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| #901290 (Received by flhurricane at: 10:53 AM 03.Sep.2017) TCPAT1 BULLETIN Hurricane Irma Advisory Number 17 NWS National Hurricane Center Miami FL AL112017 1100 AM AST Sun Sep 03 2017 ...CATEGORY THREE HURRICANE IRMA MOVING WEST-SOUTHWESTWARD... ...INTERESTS IN THE LEEWARD ISLANDS SHOULD MONITOR THE PROGRESS OF IRMA... SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION ----------------------------------------------- LOCATION...17.7N 48.4W ABOUT 885 MI...1420 KM E OF THE LEEWARD ISLANDS MAXIMUM SUSTAINED WINDS...115 MPH...185 KM/H PRESENT MOVEMENT...WSW OR 255 DEGREES AT 14 MPH...22 KM/H MINIMUM CENTRAL PRESSURE...969 MB...28.62 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. Interests in the Leeward Islands should monitor the progress of Irma. Hurricane and Tropical Storm Watches will likely be required for portions of these islands later today or tonight. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ At 1100 AM AST (1500 UTC), the center of Hurricane Irma was located near latitude 17.7 North, longitude 48.4 West. Irma is moving toward the west-southwest near 14 mph (22 km/h) and this course at a slightly slower forward speed is expected through tonight. A turn toward the west is forecast on Monday. 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. Some strengthening is forecast during the next 48 hours. Hurricane-force winds extend outward up to 25 miles (35 km) from the center and tropical-storm-force winds extend outward up to 80 miles (130 km). The estimated minimum central pressure is 969 mb (28.62 inches). HAZARDS AFFECTING LAND ---------------------- None NEXT ADVISORY ------------- Next complete advisory at 500 PM AST. $$ Forecaster Brown |
