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Atlantic Tropical Weather Outlook

2017-08-20 01:19:35| National Hurricane Center (Atlantic)

000 ABNT20 KNHC 192319 TWOAT Tropical Weather Outlook NWS National Hurricane Center Miami FL 800 PM EDT Sat Aug 19 2017 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: The National Hurricane Center is issuing advisories on recently downgraded Tropical Depression Harvey, located over the central Caribbean Sea. Showers and thunderstorms remain disorganized near a trough of low pressure located a couple of hundred miles north of the northern Leeward Islands. Environmental conditions are not expected to be conducive for development of this system during the next couple of days while it moves west-northwestward at 15 to 20 mph. Conditions could become slightly more conducive for development once the system is near the northern Bahamas or Florida around the middle of next week. * Formation chance through 48 hours...low...10 percent. * Formation chance through 5 days...low...20 percent. A tropical wave located about a thousand miles east of the Lesser Antilles is producing a large area of cloudiness but limited showers and thunderstorms. The wave is currently embedded in a dry air mass, and upper-level winds are expected to become too strong to support development in a couple of days. Therefore, tropical cyclone formation is not likely while this system moves northwestward at about 15 mph. * Formation chance through 48 hours...low...10 percent. * Formation chance through 5 days...low...10 percent. $$ Forecaster Berg

Tags: weather atlantic outlook tropical

 

Atlantic Tropical Weather Outlook

2017-08-19 19:46:03| National Hurricane Center (Atlantic)

000 ABNT20 KNHC 191745 TWOAT Tropical Weather Outlook NWS National Hurricane Center Miami FL 200 PM EDT Sat Aug 19 2017 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: The National Hurricane Center is issuing advisories on Tropical Storm Harvey, located over the central Caribbean Sea. A trough of low pressure located about 250 miles north-northeast of the northern Leeward Islands continues to produce disorganized showers and thunderstorms. Environmental conditions are expected to be unfavorable for development during the next couple of days while the system system moves west-northwestward at about 20 mph. Conditions may become a little more conducive early next week while the system is near the Bahamas. * Formation chance through 48 hours...low...10 percent. * Formation chance through 5 days...low...30 percent. A tropical wave located over the eastern Atlantic Ocean about midway between the Lesser Antilles and Africa is producing some shower and thunderstorm activity. Environmental conditions appear somewhat conducive for gradual development over the next day or two while the system moves west-northwestward to northwestward at about 20 mph, but upper-level winds are forecast to become unfavorable by early next week. * Formation chance through 48 hours...low...10 percent. * Formation chance through 5 days...low...10 percent. $$ Forecaster Beven

Tags: weather atlantic outlook tropical

 
 

Atlantic Tropical Weather Outlook

2017-08-19 13:25:00| National Hurricane Center (Atlantic)

000 ABNT20 KNHC 191124 TWOAT Tropical Weather Outlook NWS National Hurricane Center Miami FL 800 AM EDT Sat Aug 19 2017 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: The National Hurricane Center is issuing advisories on Tropical Storm Harvey, located over the eastern Caribbean Sea. A trough of low pressure located about 300 miles east-northeast of the northern Leeward Islands continues to produce disorganized showers and thunderstorms. Environmental conditions are expected to be only marginally conducive for development during the next few days while this system moves west-northwestward at about 20 mph. * Formation chance through 48 hours...low...20 percent. * Formation chance through 5 days...medium...40 percent. A tropical wave located over the eastern Atlantic Ocean about midway between the Lesser Antilles and Africa is producing some shower and thunderstorm activity. Environmental conditions appear somewhat conducive for gradual development over the next few days while the system moves west-northwestward to northwestward at about 20 mph, but upper-level winds are forecast to become unfavorable by early next week. * Formation chance through 48 hours...low...10 percent. * Formation chance through 5 days...low...20 percent. $$ Forecaster Beven

Tags: weather atlantic outlook tropical

 

Atlantic Tropical Weather Outlook

2017-08-19 07:32:26| National Hurricane Center (Atlantic)

000 ABNT20 KNHC 190532 TWOAT Tropical Weather Outlook NWS National Hurricane Center Miami FL 200 AM EDT Sat Aug 19 2017 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: The National Hurricane Center is issuing advisories on Tropical Storm Harvey, located over the eastern Caribbean Sea. A trough of low pressure located about 400 miles east-northeast of the northern Leeward Islands continues to produce disorganized showers and thunderstorms. Environmental conditions are expected to be only marginally conducive for development during the next few days while this system moves west-northwestward at about 20 mph. * Formation chance through 48 hours...low...30 percent. * Formation chance through 5 days...medium...40 percent. A tropical wave located over the eastern Atlantic Ocean about midway between the Lesser Antilles and Africa is producing some shower and thunderstorm activity. Environmental conditions appear somewhat conducive for gradual development over the next few days while the system moves west-northwestward to northwestward at about 20 mph, but upper-level winds are forecast to become unfavorable by the middle of next week. * Formation chance through 48 hours...low...10 percent. * Formation chance through 5 days...low...30 percent. $$ Forecaster Blake

Tags: weather atlantic outlook tropical

 

Atlantic Tropical Weather Outlook

2017-08-19 01:41:57| National Hurricane Center (Atlantic)

000 ABNT20 KNHC 182341 TWOAT Tropical Weather Outlook NWS National Hurricane Center Miami FL 800 PM EDT Fri Aug 18 2017 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: The National Hurricane Center is issuing advisories on Tropical Storm Harvey, located over the eastern Caribbean Sea. Showers and thunderstorms associated with an area of disturbed weather located about 500 miles east-northeast of the northern Leeward Islands have become less organized since yesterday due to strong upper-level winds, and satellite data suggest that the surface circulation has become less defined. Environmental conditions are expected to be only marginally conducive for development during the next couple of days while this system moves west-northwestward at about 20 mph, and the chances for tropical cyclone formation appear to be decreasing. * Formation chance through 48 hours...medium...50 percent. * Formation chance through 5 days...medium...50 percent. A tropical wave located over the far eastern Atlantic Ocean, almost a thousand miles west of the Cabo Verde Islands, is producing limited shower and thunderstorm activity. Environmental conditions appear somewhat conducive for gradual development over the next few days while the system moves west-northwestward to northwestward at about 20 mph, but upper-level winds are forecast to become unfavorable by the middle of next week. * Formation chance through 48 hours...low...10 percent. * Formation chance through 5 days...low...30 percent. $$ Forecaster Berg

Tags: weather atlantic outlook tropical

 

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