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Atlantic Tropical Weather Outlook

2021-09-07 23:20:47| National Hurricane Center (Atlantic)

000 ABNT20 KNHC 072120 CCB TWOAT Tropical Weather Outlook...Corrected NWS National Hurricane Center Miami FL 520 PM EDT Tue Sep 7 2021 Corrected Hurricane Larry reference direction from Bermuda 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 today 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 unfavorable for development, but they are forecast to become more conducive for some limited tropical or subtropical cyclone development as the system nears the northern Gulf coast on Wednesday and Wednesday night. 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...low...30 percent. * Formation chance through 5 days...medium...40 percent. $$ Forecaster Stewart

Tags: weather atlantic outlook tropical

 

Eastern North Pacific Tropical Weather Outlook

2021-09-07 19:41:40| National Hurricane Center (East Pacific)

000 ABPZ20 KNHC 071741 TWOEP Tropical Weather Outlook NWS National Hurricane Center Miami FL 1100 AM PDT Tue Sep 7 2021 For the eastern North Pacific...east of 140 degrees west longitude: Showers and thunderstorms associated with an area of low pressure located a couple of hundred miles southwest of Manzanillo, Mexico, continue to increase in organization. Environmental conditions are conducive for additional development, and this system is likely to become a tropical depression later today or tonight while it moves generally west-northwestward at 5 to 10 mph, just offshore of the coast of Mexico. Regardless of development, outer rainbands from the disturbance are likely to produce locally heavy rainfall and gusty winds along the coast of the Mexican states of Colima and Jalisco through tonight. Additional information on this system, including storm warnings, can be found in the High Seas Forecast issued by the National Weather Service. * Formation chance through 48 hours...high...90 percent. * Formation chance through 5 days...high...90 percent. Shower activity remains limited in association with a small low pressure area located about 900 miles southwest of the southern tip of the Baja California. Additional development of this system is no longer anticipated due to unfavorable environmental conditions. * Formation chance through 48 hours...low...near 0 percent. * Formation chance through 5 days...low...near 0 percent. && High Seas Forecasts issued by the National Weather Service can be found under AWIPS header NFDHSFEPI, WMO header FZPN02 KWBC, and on the web at ocean.weather.gov/shtml/NFDHSFEPI.php $$ Forecaster Latto

Tags: north weather pacific eastern

 
 

Atlantic Tropical Weather Outlook

2021-09-07 19:36:09| National Hurricane Center (Atlantic)

000 ABNT20 KNHC 071735 CCA TWOAT Tropical Weather Outlook...Corrected NWS National Hurricane Center Miami FL 200 PM EDT Tue Sep 7 2021 Corrected to add rainfall statement 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 southwest of Bermuda. Showers and thunderstorms have increased today 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 unfavorable for development, but they are forecast to become more conducive for some limited tropical or subtropical cyclone development as the system nears the northern Gulf coast on Wednesday and Wednesday night. 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...low...30 percent. * Formation chance through 5 days...medium...40 percent. $$ Forecaster Latto

Tags: weather atlantic outlook tropical

 

Eastern North Pacific Tropical Weather Outlook

2021-09-07 13:48:03| National Hurricane Center (East Pacific)

000 ABPZ20 KNHC 071147 TWOEP Tropical Weather Outlook NWS National Hurricane Center Miami FL 500 AM PDT Tue Sep 7 2021 For the eastern North Pacific...east of 140 degrees west longitude: Showers and thunderstorms associated with a broad area of low pressure located a couple of hundred miles southwest of Manzanillo, Mexico, continue to show some signs of organization. Environmental conditions are conducive for additional development, and this system is likely to become a tropical depression during the next day or so while it moves generally west-northwestward at 5 to 10 mph, just offshore of the coast of Mexico. Regardless of development, outer rainbands from the disturbance are likely to produce locally heavy rainfall and gusty winds along the coast of the Mexican states of Colima and Jalisco through Tuesday. Additional information on this system can be found in the High Seas Forecast issued by the National Weather Service. * Formation chance through 48 hours...high...90 percent. * Formation chance through 5 days...high...90 percent. Shower activity is limited in association with a small low pressure area located about 900 miles southwest of the southern tip of the Baja California. Development, if any, of this system is likely to be slow over the next day or so while it drifts northward. After that time, environmental conditions are expected to become unfavorable for further development. * Formation chance through 48 hours...low...10 percent. * Formation chance through 5 days...low...10 percent. High Seas Forecasts issued by the National Weather Service can be found under AWIPS header NFDHSFEPI, WMO header FZPN02 KWBC, and on the web at ocean.weather.gov/shtml/NFDHSFEPI.php $$ Forecaster Latto

Tags: north weather pacific eastern

 

Atlantic Tropical Weather Outlook

2021-09-07 13:46:37| National Hurricane Center (Atlantic)

000 ABNT20 KNHC 071146 TWOAT Tropical Weather Outlook NWS National Hurricane Center Miami FL 800 AM 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 about 850 miles southeast of Bermuda. Disorganized showers and thunderstorms over the south-central Gulf of Mexico are associated 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 unfavorable for development, but they are forecast to become marginally conducive for some limited development as the system nears the northern Gulf coast on Wednesday and Wednesday night. The disturbance is then expected to cross the southeastern United States, and some tropical or subtropical development will be possible after it emerges off the southeastern United States coast late this week. * Formation chance through 48 hours...low...10 percent. * Formation chance through 5 days...low...30 percent. $$ Forecaster Latto

Tags: weather atlantic outlook tropical

 

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