New York, 2020

Lake-Effect Snow in New York, December 29, 2020

December 29, 2020 · NWS BGM · 1 event in 1 county or zone

A lake effect snow band developed during the early morning hours of the 29th and drifted south across extreme northern Onondaga county. 5 inches of snow fell.

Where it happened

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
1

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.

What happened

The episode as NWS BGM wrote it up.

A lake effect snow band developed during the early morning hours of the 29th and drifted south across extreme northern Onondaga county. The heaviest snow totals were found in the Brewerton, NY area, where 13.5 inches of snow fell.

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

1 lake-effect snow. Local standard time, as filed.

Lake-Effect Snow, Onondaga

When
December 29, 12:00 AM EST to 8:00 AM EST
Where
Onondaga forecast zone
Reported by
Trained Spotter
Coordinates
43.006, -76.195 (the zone’s center; the record gives no point)

Lake effect snow accumulated between 6 and 14 inches in the extreme northern portion of the county.

What these are

Lake-Effect Snow
Heavy snow in bands downwind of a large lake as cold air crosses warmer water.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in New York in 2020Every state in 2020This day in weather historyWarnings in New York, December 2020

Sources

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 2026-09-30. Each event’s entry at NCEI: 934672.