000 WTNT33 KNHC 171140 TCPAT3 BULLETIN Post-Tropical Cyclone Lee Intermediate Advisory Number 48A NWS National Hurricane Center Miami FL AL132023 800 AM AST Sun Sep 17 2023 ...GUSTY WINDS CONTINUE THIS MORNING IN PORTIONS OF ATLANTIC CANADA... SUMMARY OF 800 AM AST...1200 UTC...INFORMATION ---------------------------------------------- LOCATION...47.3N 63.0W ABOUT 70 MI...115 KM WNW OF CHARLOTTETOWN PRINCE EDWARD ISLAND ABOUT 180 MI...290 KM W OF PORT AUX BASQUES NEWFOUNDLAND MAXIMUM SUSTAINED WINDS...45 MPH...70 KM/H PRESENT MOVEMENT...NE OR 45 DEGREES AT 22 MPH...35 KM/H MINIMUM CENTRAL PRESSURE...989 MB...29.20 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Warning is in effect for... * Nova Scotia from Lismore eastward to Point Aconi and southwestward to east of Porters Lake * Prince Edward Island from Savage Harbor eastward to east of Wood Islands * Magdalen Islands A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning, in this case today. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 800 AM AST (1200 UTC), the center of Post-Tropical Cyclone Lee was located near latitude 47.3 North, longitude 63.0 West. The post-tropical cyclone is moving toward the northeast near 22 mph (35 km/h), and a faster northeastward motion is expected over the next couple of days, taking Lee over Newfoundland this afternoon and over the Atlantic waters by early Monday. Maximum sustained winds have decreased to near 45 mph (70 km/h) with higher gusts. Continued gradual weakening is forecast during the next couple of days, and Lee could dissipate on Tuesday. A number of tropical-storm-force wind gusts have been reported across Nova Scotia during the past few hours. Beaver Island Nova Scotia recently reported a sustained wind of 44 mph (70 km/h) with a gust to 54 mph (87 km/h). Tropical-storm-force winds extend outward up to 290 miles (465 km) from the center. The estimated minimum central pressure based on surface observations in Canada is 989 mb (29.15 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: Tropical storm conditions continue in portions of the warning areas today. The strong winds could lead to some downed trees and power outages. SURF: Swells generated by Lee continue to affect 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: Lee is expected to produce an additional 1 inch (25 mm) or less across eastern portions of New Brunswick. STORM SURGE: Areas of coastal flooding should gradually subside today. NEXT ADVISORY ------------- Next complete advisory at 1100 AM AST. $$ Forecaster Pasch/D. Zelinsky