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| #874941 (Received by flhurricane at: 4:35 AM 15.Sep.2016) TCPAT5 BULLETIN TROPICAL STORM IAN ADVISORY NUMBER 12 NWS NATIONAL HURRICANE CENTER MIAMI FL AL102016 500 AM AST THU SEP 15 2016 ...IAN ACCELERATING NORTH-NORTHEASTWARD... ...EXPECTED TO REMAIN A POWERFUL CYCLONE AS IT BECOMES POST-TROPICAL... SUMMARY OF 500 AM AST...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...35.5N 52.4W ABOUT 745 MI...1195 KM ENE OF BERMUDA MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H PRESENT MOVEMENT...NNE OR 25 DEGREES AT 20 MPH...31 KM/H MINIMUM CENTRAL PRESSURE...998 MB...29.47 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ At 500 AM AST (0900 UTC), the center of Tropical Storm Ian was located near latitude 35.5 North, longitude 52.4 West. Ian is moving toward the north-northeast near 20 mph (31 km/h). A turn toward the northeast and an increase in forward speed are expected today, followed by a further increase in forward speed tonight and Friday. Maximum sustained winds are near 50 mph (85 km/h) with higher gusts. Some strengthening is forecast during the next 48 hours, and Ian is expected to remain a powerful cyclone while it loses tropical characteristics by Friday. Tropical-storm-force winds extend outward up to 175 miles (280 km) from the center. The estimated minimum central pressure is 998 mb (29.47 inches). HAZARDS AFFECTING LAND ---------------------- None. NEXT ADVISORY ------------- Next complete advisory at 1100 AM AST. $$ Forecaster Brennan |
