712 WTNT32 KNHC 280831 TCPAT2 BULLETIN Tropical Storm Kirk Advisory Number 18 NWS National Hurricane Center Miami FL AL122018 500 AM AST Fri Sep 28 2018 ...KIRK MOVED INTO THE EASTERN CARIBBEAN SEA BUT ASSOCIATED WEATHER IS STILL SPREADING ACROSS PORTIONS OF THE LESSER ANTILLES... SUMMARY OF 500 AM AST...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...13.2N 62.5W ABOUT 110 MI...175 KM WSW OF ST. LUCIA ABOUT 145 MI...230 KM SW OF MARTINIQUE MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H PRESENT MOVEMENT...W OR 270 DEGREES AT 12 MPH...19 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... * Barbados * St. Lucia * Dominica * Martinique * Guadeloupe A Tropical Storm Watch is in effect for... * St. Vincent and the Grenadines These watches and warnings will likely be gradually discontinued later today. Interest elsewhere in the central and northern Lesser Antilles should continue to monitor the progress of Kirk. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 500 AM AST (0900 UTC), the center of Tropical Storm Kirk was located near latitude 13.2 North, longitude 62.5 West. Kirk is moving toward the west near 12 mph (19 km/h), and this motion is expected to continue during the next day or two. On the forecast track, Kirk's center, or its remnants, will move across the eastern and central Caribbean Sea over the next 2 or 3 days. Maximum sustained winds are near 50 mph (85 km/h) with higher gusts. Kirk is forecast to weaken to a tropical depression later today or Saturday, and then degenerate into a trough of low pressure. Tropical-storm-force winds extend outward up to 115 miles (185 km) to the north and east of the center. The estimated minimum central pressure is 1005 mb (29.68 inches). HAZARDS AFFECTING LAND ---------------------- WIND: Tropical storm conditions are still occurring over portions of the warning area and should continue to spread across the remainder of the warning area today. Tropical storm conditions are possible within the watch area during the next several hours. Locally higher winds are likely atop and on the windward sides of hills and mountains. RAINFALL: Kirk is expected to produce total rainfall of 4 to 6 inches across the northern Windward and southern Leeward Islands with isolated maximum totals up to 10 inches across Martinique and Dominica. These rains may produce life-threatening flash floods and mudslides. Across Saint Croix and eastern Puerto Rico, Kirk is expected to bring 2 to 4 inches with isolated maximum totals of 6 inches today and Saturday. NEXT ADVISORY ------------- Next intermediate advisory at 800 AM AST. Next complete advisory at 1100 AM AST. $$ Forecaster Avila