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| #1063196 (Received by flhurricane at: 4:51 AM 25.Sep.2021) TCPAT3 BULLETIN Hurricane Sam Advisory Number 11 NWS National Hurricane Center Miami FL AL182021 500 AM AST Sat Sep 25 2021 ...SAM ALMOST A MAJOR HURRICANE... ...ADDITIONAL STRENGTHENING EXPECTED... SUMMARY OF 500 AM AST...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...12.8N 46.7W ABOUT 1150 MI...1855 KM ESE OF THE NORTHERN LEEWARD ISLANDS MAXIMUM SUSTAINED WINDS...110 MPH...175 KM/H PRESENT MOVEMENT...WNW OR 290 DEGREES AT 13 MPH...20 KM/H MINIMUM CENTRAL PRESSURE...973 MB...28.74 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 500 AM AST (0900 UTC), the eye of Hurricane Sam was located near latitude 12.8 North, longitude 46.7 West. Sam is moving toward the west-northwest near 13 mph (20 km/h). A slower motion to the west-northwest is expected over the weekend, followed by a turn to the northwest on Monday. Maximum sustained winds have increased to near 110 mph (175 km/h) with higher gusts. Additional strengthening is forecast, and Sam is expected to become a major hurricane later today. Sam is a small hurricane. Hurricane-force winds extend outward up to 15 miles (30 km) from the center and tropical-storm-force winds extend outward up to 60 miles (95 km). The estimated minimum central pressure is 973 mb (28.74 inches). HAZARDS AFFECTING LAND ---------------------- None. NEXT ADVISORY ------------- Next complete advisory at 1100 AM AST. $$ Forecaster Cangialosi |
