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Atlantic Tropical Weather Outlook
2017-08-18 13:50:52| National Hurricane Center (Atlantic)
000 ABNT20 KNHC 181150 TWOAT Tropical Weather Outlook NWS National Hurricane Center Miami FL 800 AM 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 near Barbados. Shower and thunderstorm activity associated with an area of low pressure located about 750 miles east-northeast of the Leeward Islands continues to show signs of organization. While it would take only a slight increase in organization for a tropical depression to form later today or tonight, upper-level winds are becoming less favorable for development. The low is expected to move west-northwestward at about 20 mph during the next few days, and interests in the northern Leeward Islands should monitor the progress of this disturbance. * Formation chance through 48 hours...high...70 percent. * Formation chance through 5 days...high...70 percent. Shower activity has increased during the last 24 hours in association with a tropical wave located over the far eastern Atlantic Ocean, several hundred miles west-southwest of the Cabo Verde Islands. Environmental conditions are forecast to become more favorable for some development early next week while the system moves west-northwestward to northwestward at about 20 mph. * Formation chance through 48 hours...low...10 percent. * Formation chance through 5 days...medium...40 percent. && Public Advisories on Harvey are issued under WMO header WTNT34 KNHC and under AWIPS header MIATCPAT4. Forecast/Advisories on Harvey are issued under WMO header WTNT24 KNHC and under AWIPS header MIATCMAT4. $$ Forecaster Beven
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