the southeastern United States, and some additional development will be possible after it emerges off the southeastern United States coast late this week. Regardless of development, areas of heavy rainfall will be possible across portions of the Florida panhandle and southern Georgia through Thursday, with localized flooding possible. * Formation chance through 48 hours...medium...50 percent. * Formation chance through 5 days...medium...50 percent. $$ Forecaster Brown

Tags: weather atlantic outlook tropical

 

Atlantic Tropical Weather Outlook

2021-09-08 01:39:28| National Hurricane Center (Atlantic)

755 ABNT20 KNHC 072339 TWOAT Tropical Weather Outlook NWS National Hurricane Center Miami FL 800 PM EDT Tue Sep 7 2021 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: The National Hurricane Center is issuing advisories on Hurricane Larry, located over the central Atlantic several hundred miles southeast of Bermuda. Showers and thunderstorms have increased somewhat this evening over the south-central Gulf of Mexico in association with a surface trough and an upper-level disturbance. The system is expected to move slowly northeastward over the central and northeastern Gulf of Mexico during the next couple of days. Upper-level winds are currently only marginally conducive for development, but they are forecast to become slightly more favorable by late Wednesday, and a tropical or subtropical depression could form as the system nears the northern Gulf coast Wednesday night or Thursday. The disturbance is then expected to cross the southeastern United States, and some slight additional development will be possible after it emerges off the southeastern United States coast late this week. Regardless of development, areas of heavy rainfall will be possible across portions of the Florida panhandle and southern Georgia on Wednesday and Thursday, with localized flooding possible. * Formation chance through 48 hours...medium...50 percent. * Formation chance through 5 days...medium...50 percent. $$ Forecaster Stewart

Tags: weather atlantic outlook tropical

 

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