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#797653 (Received by flhurricane at: 1:41 PM 23.Aug.2015) TCPAT4 BULLETIN TROPICAL STORM DANNY INTERMEDIATE ADVISORY NUMBER 21A NWS NATIONAL HURRICANE CENTER MIAMI FL AL042015 200 PM AST SUN AUG 23 2015 ...DANNY HEADED FOR THE LEEWARD ISLANDS... SUMMARY OF 200 PM AST...1800 UTC...INFORMATION ---------------------------------------------- LOCATION...15.8N 58.1W ABOUT 215 MI...345 KM E OF GUADELOUPE ABOUT 260 MI...420 KM ESE OF ANTIGUA MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H PRESENT MOVEMENT...W OR 270 DEGREES AT 15 MPH...24 KM/H MINIMUM CENTRAL PRESSURE...1004 MB...29.65 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Warning is in effect for... * Antigua, Barbuda, Montserrat, St. Kitts, Nevis, and Anguilla A Tropical Storm Watch is in effect for... * Saba and St. Eustatius * St. Maarten * Puerto Rico * Vieques * Culebra * U.S. Virgin Islands A Tropical Storm Warning means that tropical storm conditions are expected, in this case within the next 12 to 24 hours. 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 48-HOUR OUTLOOK ------------------------------ At 200 PM AST (1800 UTC), the center of Tropical Storm Danny was located near latitude 15.8 North, longitude 58.1 West. Danny is moving toward the west near 15 mph (24 km/h), and a westward to west-northwestward motion is expected over the next 48 hours. On the forecast track, the center will move near or over portions of the Leeward Islands late tonight or early Monday. Maximum sustained winds are near 50 mph (85 km/h) with higher gusts. Weakening is forecast during the next 48 hours, and Danny is expected to become a tropical depression by late Monday or early Tuesday. Tropical storm force winds extend outward up to 60 miles (95 km) from the center. The estimated minimum central pressure is 1004 mb (29.65 inches). HAZARDS AFFECTING LAND ---------------------- WIND: Tropical storm conditions are expected within portions of the warning area by tonight. Tropical storm conditions are possible elsewhere over the Leeward Islands from Guadeloupe northward overnight. RAINFALL: Danny is expected to produce 2 to 4 inches of rain over the Leeward Islands, the U.S. and British Virgin Islands, and Puerto Rico through Tuesday. NEXT ADVISORY ------------- Next complete advisory at 500 PM AST. $$ Forecaster Pasch |