Issued at 500 AM EDT Mon Oct 21 2024
000 WTNT31 KNHC 210836 TCPAT1 BULLETIN Tropical Storm Oscar Advisory Number 9 NWS National Hurricane Center Miami FL AL162024 500 AM EDT Mon Oct 21 2024 ...OSCAR PRODUCING HEAVY RAINFALL AND LIFE-THREATENING FLASH FLOODING OVER EASTERN CUBA... SUMMARY OF 500 AM EDT...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...20.2N 75.1W ABOUT 5 MI...10 KM E OF GUANTANAMO CUBA ABOUT 60 MI...95 KM W OF THE EASTERN TIP OF CUBA MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H PRESENT MOVEMENT...W OR 270 DEGREES AT 2 MPH...4 KM/H MINIMUM CENTRAL PRESSURE...999 MB...29.50 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Warning is in effect for... * North coast of the Cuban Provinces of Las Tunas, Holguin, and Guantanamo to Punta Maisi * South coast of Cuban Province of Guantanamo * Southeastern Bahamas A Tropical Storm Watch is in effect for... * North coast of the Cuban Province of Camaguey * Central Bahamas A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning. A Tropical Storm Watch means that tropical storm conditions are possible within the watch area, in this case within the next 24 to 36 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 500 AM EDT (0900 UTC), the center of Tropical Storm Oscar was located near latitude 20.2 North, longitude 75.1 West. Oscar is moving toward the west near 2 mph (4 km/h). A turn to the northwest and north is expected later today, followed by a faster northeastward motion on Tuesday and Wednesday. On the forecast track, the center of Oscar is expected to continue moving across eastern Cuba through this afternoon, then emerge off the northern coast of Cuba late today or tonight and move near the southeastern and central Bahamas on Tuesday. Maximum sustained winds have decreased to near 50 mph (85 km/h) with higher gusts. Some additional weakening is likely while Oscar moves across the mountainous terrain of eastern Cuba, but Oscar is forecast to be a tropical storm when it moves north of Cuba late today and then moves near the southeastern and central Bahamas on Tuesday. Tropical-storm-force winds extend outward up to 45 miles (75 km) from the center. The estimated minimum central pressure is 999 mb (29.50 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: Tropical storm conditions are expected in the warning area and possible in the watch area of Cuba today. Tropical storm conditions are expected in the warning area in parts of the southeastern Bahamas and possible in the watch area in parts of the central Bahamas tonight and Tuesday. RAINFALL: Through Wednesday morning, rainfall amounts of 7 to 14 inches with isolated amounts of 20 inches are expected across eastern Cuba, especially within the Sierra Maestra. This rainfall will lead to areas of significant, life-threatening flash flooding along with mudslides. Across the southeastern Bahamas, 3 to 5 inches are expected, with isolated amounts around 8 inches. This rainfall could cause localized flash flooding. For a complete depiction of forecast rainfall associated with Oscar, please see the National Weather Service Storm Total Rainfall Graphic, available at hurricanes.gov/graphics_at1.shtml?rainqpf STORM SURGE: Elevated water levels in areas of onshore flow along the coast of eastern Cuba will gradually subside later today and tonight. Near the coast, large and dangerous waves will continue into early Tuesday. NEXT ADVISORY ------------- Next intermediate advisory at 800 AM EDT. Next complete advisory at 1100 AM EDT. $$ Forecaster Brown
