ZCZC MIATCPAT1 ALL TTAA00 KNHC DDHHMM BULLETIN Hurricane Irma Advisory Number 9 NWS National Hurricane Center Miami FL AL112017 1100 AM AST Fri Sep 01 2017 ...IRMA FORECAST TO REMAIN A POWERFUL HURRICANE FOR DAYS... SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION ----------------------------------------------- LOCATION...18.5N 37.8W ABOUT 1580 MI...2540 KM E OF THE LEEWARD ISLANDS MAXIMUM SUSTAINED WINDS...110 MPH...175 KM/H PRESENT MOVEMENT...WNW OR 285 DEGREES AT 13 MPH...20 KM/H MINIMUM CENTRAL PRESSURE...972 MB...28.71 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ At 1100 AM AST (1500 UTC), the center of Hurricane Irma was located near latitude 18.5 North, longitude 37.8 West. Irma is moving toward the west-northwest near 13 mph (20 km/h). A turn toward the west is expected by tonight, followed by a turn toward the west-southwest on Saturday. Maximum sustained winds are near 110 mph (175 km/h) with higher gusts. Fluctuations in strength, up or down, are possible during the next few days, but Irma is expected to remain a powerful hurricane through the weekend. Hurricane-force winds extend outward up to 15 miles (30 km) from the center and tropical-storm-force winds extend outward up to 90 miles (150 km). The estimated minimum central pressure is 972 mb (28.71 inches). HAZARDS AFFECTING LAND ---------------------- None NEXT ADVISORY ------------- Next complete advisory at 500 PM AST. $$ Forecaster Blake NNNN
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