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| #979538 (Received by flhurricane at: 4:51 PM 26.Aug.2019) TCPAT5 BULLETIN Tropical Storm Dorian Advisory Number 10 NWS National Hurricane Center Miami FL AL052019 500 PM AST Mon Aug 26 2019 ...TROPICAL STORM WATCH ISSUED FOR PUERTO RICO... ...TROPICAL STORM CONDITIONS EXPECTED IN THE WINDWARD ISLANDS LATER TONIGHT WITH HURRICANE CONDITIONS POSSIBLE ON TUESDAY... SUMMARY OF 500 PM AST...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...12.7N 58.8W ABOUT 60 MI...95 KM SE OF BARBADOS ABOUT 165 MI...270 KM ESE OF ST. LUCIA MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/H PRESENT MOVEMENT...WNW OR 290 DEGREES AT 14 MPH...22 KM/H MINIMUM CENTRAL PRESSURE...1002 MB...29.59 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: A Tropical Storm Watch has been issued for Puerto Rico. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Hurricane Watch is in effect for... * St. Lucia A Tropical Storm Warning is in effect for... * Barbados * Martinique * St. Lucia * St. Vincent and the Grenadines A Tropical Storm Watch is in effect for... * Dominica * Grenada and its dependencies * Saba and St. Eustatius * Puerto Rico A Hurricane Watch means that hurricane conditions are possible within the watch area, in this case, within the next 24 hours. A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area within 36 hours. A Tropical Storm Watch means that tropical storm conditions are possible within the watch area, generally within 48 hours. Interests in the Virgin Islands and Hispaniola should monitor the progress of Dorian as watches for these areas could be required tonight or Tuesday. For storm information specific to your area in the United States, including possible inland watches and warnings, please monitor products issued by your local National Weather Service forecast office. For storm information specific to your area outside the United States, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 500 PM AST (2100 UTC), the center of Tropical Storm Dorian was located by satellite and Martinique radar near latitude 12.7 North, longitude 58.8 West. Dorian is moving toward the west-northwest near 14 mph (22 km/h) and this motion is expected to continue through Tuesday night, followed by a turn toward the northwest on Wednesday. On the forecast track, the center of Dorian is expected to move near the Windward Islands this evening and tonight and move into the eastern Caribbean Sea on Tuesday. Dorian is forecast to pass near or south of Puerto Rico on Wednesday and approach eastern Hispaniola Wednesday night. Maximum sustained winds are near 60 mph (95 km/h) with higher gusts. Some strengthening is forecast during the next few days, and Dorian could be near hurricane strength when it passes through the northern Windward Islands on Tuesday, and it is expected to be a hurricane when it moves near Puerto Rico and eastern Hispaniola. Satellite-derived surface wind data indicate that Dorian remains a compact tropical cyclone. Tropical-storm-force winds extend outward up to 45 miles (75 km) from the center. The estimated minimum central pressure is 1002 mb (29.59 inches). HAZARDS AFFECTING LAND ---------------------- Rainfall: Dorian is expected to produce total rain accumulations of 3 to 8 inches in the Windward Islands from Martinique south to St. Vincent, including Barbados. Isolated maximum totals of 10 inches are possible across the northern Windward Islands. Rainfall totals of 1 to 3 inches are expected from the Grenadines, south to Grenada and across Dominica. Rainfall totals of 2 to 4 inches with maximum totals of 6 inches are possible across Puerto Rico and St. Croix. WIND: Hurricane conditions are possible tonight and early Tuesday within the Hurricane Watch area. Tropical storm conditions are likely in the warning area by late today. Tropical storm conditions are possible within the tropical storm watch area in the Lesser Antilles tonight or Tuesday and in Puerto Rico on Wednesday. SURF: Swells generated by Dorian will begin affecting portions of the Lesser Antilles tonight and continue into Tuesday. These swells could cause life-threatening surf and rip current conditions. Please consult products from your local weather office. NEXT ADVISORY ------------- Next intermediate advisory at 800 PM AST. Next complete advisory at 1100 PM AST. $$ Forecaster Stewart |
