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Hurricane Sam Public Advisory Number 40
2021-10-02 16:49:38| National Hurricane Center (Atlantic)
Issued at 1100 AM AST Sat Oct 02 2021 000 WTNT33 KNHC 021449 TCPAT3 BULLETIN Hurricane Sam Advisory Number 40 NWS National Hurricane Center Miami FL AL182021 1100 AM AST Sat Oct 02 2021 ...STEADFAST SAM MAINTAINING CATEGORY 4 WINDS... SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION ----------------------------------------------- LOCATION...33.9N 59.3W ABOUT 335 MI...540 KM ENE OF BERMUDA ABOUT 940 MI...1515 KM SSW OF CAPE RACE NEWFOUNDLAND MAXIMUM SUSTAINED WINDS...130 MPH...215 KM/H PRESENT MOVEMENT...NE OR 35 DEGREES AT 17 MPH...28 KM/H MINIMUM CENTRAL PRESSURE...945 MB...27.91 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 1100 AM AST (1500 UTC), the center of Hurricane Sam was located near latitude 33.9 North, longitude 59.3 West. Sam is moving toward the northeast near 17 mph (28 km/h). This general track with an increase in forward speed is expected for the next few days. On the forecast track, Sam will continue to move away from Bermuda. Maximum sustained winds remain near 130 mph (215 km/h) with higher gusts. Sam is a category 4 hurricane on the Saffir-Simpson Hurricane Wind Scale. Some slow weakening is forecast during the next 36 hours, followed by more significant weakening early next week. Sam could become a powerful post-tropical cyclone on Tuesday. Sam is becoming a large tropical cyclone. Hurricane-force winds extend outward up to 65 miles (100 km) from the center and tropical-storm-force winds extend outward up to 240 miles (390 km). The estimated minimum central pressure is 945 mb (27.91 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Sam can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT3 and WMO header WTNT43 KNHC, and on the web at hurricanes.gov/graphics_at3.shtml?key_messages. SURF: Swells generated by Sam will impact the northern Leeward Islands, the Greater Antilles, the Bahamas, the eastern United States and Atlantic Canada for the next couple of days. 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 PM AST. $$ Forecaster Blake
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