Pennsylvania, 2007

Lake-Effect Snow in Pennsylvania, November 6, 2007

November 6, 2007 · NWS CLE · 1 event in 1 county or zone

An area of low pressure moved across the central Great Lakes on November 6th. Cold northwest winds blowing across Lake Erie behind this low caused lake effect snow showers to develop in Northwest Pennsylvania.

Where it happened

Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
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The toll

Deaths
0
Injuries
0
Property damage
$50,000
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 CLE wrote it up.

An area of low pressure moved across the central Great Lakes on November 6th. Cold northwest winds blowing across Lake Erie behind this low caused lake effect snow showers to develop in Northwest Pennsylvania.

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, Southern Erie

When
November 6, 2:00 AM EST to 9:00 PM EST
Where
Southern Erie forecast zone
Property damage
$50,000
Reported by
Trained Spotter
Coordinates
42.118, -80.098 (the zone’s center; the record gives no point)

Lake effect snow showers began during the early morning hours of November 6th. By daybreak, up to 6 inches of snow was reported at Waterford. The snow continued through the day and tapered off during the evening hours. Snowfall totals across inland portions of Erie County ranged from 6 to 10 inches. A maximum of 16.9 inches was reported at Waterford.

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 Pennsylvania in 2007Every state in 2007This day in weather historyWarnings in Pennsylvania, November 2007

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: 66101.