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Tropical Storm Isaac Public Advisory Number 15
2018-09-11 10:31:29| National Hurricane Center (Atlantic)
Issued at 500 AM AST Tue Sep 11 2018 303 WTNT34 KNHC 110831 TCPAT4 BULLETIN Tropical Storm Isaac Advisory Number 15 NWS National Hurricane Center Miami FL AL092018 500 AM AST Tue Sep 11 2018 ...ISAAC REMAINS A STRONG TROPICAL STORM OVER THE CENTRAL TROPICAL ATLANTIC... SUMMARY OF 500 AM AST...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...14.6N 48.1W ABOUT 880 MI...1420 KM E OF THE LESSER ANTILLES MAXIMUM SUSTAINED WINDS...70 MPH...110 KM/H PRESENT MOVEMENT...W OR 270 DEGREES AT 14 MPH...22 KM/H MINIMUM CENTRAL PRESSURE...997 MB...29.44 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. Interests in the Lesser Antilles should monitor the progress of Isaac. DISCUSSION AND OUTLOOK ---------------------- At 500 AM AST (0900 UTC), the center of Tropical Storm Isaac was located near latitude 14.6 North, longitude 48.1 West. Isaac is moving toward the west near 14 mph (22 km/h). This general motion is expected to continue through the end of the week. On the forecast track, Isaac should move across the Lesser Antilles and into the eastern Caribbean Sea on Thursday. Maximum sustained winds remain near 70 mph (110 km/h) with higher gusts. Little change in strength is forecast during the next few days, but Isaac is forecast to be at or near hurricane strength as it approaches the Lesser Antilles. Tropical-storm-force winds extend outward up to 45 miles (75 km) from the center. The estimated minimum central pressure is 997 mb (29.44 inches). HAZARDS AFFECTING LAND ---------------------- RAINFALL: Isaac is expected to produce total rainfall accumulations of 2 to 4 inches with isolated amounts near 6 inches across the Leeward Islands late this week, with 1 to 2 inches anticipated across the Windward Islands. NEXT ADVISORY ------------- Next complete advisory at 1100 AM AST. $$ Forecaster Cangialosi
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