Issued at 1100 PM AST Thu Sep 22 2022
392 WTNT32 KNHC 230256 TCPAT2 BULLETIN Hurricane Fiona Advisory Number 35 NWS National Hurricane Center Miami FL AL072022 1100 PM AST Thu Sep 22 2022 ...TROPICAL STORM CONDITIONS BEGINNING ON BERMUDA WITH HURRICANE CONDITIONS EXPECTED OVERNIGHT... ...HURRICANE WARNINGS ISSUED FOR PORTIONS OF ATLANTIC CANADA... SUMMARY OF 1100 PM AST...0300 UTC...INFORMATION ----------------------------------------------- LOCATION...31.9N 68.1W ABOUT 195 MI...315 KM W OF BERMUDA ABOUT 910 MI...1465 KM SSW OF HALIFAX NOVA SCOTIA MAXIMUM SUSTAINED WINDS...130 MPH...215 KM/H PRESENT MOVEMENT...NNE OR 30 DEGREES AT 21 MPH...33 KM/H MINIMUM CENTRAL PRESSURE...932 MB...27.53 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: The Canadian Hurricane Centre has upgraded all Hurricane Watches to Hurricane Warnings, and all Tropical Storm Watches to Tropical Storm Warnings, with a few additional modifications. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Hurricane Warning is in effect for... * Bermuda * Nova Scotia from Hubbards to Brule * Prince Edward Island * Isle-de-la-Madeleine * Newfoundland from Parson's Pond to Francois A Tropical Storm Warning is in effect for... * St. Andrews New Brunswick to west of Hubbards Nova Scotia * West of Brule Nova Scotia to Cap Madeleine Quebec * Anticosti Island * Sheldrake Quebec to north of Parson's Pond Newfoundland * Boat Harbor to Hare Bay Newfoundland * Francois to St Lawrence Newfoundland A Tropical Storm Watch is in effect for... * North of Boat Harbor Newfoundland to West Bay Labrador A Hurricane Warning means that hurricane conditions are expected somewhere within the warning area. A warning is typically issued 36 hours before the anticipated first occurrence of tropical-storm-force winds, conditions that make outside preparations difficult or dangerous. Preparations to protect life and property should be rushed to completion. 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 elsewhere in Atlantic Canada should monitor the progress of this system. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 1100 PM AST (0300 UTC), the center of Hurricane Fiona was located near latitude 31.9 North, longitude 68.1 West. Fiona is moving toward the north-northeast near 21 mph (33 km/h). A north-northeast or northeastward motion with an increase in forward speed is expected through Friday. Some reduction in forward speed with a turn toward the north is forecast Friday night through Sunday. On the forecast track, the center of Fiona will pass just to the west of Bermuda overnight. Fiona's center will then approach Nova Scotia on Friday, move across Nova Scotia and into the Gulf of St. Lawrence on Saturday, and then across Labrador over the Labrador Sea on Sunday. Data from an Air Force Reserve Hurricane Hunter aircraft indicate that Maximum sustained winds remain near 130 mph (215 km/h) with higher gusts. Fiona is a category 4 hurricane on the Saffir-Simpson Hurricane Wind Scale. Some slight weakening is forecast to begin tonight or on Friday, however Fiona is forecast to be a large and powerful post-tropical cyclone with hurricane-force winds when it approaches and moves over Nova Scotia Friday night and Saturday. Hurricane-force winds extend outward up to 115 miles (185 km) from the center and tropical-storm-force winds extend outward up to 275 miles (445 km). The estimated minimum central pressure is 932 mb (27.53 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for 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: Tropical storm conditions have begun on Bermuda, with hurricane conditions expected overnight. Tropical storm conditions should diminish during the day on Friday. Hurricane conditions are expected in portions of the hurricane warning area in Canada by late Friday night or early Saturday. Tropical storm conditions are expected in portions of the tropical storm warning area in Canada by late Friday. Tropical storm conditions are possible in the watch area in Labrador on Sunday. RAINFALL: Fiona is forecast to produce the following rainfall: Bermuda: 2 to 4 inches (50 to 100 mm). Nova Scotia, Prince Edward Island, and western Newfoundland: 3 to 6 inches (75 to 150 mm), with local maximum up to 10 inches (250 mm). This rainfall could result in areas of flooding, some of which may be significant in nature. Eastern Newfoundland: 1 to 3 inches (25 to 75 mm). Eastern Quebec: 2 to 5 inches (50 to 125 mm). Eastern New Brunswick: 1 to 3 inches (25 to 75 mm). STORM SURGE: A storm surge will cause elevated water levels along the coast of Bermuda in areas of onshore winds beginning tonight. Near the coast, the surge will be accompanied by large and destructive waves. A dangerous storm surge could produce coastal flooding within the warning areas in Atlantic Canada in areas of onshore winds. Near the coast, the surge will be accompanied by large and destructive waves. SURF: Swells generated by Fiona are affecting the Turks and Caicos Islands, the Bahamas, the southeastern United States coast, and Bermuda. These swells will continue to spread northwestward across the western Atlantic toward the mid-Atlantic and northeast coasts of the United States and Atlantic Canada tonight and on Friday. These swells are likely to cause life-threatening surf and rip current conditions. Please consult products from your local weather office. NEXT ADVISORY ------------- Next intermediate advisory at 200 AM AST. Next complete advisory at 500 AM AST. $$ Forecaster Berg
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