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| #901135 (Received by flhurricane at: 10:44 PM 01.Sep.2017) TCPAT1 BULLETIN Hurricane Irma Advisory Number 11 NWS National Hurricane Center Miami FL AL112017 1100 PM AST Fri Sep 01 2017 ...IRMA FLUCTUATING IN INTENSITY BUT STILL A POWERFUL HURRICANE... SUMMARY OF 1100 PM AST...0300 UTC...INFORMATION ----------------------------------------------- LOCATION...19.1N 40.5W ABOUT 1405 MI...2260 KM E OF THE LEEWARD ISLANDS MAXIMUM SUSTAINED WINDS...115 MPH...185 KM/H PRESENT MOVEMENT...W OR 275 DEGREES AT 14 MPH...22 KM/H MINIMUM CENTRAL PRESSURE...967 MB...28.56 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 1100 PM AST (0300 UTC), the center of Hurricane Irma was located near latitude 19.1 North, longitude 40.5 West. Irma is moving toward the west near 14 mph (22 km/h). A turn toward the west-southwest is expected on Saturday. Maximum sustained winds are near 115 mph (185 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 70 miles (110 km). The estimated minimum central pressure is 967 mb (28.56 inches). HAZARDS AFFECTING LAND ---------------------- None NEXT ADVISORY ------------- Next complete advisory at 500 AM AST. $$ Forecaster Zelinsky |
