000 WTNT34 KWNH 100237 TCPAT4 BULLETIN Post-Tropical Cyclone Debby Advisory Number 31 NWS Weather Prediction Center College Park MD AL042024 1100 PM EDT Fri Aug 09 2024 ...AREAS OF HEAVY RAINFALL CONTINUE ACROSS PORTIONS OF NEW ENGLAND AND SOUTHERN QUEBEC... ...IMPROVING CONDITIONS EXPECTED SATURDAY MORNING AS DEBBY MOVES RAPIDLY TO THE NORTHEAST... SUMMARY OF 1100 PM EDT...0300 UTC...INFORMATION ----------------------------------------------- LOCATION...46.3N 71.1W ABOUT 140 MI...225 KM ENE OF MONTREAL QUEBEC ABOUT 160 MI...260 KM NE OF BURLINGTON VERMONT MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H PRESENT MOVEMENT...NE OR 55 DEGREES AT 39 MPH...63 KM/H MINIMUM CENTRAL PRESSURE...996 MB...29.42 INCHES WATCHES AND WARNINGS -------------------- SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Flood Watch is in effect for portions of... * Northern New Hampshire Coastal Flood Advisories and Warnings are in effect for portions of... * Coastal Mid-Atlantic A Gale Warning is in effect for the coastal waters of... * Northern Mid-Atlantic * Southern New England DISCUSSION AND OUTLOOK ---------------------- At 1100 PM EDT (0300 UTC), the center of Post-Tropical Cyclone Debby was located near latitude 46.3 North, longitude 71.1 West. The post-tropical cyclone is moving toward the northeast near 39 mph (63 km/h) and this motion is expected to continue. Maximum sustained winds are near 35 mph (55 km/h) with higher gusts. Little change in strength is forecast during the next 48 hours. The estimated minimum central pressure is 996 mb (29.42 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Debby can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT4 and WMO header WTNT44 KNHC. RAINFALL: Additional rainfall of 1 to 2 inches is possible across portions of New England through early Saturday. This will result in isolated to scattered instances of flash flooding. Rainfall of 1 to 3 inches is possible across portions of southern Quebec through early Saturday. For a complete depiction of forecast rainfall and flash flooding associated with Debby, please see the National Weather Service Storm Total Rainfall Graphic, available at hurricanes.gov/graphics_at4.shtml?rainqpf and the Flash Flood Risk graphic at hurricanes.gov/graphics_at4.shtml?ero. For a list of rainfall observations (and wind reports) associated this storm, see the companion storm summary at WBCSCCNS4 with the WMO header ACUS44 KWBC or at the following link: www.wpc.ncep.noaa.gov/discussions/nfdscc4.html. TORNADOES: A tornado or two may occur through this evening across portions of New England. SURF: Large swells will continue to affect the coastal areas from Long Island to New England. These conditions are likely to cause life-threatening surf and rip current conditions. Please consult products from your local weather office. NEXT ADVISORY ------------- This is the last public advisory issued by the Weather Prediction Center on this system. $$ Forecaster Pereira/Chenard
Post-Tropical Cyclone Debby Public Advisory
09
Aug