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| #898725 (Received by flhurricane at: 10:32 PM 17.Aug.2017) TCPAT4 BULLETIN Tropical Storm Harvey Advisory Number 3 NWS National Hurricane Center Miami FL AL092017 1100 PM AST Thu Aug 17 2017 ...HARVEY NEARING THE WINDWARD ISLANDS... SUMMARY OF 1100 PM AST...0300 UTC...INFORMATION ----------------------------------------------- LOCATION...13.0N 57.4W ABOUT 140 MI...230 KM E OF BARBADOS ABOUT 250 MI...400 KM ESE OF ST. LUCIA MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H PRESENT MOVEMENT...W OR 270 DEGREES AT 18 MPH...30 KM/H MINIMUM CENTRAL PRESSURE...1005 MB...29.68 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Warning is in effect for... * Martinique * St. Lucia * Barbados * St. Vincent and the Grenadines A Tropical Storm Watch is in effect for... * Dominica A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area, in this case within 12 to 24 hours. A Tropical Storm Watch means that tropical storm conditions are possible within the watch area, in this case within 12 to 24 hours. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ At 1100 PM AST (0300 UTC), the center of Tropical Storm Harvey was located near latitude 13.0 North, longitude 57.4 West. Harvey is moving toward the west near 18 mph (30 km/h), and a continued westward motion with a slight increase in forward speed is expected over the next couple of days. On the forecast track, Harvey should move through the Windward Islands and into the eastern Caribbean Sea on Friday. Maximum sustained winds are near 40 mph (65 km/h) with higher gusts. Slow strengthening is possible during the next 48 hours. Tropical-storm-force winds extend outward up to 60 miles (95 km) from the center. The estimated minimum central pressure is 1005 mb (29.68 inches). HAZARDS AFFECTING LAND ---------------------- WIND: Tropical storm conditions are expected to first reach the Lesser Antilles within the warning area by early Friday, making outside preparations difficult or dangerous. Tropical storm conditions are possible in the watch area on Friday. RAINFALL: Harvey is expected to produce rainfall totals of 2 to 4 inches across portions of the Windward Islands from Martinique southward to Grenada. These rains could cause life-threatening flash floods and mudslides. NEXT ADVISORY ------------- Next intermediate advisory at 200 AM AST. Next complete advisory at 500 AM AST. $$ Forecaster Pasch |
