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| #797574 (Received by flhurricane at: 4:53 AM 23.Aug.2015) TCPAT4 BULLETIN TROPICAL STORM DANNY ADVISORY NUMBER 20 NWS NATIONAL HURRICANE CENTER MIAMI FL AL042015 500 AM AST SUN AUG 23 2015 ...TROPICAL STORM WARNING ISSUED FOR PORTIONS OF THE LEEWARD ISLANDS... SUMMARY OF 500 AM AST...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...15.8N 56.0W ABOUT 360 MI...580 KM E OF GUADELOUPE ABOUT 395 MI...635 KM ESE OF ANTIGUA MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H PRESENT MOVEMENT...W OR 275 DEGREES AT 15 MPH...24 KM/H MINIMUM CENTRAL PRESSURE...1001 MB...29.56 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: The Meteorological Service of Antigua has issued a Tropical Storm Warning for Antigua, Barbuda, Montserrat, St. Kitts, Nevis, and Anguilla. 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 * Guadeloupe, St. Barthelemy, and St. Martin A Tropical Storm Watch means that tropical storm conditions are possible within the watch area, in this case within 36 to 48 hours. Interests elsewhere in the U. S. and British Virgin Islands, Puerto Rico, and the Dominican Republic should monitor the progress of Danny. Additional watches or warnings could be required for portions of these areas later this morning. 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 500 AM AST (0900 UTC), the center of Tropical Storm Danny was located by NOAA Hurricane Hunter aircraft near latitude 15.8 North, longitude 56.0 West. Danny is moving toward the west near 15 mph (24 km/h) and this general motion is expected to continue through tonight. A turn toward the west-northwest is forecast on Monday. On the forecast track, the center of Danny is expected to be near the Leeward Islands tonight or Monday morning. Maximum sustained winds have decreased to near 50 mph (85 km/h) with higher gusts. Additional slow weakening is forecast during the next 48 hours. Tropical-storm-force winds extend outward up to 60 miles (95 km) from the center. The minimum central pressure recently measured by reconnaissance aircraft was 1001 mb (29.56 inches). HAZARDS AFFECTING LAND ---------------------- WIND: Tropical-storm-force winds are possible within the watch area by late Sunday night. RAINFALL: Danny is expected to produce 2 to 4 inches of rain over the Leeward Islands through Monday. NEXT ADVISORY ------------- Next intermediate advisory at 800 AM AST. Next complete advisory at 1100 AM AST. $$ Forecaster Stewart |
