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Atlantic Tropical Weather Outlook
2021-09-24 19:54:46| National Hurricane Center (Atlantic)
000 ABNT20 KNHC 241754 TWOAT Tropical Weather Outlook NWS National Hurricane Center Miami FL 200 PM EDT Fri Sep 24 2021 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: The National Hurricane Center is issuing advisories on Hurricane Sam, located about 1300 miles east-southeast of the northern Leeward Islands. Surface observations and recent satellite wind data indicate that a surface low located a couple hundred miles north-northeast of Bermuda is gradually becoming better defined as it interacts with an upper-level trough. This system is producing winds of 40 to 45 mph north of the low center and additional development into a subtropical or tropical storm appears likely. Advisories could be initiated as soon as this afternoon as the system moves slowly toward the north-northwest over the next day or so. Additional information on this system, including gale warnings, can be found in High Seas Forecasts issued by the National Weather Service. * Formation chance through 48 hours...high...70 percent. * Formation chance through 5 days...high...70 percent. A gale-force, non-tropical low pressure system, the remnants of Odette, is located less than 600 miles west of the westernmost Azores. Showers and thunderstorms have mostly dissipated near the low, and strong upper-level winds are now expected to prevent further development as this system moves gradually southward until dissipation. Additional information on this system, including gale warnings, can be found in High Seas Forecasts issued by the National Weather Service. * Formation chance through 48 hours...low...near 0 percent. * Formation chance through 5 days...low...near 0 percent. A tropical wave is expected to move off the west coast of Africa by the end of this weekend. Thereafter, environmental conditions are forecast to be conducive for gradual development, and a tropical depression could form by the middle of next week while the system moves westward at 10 to 15 mph over the far eastern tropical Atlantic. * Formation chance through 48 hours...low...near 0 percent. * Formation chance through 5 days...medium...50 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 $$ Forecaster Papin
Tags: weather
atlantic
outlook
tropical
Eastern North Pacific Tropical Weather Outlook
2021-09-24 19:24:10| National Hurricane Center (East Pacific)
000 ABPZ20 KNHC 241724 TWOEP Tropical Weather Outlook NWS National Hurricane Center Miami FL 1100 AM PDT Fri Sep 24 2021 For the eastern North Pacific...east of 140 degrees west longitude: Tropical cyclone formation is not expected during the next 5 days. $$ Forecaster Landsea
Tags: north
weather
pacific
eastern
Atlantic Tropical Weather Outlook
2021-09-24 13:41:39| National Hurricane Center (Atlantic)
000 ABNT20 KNHC 241141 TWOAT Tropical Weather Outlook NWS National Hurricane Center Miami FL 800 AM EDT Fri Sep 24 2021 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: The National Hurricane Center is issuing advisories on recently upgraded Hurricane Sam, located about 1400 miles east-southeast of the northern Leeward Islands. A large area of showers and thunderstorms centered a couple hundred miles east of Bermuda is associated with a formative surface low interacting with an upper-level trough. Additional tropical or subtropical development of this system could occur through early Saturday as it moves generally north-northwestward. After that time, development is not expected due to strong upper-level winds. Additional information on this system, including gale warnings, 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. A gale-force, non-tropical low pressure system, the remnants of Odette, is located a little less than 600 miles west-northwest of the westernmost Azores. Showers and thunderstorms remain limited near the low, and the window of opportunity for this system to become a subtropical or tropical cyclone is closing as strong upper-level winds are expected to develop over the system later today. This system will move generally south-southeastward over the next day or two. Additional information on this system, including gale warnings, can be found in High Seas Forecasts issued by the National Weather Service. * Formation chance through 48 hours...low...20 percent. * Formation chance through 5 days...low...20 percent. A tropical wave is expected to move off the west coast of Africa by the end of this weekend. Thereafter, environmental conditions are forecast to be conducive for gradual development, and a tropical depression could form by the middle of next week while the system moves westward at 10 to 15 mph over the far eastern tropical Atlantic. * Formation chance through 48 hours...low...near 0 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 $$ Forecaster Papin
Tags: weather
atlantic
outlook
tropical
Eastern North Pacific Tropical Weather Outlook
2021-09-24 13:40:09| National Hurricane Center (East Pacific)
000 ABPZ20 KNHC 241140 TWOEP Tropical Weather Outlook NWS National Hurricane Center Miami FL 500 AM PDT Fri Sep 24 2021 For the eastern North Pacific...east of 140 degrees west longitude: Tropical cyclone formation is not expected during the next 5 days. $$ Forecaster Landsea
Tags: north
weather
pacific
eastern
Atlantic Tropical Weather Outlook
2021-09-24 07:34:35| National Hurricane Center (Atlantic)
000 ABNT20 KNHC 240534 TWOAT Tropical Weather Outlook NWS National Hurricane Center Miami FL 200 AM EDT Fri Sep 24 2021 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: The National Hurricane Center is issuing advisories on Tropical Storm Sam, located about 1500 miles east-southeast of the northern Leeward Islands. A gale-force, non-tropical low pressure system, the remnants of Odette, is located a little more than 600 miles west-northwest of the westernmost Azores. Showers and thunderstorms remain limited near the low, and this system has only a brief window of opportunity to become a subtropical or tropical cyclone while it moves generally south-southeastward over marginally warmer waters. Strong upper-level winds are expected to develop over the system by late today, which should then limit further development. Additional information on this system, including gale warnings, 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. A large area of showers and thunderstorms centered a couple of hundred miles east of Bermuda is associated with a surface and upper-level trough. Some tropical or subtropical development of this system could occur through early Saturday as it moves generally north-northwestward. After that time, development is not expected due to strong upper-level winds. * Formation chance through 48 hours...low...20 percent. * Formation chance through 5 days...low...20 percent. A tropical wave is expected to move off the west coast of Africa by the end of this weekend. Thereafter, environmental conditions are forecast to be conducive for gradual development, and a tropical depression could form by the middle of next week while the system moves westward at 10 to 15 mph over the far eastern tropical Atlantic. * Formation chance through 48 hours...low...near 0 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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