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| #901108 (Received by flhurricane at: 4:50 PM 01.Sep.2017) TCPAT1 BULLETIN Hurricane Irma Advisory Number 10 NWS National Hurricane Center Miami FL AL112017 500 PM AST Fri Sep 01 2017 ...IRMA TURNS WESTWARD WITH 120-MPH WINDS... SUMMARY OF 500 PM AST...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...18.8N 39.1W ABOUT 1495 MI...2405 KM E OF THE LEEWARD ISLANDS MAXIMUM SUSTAINED WINDS...120 MPH...195 KM/H PRESENT MOVEMENT...W OR 275 DEGREES AT 13 MPH...20 KM/H MINIMUM CENTRAL PRESSURE...964 MB...28.47 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. Interests in the northern Leeward Islands should monitor the progress of this system. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ At 500 PM AST (2100 UTC), the center of Hurricane Irma was located near latitude 18.8 North, longitude 39.1 West. Irma is moving toward the west near 13 mph (20 km/h). A turn toward the west-southwest is expected tomorrow. Maximum sustained winds are near 120 mph (195 km/h) with higher gusts. Irma is a category 3 hurricane on the Saffir-Simpson Hurricane Wind Scale. 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 25 miles (35 km) from the center and tropical-storm-force winds extend outward up to 105 miles (165 km). The estimated minimum central pressure is 964 mb (28.47 inches). HAZARDS AFFECTING LAND ---------------------- None NEXT ADVISORY ------------- Next complete advisory at 1100 PM AST. $$ Forecaster Blake |