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| #1158410 (Received by flhurricane at: 7:56 AM 22.Oct.2023) TCPAT5 BULLETIN Hurricane Tammy Intermediate Advisory Number 16A NWS National Hurricane Center Miami FL AL202023 800 AM AST Sun Oct 22 2023 ...TAMMY PULLING AWAY FROM THE NORTHERN LEEWARD ISLANDS... SUMMARY OF 800 AM AST...1200 UTC...INFORMATION ---------------------------------------------- LOCATION...18.9N 62.5W ABOUT 60 MI...100 KM NE OF ANGUILLA MAXIMUM SUSTAINED WINDS...85 MPH...140 KM/H PRESENT MOVEMENT...NNW OR 335 DEGREES AT 10 MPH...17 KM/H MINIMUM CENTRAL PRESSURE...992 MB...29.30 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: All Hurricane Warnings have been discontinued. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: There are no coastal watches or warnings in effect. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 800 AM AST (1200 UTC), the center of Hurricane Tammy was located near latitude 18.9 North, longitude 62.5 West. Tammy is moving toward the north-northwest near 10 mph (17 km/h) and this general motion is expected today, followed by a turn toward the north or north-northeast on Monday. Maximum sustained winds are near 85 mph (140 km/h) with higher gusts. Some strengthening is possible today followed by fluctuations in strength thereafter. 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: An additional 2 to 4 inches, with storm total maximum of 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 1100 AM AST. $$ Forecaster Cangialosi |
