A low pressure system sitting over eastern Canada brought persistent northwest flow to central New York. Cold air crossing Lake Ontario brought heavy lake effect snow to the snow-belt areas.
Every event with a place to put it; 3 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 low pressure system sitting over eastern Canada brought persistent northwest flow to central New York. Cold air crossing Lake Ontario brought heavy lake effect snow to the snow-belt areas. Snowfall totals ranged from 8 to 12 inches across Madison, Chenango and Delaware County.
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 Jan 5, 6:41 AM EST, 3 hours 19 minutes earlier.
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</html>The national radar mosaic for the moment the first event began.
3 lake-effect snow. Local standard time, as filed.
Storm total snowfall amounts ranged from 8 to 12 inches across the area.
Storm total snowfall amounts ranged from 8 to 12 inches across the area.
Storm total snowfall amounts ranged from 8 to 12 inches across the area.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in New York in 2011Every state in 2011This day in weather historyWarnings in New York, January 2011
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 2026-09-24. Each event’s entry at NCEI: 278443, 278444, 278445.