Issued at 1100 AM EDT Sun Oct 20 2024
000 WTNT31 KNHC 201455 TCPAT1 BULLETIN Hurricane Oscar Advisory Number 6 NWS National Hurricane Center Miami FL AL162024 1100 AM EDT Sun Oct 20 2024 ...OSCAR STEADY IN INTENSITY AS IT MOVES WEST-SOUTHWESTWARD... ...LANDFALL EXPECTED IN CUBA LATER THIS AFTERNOON ALONG NORTH COASTLINE OF GUANTANAMO AND HOLGUIN PROVINCES... SUMMARY OF 1100 AM EDT...1500 UTC...INFORMATION ----------------------------------------------- LOCATION...20.7N 73.9W ABOUT 55 MI...85 KM WSW OF GREAT INAGUA ISLAND ABOUT 90 MI...145 KM ENE OF GUANTANAMO CUBA MAXIMUM SUSTAINED WINDS...80 MPH...130 KM/H PRESENT MOVEMENT...WSW OR 250 DEGREES AT 7 MPH...11 KM/H MINIMUM CENTRAL PRESSURE...986 MB...29.12 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: The government of the Bahamas has issued a Tropical Storm Watch for the Central Bahamas. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Hurricane Warning is in effect for... * Southeastern Bahamas * North coast of the Cuban Provinces of Holguin and Guantanamo to Punta Maisi A Hurricane Watch is in effect for... * North coast of the Cuban Province of Las Tunas A Tropical Storm Warning is in effect for... * South coast of Cuban Province of Guantanamo * North coast of the Cuban Province of Las Tunas A Tropical Storm Watch is in effect for... * North coast of the Cuban Province of Camaguey * Central Bahamas A Hurricane Warning means that hurricane conditions are expected somewhere within the warning area. Preparations to protect life and property should be rushed to completion. A Hurricane Watch means that hurricane conditions are possible within the watch area. A watch is typically issued 48 hours before the anticipated first occurrence of tropical-storm-force winds, conditions that make outside preparations difficult or dangerous. A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area within 36 hours. A Tropical Storm Watch means that tropical storm conditions are possible within the watch area, generally within 48 hours. Interests in the remainder of the Bahamas should monitor the progress of Oscar. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 1100 AM EDT (1500 UTC), the center of Hurricane Oscar was located near latitude 20.7 North, longitude 73.9 West. Oscar is moving toward the west-southwest near 7 mph (11 km/h). A continued west-southwestward motion at a slow forward speed is expected through tonight, followed by a turn toward the northwest and north on Monday and Tuesday. On the forecast track, the center of Oscar is expected to make landfall along the northeastern coast of Cuba later this afternoon or evening. The system is then expected to move across eastern Cuba tonight and Monday. Oscar will then accelerate northeastward across the central Bahamas on Tuesday. Maximum sustained winds remain near 80 mph (130 km/h) with higher gusts. Oscar is expected to reach the northeastern coast of Cuba as a hurricane later this afternoon. Weakening is expected after landfall, but Oscar could still be a tropical storm when it moves north of Cuba late Monday and moves across the central Bahamas on Tuesday. Hurricane-force winds extend outward up to 10 miles (20 km) from the center and tropical-storm-force winds extend outward up to 45 miles (75 km). The estimated minimum central pressure measured by aircraft dropsonde observations is 986 mb (29.12 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Oscar can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT1 and WMO header WTNT41 KNHC and on the web at hurricanes.gov/text/MIATCDAT1.shtml WIND: Hurricane conditions will continue across portions of the warning area in the southeastern Bahamas, particularly Great Inagua Island, through this morning. Hurricane conditions are expected in the warning area in Cuba late this afternoon and evening. Tropical storm conditions are expected in the warning area and possible in the watch area of Cuba this afternoon into Monday. RAINFALL: Through Wednesday morning, rainfall amounts of 5 to 10 inches with isolated amounts of 15 inches are expected across eastern Cuba. Across the southeastern Bahamas, 3 to 5 inches are expected, with isolated amounts around 8 inches. Across the Turks and Caicos, an additional 2 to 4 inches of rain is expected through Wednesday morning. For a complete depiction of forecast rainfall associated with Hurricane Oscar, please see the National Weather Service Storm Total Rainfall Graphic, available at hurricanes.gov/graphics_at1.shtml?rainqpf . STORM SURGE: A dangerous storm surge is expected to produce significant coastal flooding on Great Inagua Island in the southeastern Bahamas, where water levels are expected to be between 2 and 4 feet above normal tide levels. Water levels of 1 to 3 ft above normal tide levels are expected along the north shore of Cuba in areas of onshore winds. Near the coast, the surge will be accompanied by large and destructive waves. NEXT ADVISORY ------------- Next intermediate advisory at 200 PM EDT. Next complete advisory at 500 PM EDT. $$ Forecaster Papin
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