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| #1063301 (Received by flhurricane at: 10:57 PM 25.Sep.2021) TCPAT3 BULLETIN Hurricane Sam Advisory Number 14 NWS National Hurricane Center Miami FL AL182021 1100 PM AST Sat Sep 25 2021 ...NOAA HURRICANE HUNTER AIRCRAFT FINDS THAT SAM HAS CONTINUED TO RAPIDLY INTENSIFY... ...FLUCTUATIONS IN INTENSITY LIKELY DURING THE NEXT DAY OR SO... SUMMARY OF 1100 PM AST...0300 UTC...INFORMATION ----------------------------------------------- LOCATION...13.5N 49.0W ABOUT 990 MI...1595 KM ESE OF THE NORTHERN LEEWARD ISLANDS MAXIMUM SUSTAINED WINDS...145 MPH...230 KM/H PRESENT MOVEMENT...WNW OR 295 DEGREES AT 8 MPH...13 KM/H MINIMUM CENTRAL PRESSURE...943 MB...27.85 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 1100 PM AST (0300 UTC), the center of Hurricane Sam was located near latitude 13.5 North, longitude 49.0 West. Sam is moving toward the west-northwest near 8 mph (13 km/h), and this general motion is forecast to continue through Sunday. A turn toward the northwest is expected on Monday. Maximum sustained winds are near 145 mph (230 km/h) with higher gusts. Sam is a category 4 hurricane on the Saffir-Simpson Hurricane Wind Scale. Fluctuations in intensity are likely into early next week. Sam remains a small hurricane. Hurricane-force winds extend outward up to 30 miles (45 km) from the center and tropical-storm-force winds extend outward up to 105 miles (165 km). The estimated minimum central pressure based on data from the NOAA reconnaissance aircraft is 943 mb (27.85 inches). HAZARDS AFFECTING LAND ---------------------- SURF: Swells generated by Sam are forecast to reach the Lesser Antilles early next week. These swells could cause life-threatening surf and rip current conditions. Please consult products from your local weather office. NEXT ADVISORY ------------- Next complete advisory at 500 AM AST. $$ Forecaster Stewart |
