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| #939312 (Received by flhurricane at: 4:41 AM 10.Sep.2018) TCPAT4 BULLETIN Hurricane Isaac Advisory Number 11 NWS National Hurricane Center Miami FL AL092018 500 AM AST Mon Sep 10 2018 ...ISAAC HOLDING STEADY IN STRENGTH OVER THE CENTRAL ATLANTIC... SUMMARY OF 500 AM AST...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...14.7N 42.7W ABOUT 1230 MI...1985 KM E OF THE WINDWARD ISLANDS MAXIMUM SUSTAINED WINDS...75 MPH...120 KM/H PRESENT MOVEMENT...W OR 275 DEGREES AT 13 MPH...20 KM/H MINIMUM CENTRAL PRESSURE...993 MB...29.33 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 Hurricane Isaac was located near latitude 14.7 North, longitude 42.7 West. Isaac is moving toward the west near 13 mph (20 km/h). A westward motion with a slight increase in forward speed is forecast through the end of the week. On the forecast track, Isaac is forecast to move across the Lesser Antilles and into the eastern Caribbean Sea on Thursday. Maximum sustained winds remain near 75 mph (120 km/h) with higher gusts. Additional strengthening is expected over the next day or two. Weakening is forecast to begin by the middle of the week as Isaac approaches the Lesser Antilles. Isaac is a small hurricane. Hurricane-force winds extend outward up to 10 miles (20 km) from the center and tropical-storm-force winds extend outward up to 45 miles (75 km). The estimated minimum central pressure is 993 mb (29.33 inches). HAZARDS AFFECTING LAND ---------------------- None. NEXT ADVISORY ------------- Next complete advisory at 1100 AM AST. $$ Forecaster Cangialosi |
