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| #940084 (Received by flhurricane at: 4:32 AM 14.Sep.2018) TCPAT4 BULLETIN Tropical Depression Isaac Advisory Number 27 NWS National Hurricane Center Miami FL AL092018 500 AM AST Fri Sep 14 2018 ...ISAAC WEAKENS TO A DEPRESSION OVER THE EASTERN CARIBBEAN SEA... ...BANDS OF RAIN LINGERING OVER THE LESSER ANTILLES... SUMMARY OF 500 AM AST...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...15.0N 65.5W ABOUT 190 MI...310 KM SSW OF ST. CROIX ABOUT 380 MI...610 KM SE OF SANTO DOMINGO DOMINICAN REPUBLIC MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H PRESENT MOVEMENT...W OR 275 DEGREES AT 15 MPH...24 KM/H MINIMUM CENTRAL PRESSURE...1006 MB...29.71 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 500 AM AST (0900 UTC), the center of Tropical Depression Isaac was located near latitude 15.0 North, longitude 65.5 West. The depression is moving toward the west near 15 mph (24 km/h), and this general motion with some decrease in forward speed is expected over the next few days. On the forecast track, Isaac will move over the eastern and central Caribbean Sea during the next few days. Maximum sustained winds have decreased to 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. The estimated minimum central pressure is 1006 mb (29.71 inches). HAZARDS AFFECTING LAND ---------------------- RAINFALL: Isaac is expected to produce additional rainfall of 2 to 3 inches with isolated amounts up to 5 inches across the northern Windward Islands into the Leeward islands, and southeastern Puerto Rico. Totals of 1 to 2 inches with maximum amounts of 3 inches are possible across the remainder of Puerto Rico, the Virgin Islands, Dominican Republic and Haiti. This rainfall may cause life-threatening flash flooding. NEXT ADVISORY ------------- Next complete advisory at 1100 AM AST. $$ Forecaster Brown |
