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| #940150 (Received by flhurricane at: 10:32 AM 14.Sep.2018) TCPAT4 BULLETIN Tropical Depression Isaac Advisory Number 28 NWS National Hurricane Center Miami FL AL092018 1100 AM AST Fri Sep 14 2018 ...BANDS OF RAIN FROM ISAAC CONTINUE TO AFFECT THE LESSER ANTILLES... SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION ----------------------------------------------- LOCATION...14.9N 67.3W ABOUT 300 MI...485 KM SE OF SANTO DOMINGO DOMINICAN REPUBLIC ABOUT 665 MI...1070 KM ESE OF KINGSTON JAMAICA MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H PRESENT MOVEMENT...W OR 270 DEGREES AT 16 MPH...26 KM/H MINIMUM CENTRAL PRESSURE...1007 MB...29.74 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 1100 AM AST (1500 UTC), the center of Tropical Depression Isaac was located near latitude 14.9 North, longitude 67.3 West. The depression is moving toward the west near 16 mph (26 km/h), and this general motion with some decrease in forward speed is expected over the next couple of days. A turn to the west-northwest is possible early next week if Isaac survives. On the forecast track, Isaac will move over the eastern and central Caribbean Sea during the next few days. Maximum sustained winds are near 35 mph (55 km/h) with higher gusts. Isaac is forecast to gradually weaken over the next few days, and could degenerate into a tropical wave at any time. A NOAA Hurricane Hunter aircraft is currently en route to investigate the depression. The estimated minimum central pressure is 1007 mb (29.74 inches). HAZARDS AFFECTING LAND ---------------------- RAINFALL: Isaac is expected to produce additional rainfall of 2 to 3 inches with isolated maximum totals of up to 5 inches across southeast Puerto Rico. Rainfall totals of 1 to 2 inches with maximum amounts of 3 inches are possible across the remainder of Puerto Rico, the Virgin Islands, the Leeward Islands and the northern Windward Islands. Rainfall totals of 2 to 3 inches with isolated maximum amounts of 4 inches are possible across the south- central portion of the Dominican Republic, southwest Haiti and Jamaica. This rainfall may cause life-threatening flash floods. NEXT ADVISORY ------------- Next complete advisory at 500 PM AST. $$ Forecaster Blake |
