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Atlantic Tropical Weather Outlook
2021-09-29 07:16:34| National Hurricane Center (Atlantic)
000 ABNT20 KNHC 290516 TWOAT Tropical Weather Outlook NWS National Hurricane Center Miami FL 200 AM EDT Wed Sep 29 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. Shower and thunderstorm activity associated with an area of low pressure located several hundred miles south of the Cabo Verde Islands continues to gradually become better organized. Environmental conditions are conducive for additional development, and a tropical depression or tropical storm is likely to form later today or tonight while the disturbance moves west-northwestward at 10 to 15 mph over the eastern tropical Atlantic. Additional information on this system, including gale warnings, can be found in High Seas Forecasts issued by Meteo France. * Formation chance through 48 hours...high...90 percent. * Formation chance through 5 days...high...90 percent. Showers and thunderstorms remain disorganized in association with a a broad and elongated area of low pressure located several hundred miles southwest of the Cabo Verde Islands. Although environmental conditions are generally conducive for development during the next day or so, interaction of this system with the low pressure area located to its east is likely to hinder development after that time. The system is forecast to drift west-northwestward over the next few days. * Formation chance through 48 hours...medium...50 percent. * Formation chance through 5 days...medium...50 percent. An area of low pressure associated with the remnants of Peter is located several hundred miles east-northeast of Bermuda. Recent satellite wind data indicate that the circulation of the low has become less defined, and shower activity remains limited. The system is moving northeastward into a region of very strong upper-level winds, and significant development of this system is no longer anticipated. Additional information on this system can be found in High Seas Forecasts issued by the National Weather Service. * 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 NFDHSFAT1, WMO header FZNT01 KWBC, and online at ocean.weather.gov/shtml/NFDHSFAT1.php High Seas Forecasts issued by Meteo France can be found under WMO header FQNT50 LFPW and available on the web at www.meteofrance.com/previsions-meteo-marine/bulletin/grandlarge/ metarea2 $$ Forecaster Brown
Tags: weather
atlantic
outlook
tropical
Atlantic Tropical Weather Outlook
2021-09-29 01:44:03| National Hurricane Center (Atlantic)
000 ABNT20 KNHC 282343 TWOAT Tropical Weather Outlook NWS National Hurricane Center Miami FL 800 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. Recent satellite-derived surface wind data indicate that the low pressure system located over the far eastern tropical Atlantic several hundred miles south of the Cabo Verde Islands is gradually becoming better defined. The associated showers and thunderstorms are showing signs of organization, and a tropical depression is expected to form during the next 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. 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 could still form during the next couple of days if the disturbance does not get absorbed into the stronger low pressure system located to its east. The broad low is expected to move slowly west-northwestward to westward over the central tropical Atlantic during the next few days. * Formation chance through 48 hours...medium...60 percent. * Formation chance through 5 days...medium...60 percent. A well-defined low pressure area associated with the remnants of Peter is located several hundred miles east-northeast of Bermuda. The associated shower and thunderstorm activity remains limited, 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...low...30 percent. * Formation chance through 5 days...low...30 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 Stewart
Tags: weather
atlantic
outlook
tropical
Eastern North Pacific Tropical Weather Outlook
2021-09-29 01:19:33| National Hurricane Center (East Pacific)
000 ABPZ20 KNHC 282319 TWOEP Tropical Weather Outlook NWS National Hurricane Center Miami FL 500 PM PDT Tue Sep 28 2021 For the eastern North Pacific...east of 140 degrees west longitude: A broad area of low pressure located a few hundred miles south of Manzanillo, Mexico, is gradually becoming better defined. Associated shower and thunderstorm activity is beginning to show some signs of organization, and conditions are favorable for some slow development to occur during the next few days while the low moves slowly west-northwestward, well offshore the coast of mainland Mexico. * Formation chance through 48 hours...low...20 percent. * Formation chance through 5 days...medium...40 percent. $$ Forecaster Stewart
Tags: north
weather
pacific
eastern
Eastern North Pacific Tropical Weather Outlook
2021-09-28 19:24:33| National Hurricane Center (East Pacific)
000 ABPZ20 KNHC 281724 TWOEP Tropical Weather Outlook NWS National Hurricane Center Miami FL 1100 AM PDT Tue Sep 28 2021 For the eastern North Pacific...east of 140 degrees west longitude: A broad area of low pressure located a few hundred miles south of Manzanillo, Mexico, is producing disorganized shower activity. Some slow development of this system is possible during the next several days while it moves slowly west-northwestward well offshore of the coast of mainland Mexico. * Formation chance through 48 hours...low...near 0 percent. * Formation chance through 5 days...low...30 percent. $$ Forecaster Cangialosi
Tags: north
weather
pacific
eastern
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
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