A cold front crossed the area during the afternoon of Thursday, the 13th, and a strong flow from the west-northwest occurred in its wake. Lake effect snow developed downwind of Lake Ontario Thursday night and continued into Friday before starting to lift off to the north Friday afternoon and evening.
Every event with a place to put it; 4 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS BGM wrote it up.
A cold front crossed the area during the afternoon of Thursday, the 13th, and a strong flow from the west-northwest occurred in its wake. Lake effect snow developed downwind of Lake Ontario Thursday night and continued into Friday before starting to lift off to the north Friday afternoon and evening. With a multi-lake connection developing and mostly uniform winds at the lower levels late Thursday evening into early Friday, heavy snow fell at times over Oneida, Madison and Onondaga counties. Winds gusted between 30 and 45 mph at times leading to areas of blowing and drifting snow.
The national radar mosaic for the moment the first event began.
4 lake-effect snow. Local standard time, as filed.
Lake effect snow accumulated between 7 and 22 inches.
Lake effect snow accumulated between 4 and 23 inches.
Lake effect snow accumulated between 5 and 13 inches.
Lake effect snow accumulated between 7 and 33 inches.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in New York in 2025Every state in 2025This day in weather historyWarnings in New York, February 2025
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 1234952, 1234953, 1234955, 1234958.