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Atlantic Tropical Weather Outlook

2021-09-28 19:24:04| National Hurricane Center (Atlantic)

000 ABNT20 KNHC 281723 TWOAT Tropical Weather Outlook NWS National Hurricane Center Miami FL 200 PM 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. Showers and thunderstorms remain disorganized in association with a a broad area of low pressure located several hundred miles southwest of the Cabo Verde Islands. Environmental conditions are conducive for gradual development, and a tropical depression is likely to form during the next couple of days while the system moves slowly westward to west-northwestward over the central tropical Atlantic. * Formation chance through 48 hours...high...70 percent. * Formation chance through 5 days...high...80 percent. A broad area of low pressure located over the far eastern Atlantic several hundred miles south-southeast of the Cabo Verde Islands is producing a large area of showers and thunderstorms. This shower activity is gradually becoming better organized, and a tropical depression is expected to form in a day or so while the disturbance moves west-northwestward at 10 to 15 mph over the eastern tropical Atlantic. * Formation chance through 48 hours...high...90 percent. * Formation chance through 5 days...high...90 percent. A well-defined low pressure area associated with the remnants of Peter located about 400 miles east-northeast of Bermuda is producing gale-force winds. The associated showers and thunderstorms have become less organized during the past few hours, and the chances of this system becoming a short lived tropical depression or storm appear to be decreasing. This system is expected to move northeastward at about 10 mph into a region of very strong upper-level winds on Wednesday. Additional information on this system can be found in High Seas Forecasts issued by the National Weather Service. * Formation chance through 48 hours...medium...40 percent. * Formation chance through 5 days...medium...40 percent. && High Seas Forecasts issued by the National Weather Service can be found under AWIPS header NFDHSFAT1, WMO header FZNT01 KWBC, and online at ocean.weather.gov/shtml/NFDHSFAT1.php $$ Forecaster Cangialosi

Tags: weather atlantic outlook tropical

 

Atlantic Tropical Weather Outlook

2021-09-28 13:33:28| National Hurricane Center (Atlantic)

000 ABNT20 KNHC 281133 TWOAT Tropical Weather Outlook NWS National Hurricane Center Miami FL 800 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 continues to produce an area of disorganized showers and thunderstorms. Environmental conditions are conducive for gradual development, and a tropical depression is likely to form during the next couple of days 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...80 percent. Showers and thunderstorms are showing signs of organization in association with a tropical wave and broad area of low pressure located over the far eastern tropical Atlantic. Environmental conditions are conducive for development, and a tropical depression is likely to form in a day or two while the disturbance moves west-northwestward at 10 to 15 mph over the eastern tropical Atlantic. * Formation chance through 48 hours...high...80 percent. * Formation chance through 5 days...high...90 percent. A well-defined low pressure area associated with the remnants of Peter is located about 350 miles east-northeast of Bermuda. The associated showers and thunderstorms have increased a little this morning, but are still not well organized. This system could become a short-lived tropical depression while moving northeastward at about 10 mph before upper-level winds increase on Wednesday. * Formation chance through 48 hours...medium...50 percent. * Formation chance through 5 days...medium...50 percent. $$ Forecaster Cangialosi

Tags: weather atlantic outlook tropical

 
 

Eastern North Pacific Tropical Weather Outlook

2021-09-28 13:33:28| National Hurricane Center (East Pacific)

000 ABPZ20 KNHC 281133 TWOEP Tropical Weather Outlook NWS National Hurricane Center Miami FL 500 AM PDT Tue Sep 28 2021 For the eastern North Pacific...east of 140 degrees west longitude: A tropical wave is producing an area of disorganized cloudiness and showers a few hundred miles south-southwest of Manzanillo, Mexico. Environmental conditions are expected to be conducive for some development of this disturbance during the next several days, and a tropical depression could form by the weekend while the system moves slowly west-northwestward well offshore of the coast of mainland Mexico. * Formation chance through 48 hours...low...near 0 percent. * Formation chance through 5 days...medium...40 percent. $$ Forecaster Cangialosi

Tags: north weather pacific eastern

 

Eastern North Pacific Tropical Weather Outlook

2021-09-28 07:16:20| National Hurricane Center (East Pacific)

000 ABPZ20 KNHC 280516 TWOEP Tropical Weather Outlook NWS National Hurricane Center Miami FL 1100 PM PDT Mon Sep 27 2021 For the eastern North Pacific...east of 140 degrees west longitude: A tropical wave is producing an area of disorganized cloudiness and showers a few hundred miles southwest of Acapulco, Mexico. Environmental conditions are expected to be conducive for some gradual development of this disturbance during the next several days, and a tropical depression could form during the latter part of the week or early this weekend while the system moves slowly northwestward well offshore of the coast of mainland Mexico. * Formation chance through 48 hours...low...near 0 percent. * Formation chance through 5 days...medium...50 percent. $$ Forecaster Brown

Tags: north weather pacific eastern

 

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

Tags: weather atlantic outlook tropical

 

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