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| #939282 (Received by flhurricane at: 10:53 PM 09.Sep.2018) TCPAT4 BULLETIN Hurricane Isaac Advisory Number 10 NWS National Hurricane Center Miami FL AL092018 1100 PM AST Sun Sep 09 2018 ...ISAAC BECOMES THE FIFTH HURRICANE OF THE 2018 ATLANTIC SEASON... SUMMARY OF 1100 PM AST...0300 UTC...INFORMATION ----------------------------------------------- LOCATION...14.5N 41.6W ABOUT 1305 MI...2100 KM E OF THE WINDWARD ISLANDS MAXIMUM SUSTAINED WINDS...75 MPH...120 KM/H PRESENT MOVEMENT...W OR 275 DEGREES AT 14 MPH...22 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 1100 PM AST (0300 UTC), the center of Hurricane Isaac was located near latitude 14.5 North, longitude 41.6 West. Isaac is moving toward the west near 14 mph (22 km/h) and it is expected to accelerate during the next 36 hours. A westward motion is forecast to continue through the end of the week, with Isaac expected to move across the Lesser Antilles and into the eastern Caribbean Sea Wednesday night or Thursday. Maximum sustained winds have increased to 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. 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 500 AM AST. $$ Forecaster Zelinsky |
