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| #1153110 (Received by flhurricane at: 2:12 PM 16.Sep.2023) TCPAT3 BULLETIN Post-Tropical Cyclone Lee Intermediate Advisory Number 45A NWS National Hurricane Center Miami FL AL132023 200 PM AST Sat Sep 16 2023 ...LEE VERY NEAR WESTERN NOVA SCOTIA... ...STRONG WINDS, COASTAL FLOODING, AND HEAVY RAINS ARE OCCURRING IN PORTIONS OF MAINE AND ATLANTIC CANADA... SUMMARY OF 200 PM AST...1800 UTC...INFORMATION ---------------------------------------------- LOCATION...43.8N 66.4W ABOUT 80 MI...130 KM SSE OF EASTPORT MAINE ABOUT 150 MI...240 KM WSW OF HALIFAX NOVA SCOTIA MAXIMUM SUSTAINED WINDS...70 MPH...110 KM/H PRESENT MOVEMENT...N OR 360 DEGREES AT 22 MPH...35 KM/H MINIMUM CENTRAL PRESSURE...968 MB...28.58 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Hurricane Watch is in effect for... * New Brunswick from the U.S./Canada border to Point Lepreau, including Grand Manan Island * Nova Scotia from Digby to Ecum Secum A Tropical Storm Warning is in effect for... * Portsmouth northward to the U.S./Canada border * New Brunswick from the U.S./Canada border to Belledune, including Grand Manan Island * All of Nova Scotia * Prince Edward Island * Magdalen Islands A Hurricane Watch means that hurricane conditions are possible within the watch area, in this case later today. A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning, in this case today through Sunday. 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 Post-Tropical Cyclone Lee was located near latitude 43.8 North, longitude 66.4 West. The post-tropical cyclone is moving toward the north near 22 mph (35 km/h). A northward motion is expected to continue, and the center of Lee is forecast to make landfall in Atlantic Canada later this afternoon. Lee is then expected to turn toward the northeast and move across Atlantic Canada tonight and Sunday. Maximum sustained winds are near 70 mph (110 km/h) with higher gusts. Lee is expected to be near hurricane strength when it makes landfall later this afternoon. Weakening is forecast tonight and Sunday while Lee moves across Atlantic Canada. Hurricane-force winds extend outward up to 140 miles (220 km) from the center and tropical-storm-force winds extend outward up to 390 miles (630 km). An observation in Bangor, Maine, recently reported a wind gust of 52 mph (84 km/h). The estimated minimum central pressure is 968 mb (28.58 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Lee can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT3 and WMO header WTNT43 KNHC and on the web at hurricanes.gov/text/MIATCDAT3.shtml WIND: Hurricane conditions are possible in the Hurricane Watch areas in Atlantic Canada later today. Tropical storm conditions are occurring along the coasts of Maine and Nova Scotia and will spread northward within the Tropical Storm Warning areas today and tonight. The strong winds are leading to downed trees and power outages. Tropical-storm-force gusts are likely to continue on Cape Cod for a couple of more hours. SURF: Swells generated by Lee are affecting the U.S. Virgin Islands, Puerto Rico, Hispaniola, the Turks and Caicos Islands, the Bahamas, Bermuda, the east coast of the United States, and Atlantic Canada. These swells are likely to cause life-threatening surf and rip current conditions. Please consult products from your local weather office. RAINFALL: Through tonight, Lee is expected to produce rainfall amounts of 1 to 4 inches, or 25 to 100 millimeters over far eastern Massachusetts, eastern Maine, western Nova Scotia, and New Brunswick. This could produce localized urban and small stream flooding. STORM SURGE: A dangerous storm surge will produce coastal flooding within the wind warning areas in Atlantic Canada in areas of onshore winds. Near the coast, the surge will be accompanied by large and destructive waves. NEXT ADVISORY ------------- Next complete advisory at 500 PM AST. $$ Forecaster Cangialosi |
