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Post-Tropical Cyclone Dorian Public Advisory Number 59A
2019-09-08 01:46:30| National Hurricane Center (Atlantic)
Issued at 800 PM AST Sat Sep 07 2019 000 WTNT35 KNHC 072346 TCPAT5 BULLETIN Post-Tropical Cyclone Dorian Intermediate Advisory Number 59A NWS National Hurricane Center Miami FL AL052019 800 PM AST Sat Sep 07 2019 ...DORIAN RACING NORTHEASTWARD OVER NOVA SCOTIA... ...VERY STRONG WINDS AFFECTING MOST OF NOVA SCOTIA... SUMMARY OF 800 PM AST...0000 UTC...INFORMATION ---------------------------------------------- LOCATION...45.0N 62.9W ABOUT 45 MI...75 KM NE OF HALIFAX NOVA SCOTIA MAXIMUM SUSTAINED WINDS...100 MPH...155 KM/H PRESENT MOVEMENT...NE OR 35 DEGREES AT 30 MPH...48 KM/H MINIMUM CENTRAL PRESSURE...960 MB...28.35 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: The Tropical Storm Warning from East of Bar Harbor to Eastport Maine has been discontinued. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Hurricane Warning is in effect for... * Eastern Nova Scotia from Lower East Pubnico to Brule * Western Newfoundland from Indian Harbour to Hawke's Bay A Hurricane Watch is in effect for... * Prince Edward Island * Magdalen Islands A Tropical Storm Warning is in effect for... * Prince Edward Island * Southwestern Nova Scotia from Avonport to north of Lower East Pubnico * Fundy National Park to Shediac * Stone's Cove to Indian Harbour * Hawke's Bay to Fogo Island * Mutton Bay to Mary's Harbour * Magdalen Islands 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 Tropical Storm Warning means that tropical storm conditions are expected within the warning area in this case within the next 12 hours. A Hurricane Watch means that hurricane conditions are possible within the watch area. 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 800 PM AST (0000 UTC), the center of Post-Tropical Cyclone Dorian was estimated near latitude 45.0 North, longitude 62.9 West. The post-tropical cyclone is racing northeastward near 30 mph (48 km/h), and this general motion is expected to continue for the next 24 hours. After that, a turn toward the east-northeast is expected. On the forecast track, the center of Dorian should continue to move over Nova Scotia during the next few hours, then move over the Gulf of St. Lawrence near Prince Edward Island tonight. The cyclone should then pass near or over northern Newfoundland and eastern Labrador late tonight or Sunday morning. Maximum sustained winds remain near 100 mph (155 km/h) with higher gusts, and these winds are occuring primarily over water. The post-tropical cyclone is expected to weaken during the next couple of days, and it is forecast to drop below hurricane strength by Sunday morning. Hurricane-force winds extend outward up to 115 miles (185 km) to the south of the center and tropical-storm-force winds extend outward up to 310 miles (500 km). Hart Island, Nova Scotia, recently reported a wind gust of 76 mph (122 km/h). The estimated minimum central pressure is 960 mb (28.35 inches). HAZARDS AFFECTING LAND ---------------------- WIND: Tropical storm and hurricane conditions are expected to continue over portions of Nova Scotia during the next few hours. Hurricane conditions are also expected elsewhere in the Hurricane Warning area later tonight. Hurricane conditions are also possible in the Hurricane Watch area tonight. Tropical storm conditions are expected in the Tropical Storm Warning area late tonight and Sunday. STORM SURGE: A dangerous storm surge is likely in the Gulf of St. Lawrence, the Southwest Coast of Newfoundland, and Eastern Nova Scotia. RAINFALL: Dorian is expected to produce the following rainfall totals through Saturday Night: Nova Scotia...3 to 5 inches, isolated 7 inches. New Brunswick and Prince Edward Island...2 to 4 inches Newfoundland and far eastern Quebec...1 to 2 inches These rainfall amounts could result in flash flooding. SURF: Large swells are increasing along the coast in Atlantic Canada, and they will continue to affect that area during the next few days. Swells along the mid-Atlantic and New England coasts of the U.S. will continue for a couple of more 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 PM AST. $$ Forecaster Avila
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