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Atlantic Tropical Weather Outlook
2018-09-20 19:42:41| National Hurricane Center (Atlantic)
077 ABNT20 KNHC 201742 TWOAT Tropical Weather Outlook NWS National Hurricane Center Miami FL Issued by the NWS Weather Prediction Center College Park MD 200 PM EDT Thu Sep 20 2018 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: Satellite imagery shows that showers and thunderstorms associated with a westward-moving tropical wave located about 750 miles east of the Windward Islands have become less organized over the last several hours. There is no evidence of a surface circulation at this time, and a combination of dry air and strong upper-level winds are expected to make development of this system unlikely while it moves westward at 10-15 mph. * Formation chance through 48 hours...low...10 percent. * Formation chance through 5 days...low...10 percent. A non-tropical area of low pressure with gale-force winds is located about 150 miles north of Bermuda and is moving south-southeastward at about 15 mph. Although there are some signs of organization, dry air and strong upper-level winds are expected to limit development of this system over the next couple of days. However, conditions could become a bit more conducive for this low to gradually acquire some tropical characteristics early next week as the low moves south and then drifts westward to the southwest of Bermuda. * Formation chance through 48 hours...low...10 percent. * Formation chance through 5 days...low...20 percent. Another non-tropical low pressure system is forecast to develop by Friday night over the central subtropical Atlantic Ocean between Bermuda and the Azores. Conditions are expected to be conducive for the low to acquire some subtropical or tropical characteristics, and a subtropical or tropical cyclone could form late this weekend or early next week while the low meanders over the central Atlantic Ocean. * Formation chance through 48 hours...low...near 0 percent. * Formation chance through 5 days...medium...50 percent. A tropical wave is forecast to emerge off the west coast of Africa by Saturday. Some slow development of this system is possible early next week as it moves quickly westward across the low latitudes of the eastern tropical Atlantic Ocean. * Formation chance through 48 hours...low...near 0 percent. * Formation chance through 5 days...low...20 percent. $$ Forecaster Orrison/Blake
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atlantic
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Atlantic Tropical Weather Outlook
2018-09-20 13:13:40| National Hurricane Center (Atlantic)
372 ABNT20 KNHC 201113 TWOAT Tropical Weather Outlook NWS National Hurricane Center Miami FL 800 AM EDT Thu Sep 20 2018 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: A concentrated area of thunderstorms associated with a westward- moving tropical wave is located about 850 miles east of the Windward Islands. Although this disturbance shows some signs of organization on satellite imagery, there is no evidence of a surface circulation at this time. Some additional development is possible today before upper-level winds become highly unfavorable for tropical cyclone formation starting tonight and continuing through the weekend. * Formation chance through 48 hours...low...20 percent. * Formation chance through 5 days...low...20 percent. A non-tropical low pressure system is forecast to develop by Friday night over the central subtropical Atlantic Ocean between Bermuda and the Azores. Conditions are expected to be conducive for the low to acquire some subtropical or tropical characteristics, and a subtropical or tropical cyclone could form over the weekend or early next week while the low meanders over the central Atlantic Ocean. * Formation chance through 48 hours...low...near 0 percent. * Formation chance through 5 days...medium...40 percent. $$ Forecaster Avila
Tags: weather
atlantic
outlook
tropical
Eastern North Pacific Tropical Weather Outlook
2018-09-20 13:11:17| National Hurricane Center (East Pacific)
897 ABPZ20 KNHC 201110 TWOEP Tropical Weather Outlook NWS National Hurricane Center Miami FL 500 AM PDT Thu Sep 20 2018 For the eastern North Pacific...east of 140 degrees west longitude: The National Hurricane Center has issued the last advisory on Tropical Depression Nineteen-E, which has dissipated over the Mexican state of Sonora. An elongated area of low pressure located almost 1000 miles southwest of the southern tip of the Baja California peninsula continues to produce disorganized showers and thunderstorms. Any development of this system during the next few days should be slow to occur before upper-level winds become unfavorable for development over the weekend. This disturbance is forecast to move slowly west-northwestward at 5 to 10 mph during the next several days. * Formation chance through 48 hours...low...10 percent. * Formation chance through 5 days...low...20 percent. An area of low pressure is expected to form in a few days well to the south of the southern coast of Mexico. Some slow development is possible early next week while the system moves nearly parallel to the southwestern coast of Mexico. * Formation chance through 48 hours...low...near 0 percent. * Formation chance through 5 days...low...30 percent. $$ Forecaster Pasch
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eastern
Atlantic Tropical Weather Outlook
2018-09-20 07:40:37| National Hurricane Center (Atlantic)
683 ABNT20 KNHC 200540 TWOAT Tropical Weather Outlook NWS National Hurricane Center Miami FL 200 AM EDT Thu Sep 20 2018 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: A westward-moving tropical wave is producing a small but concentrated area of thunderstorms about 850 miles east of the Windward Islands. Some additional development is possible today before upper-level winds become increasingly unfavorable for tropical cyclone formation starting tonight and continuing through the weekend. * Formation chance through 48 hours...low...20 percent. * Formation chance through 5 days...low...20 percent. A non-tropical low pressure system is forecast to develop by Friday night over the central subtropical Atlantic Ocean between Bermuda and the Azores. Conditions are expected to be conducive for the low to acquire some subtropical or tropical characteristics, and a subtropical or tropical cyclone could form over the weekend or early next week while the low meanders over the central Atlantic Ocean. * Formation chance through 48 hours...low...near 0 percent. * Formation chance through 5 days...medium...40 percent. $$ Forecaster Berg
Tags: weather
atlantic
outlook
tropical
Eastern North Pacific Tropical Weather Outlook
2018-09-20 07:14:36| National Hurricane Center (East Pacific)
462 ABPZ20 KNHC 200514 TWOEP Tropical Weather Outlook NWS National Hurricane Center Miami FL 1100 PM PDT Wed Sep 19 2018 For the eastern North Pacific...east of 140 degrees west longitude: The National Hurricane Center is issuing advisories on Tropical Depression Nineteen-E, located inland over the Mexican state of Sonora. An elongated area of low pressure located almost 1000 miles southwest of the southern tip of the Baja California peninsula continues to produce disorganized showers and thunderstorms. Any development of this system during the next few days should be slow to occur before upper-level winds become unfavorable for development over the weekend. This disturbance is forecast to move slowly west-northwestward at 5 to 10 mph during the next several days. * Formation chance through 48 hours...low...10 percent. * Formation chance through 5 days...low...20 percent. An area of low pressure is expected to form in a few days well to the south of the southern coast of Mexico. Some slow development is possible early next week while the system moves nearly parallel to the southwestern coast of Mexico. * Formation chance through 48 hours...low...near 0 percent. * Formation chance through 5 days...low...30 percent. && Public Advisories on Tropical Depression Nineteen-E are issued under WMO header WTPZ34 KNHC and under AWIPS header MIATCPEP4. Forecast/Advisories on Tropical Depression Nineteen-E are issued under WMO header WTPZ24 KNHC and under AWIPS header MIATCMEP4. $$ Forecaster Berg
Tags: north
weather
pacific
eastern
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