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| #1107779 (Received by flhurricane at: 1:56 PM 18.Sep.2022) TCPAT2 BULLETIN Hurricane Fiona Intermediate Advisory Number 17A NWS National Hurricane Center Miami FL AL072022 200 PM AST Sun Sep 18 2022 ...EYE OF FIONA VERY NEAR THE SOUTHWEST COAST OF PUERTO RICO... ...CATASTROPHIC FLOODING EXPECTED ACROSS PUERTO RICO AND THE DOMINICAN REPUBLIC... SUMMARY OF 200 PM AST...1800 UTC...INFORMATION ---------------------------------------------- LOCATION...17.8N 66.9W ABOUT 25 MI...40 KM SW OF PONCE PUERTO RICO MAXIMUM SUSTAINED WINDS...85 MPH...140 KM/H PRESENT MOVEMENT...WNW OR 285 DEGREES AT 8 MPH...13 KM/H MINIMUM CENTRAL PRESSURE...986 MB...29.12 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Hurricane Warning is in effect for... * Puerto Rico, including Vieques and Culebra * The coast of the Dominican Republic from Cabo Caucedo to Cabo Frances Viejo A Hurricane Watch is in effect for... * North coast of the Dominican Republic from Cabo Frances Viejo westward to Puerto Plata A Tropical Storm Warning is in effect for... * U.S. Virgin Islands * British Virgin Islands * North coast of the Dominican Republic from Cabo Frances Viejo westward to Puerto Plata A Tropical Storm Watch is in effect for... * South coast of the Dominican Republic west of Cabo Caucedo to Barahona * Turks and Caicos Islands * Southeastern Bahamas, including the Acklins, Crooked Island, Long Cay, the Inaguas, Mayaguana, and the Ragged Islands A Hurricane Warning means that hurricane conditions are expected somewhere within the warning area, in this case within the next 24 hours. 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. For storm information specific to your area in the United States, including possible inland watches and warnings, please monitor products issued by your local National Weather Service forecast office. For storm information specific to your area outside of the United States, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 200 PM AST (1800 UTC), the center of Hurricane Fiona was located near latitude 17.8 North, longitude 66.9 West. Fiona is moving toward the west-northwest near 8 mph (13 km/h). A northwestward motion is expected to begin later today and continue through Monday, followed by a turn toward the north-northwest on Tuesday. On the forecast track, the center of Fiona will continue to pass near or over southwestern and western Puerto Rico this afternoon and evening. Fiona will then move near the northern coast of the Dominican Republic tonight and Monday, and near or to the east of the Turks and Caicos Islands on Tuesday. Maximum sustained winds have increased to near 85 mph (140 km/h) with higher gusts. Additional strengthening is forecast during the next 48 hours while Fiona moves near Puerto Rico, the Dominican Republic and over the southwestern Atlantic. Tropical-storm-force winds extend outward up to 140 miles (220 km) and hurricane-force winds extend outward up to 30 miles (45 km) from the center. A weather station at Ponce-Isla de Gata Puerto Rico recently reported a sustained wind of 69 mph (111 km/h) and a gust to 103 mph (166 km/h). The minimum central pressure estimated from Hurricane Hunter aircraft and NOAA Saildrone observations is 986 mb (29.12 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Hurricane Fiona can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT2 and WMO header WTNT42 KNHC and on the web at hurricanes.gov/text/MIATCDAT2.shtml. WIND: Hurricane conditions are occurring on Puerto Rico, and are expected in portions of the eastern Dominican Republic tonight and Monday. Hurricane conditions are possible within the hurricane watch area in the Dominican Republic tonight and Monday. Tropical storm conditions are expected to reach portions of the Dominican Republic later today. Tropical storm conditions are possible across the watch area in the Dominican Republic tonight, and in the Turks and Caicos Islands and southeastern Bahamas by early Tuesday. RAINFALL: Fiona is forecast to produce the following rainfall: Leeward Islands: Additional 2 inches or less. British and U.S. Virgin Islands: 4 to 6 inches, maximum of 10 inches on St. Croix. Puerto Rico: 12 to 16 inches with local maximum of 25 inches, particularly across eastern and southern Puerto Rico. Northern and Eastern Dominican Republic: 4 to 8 inches with local maximum 12 inches, particularly along the northeast coast. Rest of Dominican Republic and Haiti: 1 to 3 inches. Turks and Caicos: 3 to 6 inches. These rains will produce life-threatening and catastrophic flash flooding and urban flooding across Puerto Rico and the eastern Dominican Republic, along with mudslides and landslides in areas of higher terrain. STORM SURGE: The combination of storm surge and the tide will cause normally dry areas near the coast to be flooded by rising waters moving inland from the shoreline. The water could reach the following heights above ground somewhere in the indicated areas in areas of onshore winds if the peak surge occurs at the time of high tide... Southern coast of Puerto Rico...1 to 3 ft Vieques and Culebra...1 to 3 ft Localized coastal flooding is also possible elsewhere in Puerto Rico. For information specific to your area, please see products issued by your local National Weather Service forecast office. Storm surge will raise water levels by as much as 1 to 3 feet above normal tide levels along the immediate coast in areas of onshore winds in the Dominican Republic. SURF: Swells generated by Fiona are affecting the Leeward Islands, the northern Windward Islands, the Virgin Islands, Puerto Rico, the northern coast of the Dominican Republic, the Turks and Caicos Islands, and the southeastern Bahamas. These conditions could 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 Pasch |
