A departing upper level disturbance led to the development of flow from the west-northwest off of Lake Ontario and resulting lake effect snowfall for mainly Oneida County. Lake effect snow started during the evening of Sunday, the 9th, and continued into Monday before lifting north and tapering off Monday evening.
Every event with a place to put it; 2 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 departing upper level disturbance led to the development of flow from the west-northwest off of Lake Ontario and resulting lake effect snowfall for mainly Oneida County. Lake effect snow started during the evening of Sunday, the 9th, and continued into Monday before lifting north and tapering off Monday evening. Snowfall rates reached 1 to 2 inches per hour Sunday evening when a multi-lake connection developed.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Binghamton, NY wrote its last area forecast discussion before the first event at Feb 9, 3:09 PM EST, 51 minutes earlier.
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</html>The national radar mosaic for the moment the first event began.
2 lake-effect snow. Local standard time, as filed.
Lake effect snow accumulated between 7 and 15 inches.
Lake effect snow accumulated between 3 and 9 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: 1234729, 1234731.