ZCZC MIATCPAT4 ALL TTAA00 KNHC DDHHMM BULLETIN TROPICAL STORM DANNY INTERMEDIATE ADVISORY NUMBER 18A NWS NATIONAL HURRICANE CENTER MIAMI FL AL042015 800 PM AST SAT AUG 22 2015 ...DANNY WEAKENS TO A TROPICAL STORM... SUMMARY OF 800 PM AST...0000 UTC...INFORMATION ---------------------------------------------- LOCATION...15.6N 54.1W ABOUT 520 MI...840 KM ESE OF THE LEEWARD ISLANDS MAXIMUM SUSTAINED WINDS...65 MPH...105 KM/H PRESENT MOVEMENT...W OR 280 DEGREES AT 14 MPH...22 KM/H MINIMUM CENTRAL PRESSURE...997 MB...29.44 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Watch is in effect for... * Antigua, Barbuda, Montserrat, St. Kitts, Nevis, and Anguilla * 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, generally within 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 may be required for portions of these areas tonight or Sunday. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ At 800 PM AST (0000 UTC), the center of Tropical Storm Danny was located near latitude 15.6 North, longitude 54.1 West. Danny is moving toward the west near 14 mph (22 km/h). This general motion is expected to continue through Monday. On the forecast track, the center of Danny is expected to be near the Leeward Islands by Sunday night or Monday morning. Recent reports from a NOAA Hurricane Hunter aircraft indicate that Danny has weakened below hurricane strength, and the maximum sustained are estimated to be 65 mph (105 km/h) with higher gusts. Additional weakening is forecast during the next 48 hours. Tropical storm force winds extend outward up to 60 miles (95 km) from the center. The latest minimum central pressure estimated from NOAA aircraft data is 997 mb (29.44 inches). HAZARDS AFFECTING LAND ---------------------- RAINFALL: Danny is expected to produce 2 to 4 inches of rain over the Leeward Islands through Monday. NEXT ADVISORY ------------- Next complete advisory at 1100 PM AST. $$ Forecaster Brown/Berg NNNN