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| #1158421 (Received by flhurricane at: 10:43 AM 22.Oct.2023) TCPAT5 BULLETIN Hurricane Tammy Advisory Number 17 NWS National Hurricane Center Miami FL AL202023 1100 AM AST Sun Oct 22 2023 ...TAMMY PULLING AWAY FROM THE NORTHERN LEEWARD ISLANDS... SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION ----------------------------------------------- LOCATION...19.1N 63.0W ABOUT 60 MI...100 KM N OF ANGUILLA MAXIMUM SUSTAINED WINDS...80 MPH...130 KM/H PRESENT MOVEMENT...NW OR 320 DEGREES AT 9 MPH...15 KM/H MINIMUM CENTRAL PRESSURE...992 MB...29.30 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 19.1 North, longitude 63.0 West. Tammy is moving toward the northwest near 9 mph (15 km/h) and this general motion is expected today. A turn toward the north is expected tonight, followed by a north-northeast or northeast motion on Tuesday. Maximum sustained winds are near 80 mph (130 km/h) with higher gusts. Little change in strength is forecast during the next few days. Hurricane-force winds extend outward up to 25 miles (35 km) from the center and tropical-storm-force winds extend outward up to 140 miles (220 km). The estimated minimum central pressure is 992 mb (29.30 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Tammy can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT5 and WMO header WTNT45 KNHC and on the web at hurricanes.gov/text/MIATCDAT5.shtml RAINFALL: Tammy is expected to produce the following storm total rainfall: Leeward Islands: 4 to 8 inches with storm total maximum amounts of 12 inches Martinique and Dominica: Additional 2 to 4 inches, storm total maximum 6 inches British and U.S. Virgin Islands into eastern Puerto Rico: 1 to 2 inches with maximum storm total amounts of 4 inches These rains may produce isolated flash and urban flooding, along with isolated mudslides in areas of higher terrain. SURF: Swells generated by Tammy will continue to affect portions of the Lesser Antilles during the next few 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 Cangialosi |
