Issued at 1100 AM AST Wed Oct 25 2023
000 WTNT35 KNHC 251454 TCPAT5 BULLETIN Hurricane Tammy Advisory Number 29 NWS National Hurricane Center Miami FL AL202023 1100 AM AST Wed Oct 25 2023 ...TAMMY STRENGTHENS FURTHER WHILE MOVING NORTHEASTWARD... SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION ----------------------------------------------- LOCATION...26.6N 59.3W ABOUT 515 MI...825 KM SE OF BERMUDA MAXIMUM SUSTAINED WINDS...105 MPH...165 KM/H PRESENT MOVEMENT...NE OR 45 DEGREES AT 13 MPH...20 KM/H MINIMUM CENTRAL PRESSURE...965 MB...28.50 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 Tammy was located near latitude 26.6 North, longitude 59.3 West. Tammy is moving toward the northeast near 13 mph (20 km/h). A northward turn is expected later today, followed by a slower northwestward to west-northwestward motion on Thursday and Friday. Maximum sustained winds have increased to near 105 mph (165 km/h) with higher gusts. Gradual weakening is expected for the next few days. Tammy is forecast to become a powerful post-tropical cyclone by Thursday. Hurricane-force winds extend outward up to 25 miles (35 km) from the center and tropical-storm-force winds extend outward up to 175 miles (280 km). The estimated minimum central pressure is 965 mb (28.50 inches). HAZARDS AFFECTING LAND ---------------------- SURF: Swells generated by Tammy will continue to affect portions of Bermuda, the northern Leeward Islands, the British and U.S. Virgin Islands, and Puerto Rico during the next couple of days. These swells are likely to 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 Bucci/R. Zelinsky
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