Pennsylvania, 2025Lake-Effect Snow and Winter Weather in Pennsylvania, November 9 to 11, 2025
November 9 to 11, 2025 · NWS CLE · 2 events in 2 counties and zones
Low pressure moved across Pennsylvania on November 9th, before shifting east into New England and lingering through the 10th and 11th. Behind this low, a lingering trough and an early season blast of cold air combined with northwest winds to bring accumulating lake effect snow.
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.
- Tornadoes
- Tropical storms and surge
- Floods
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- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
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- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 2
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.
Low pressure moved across Pennsylvania on November 9th, before shifting east into New England and lingering through the 10th and 11th. Behind this low, a lingering trough and an early season blast of cold air combined with northwest winds to bring accumulating lake effect snow. The highest snow amounts occurred well-inland across parts of Crawford County. A peak accumulation of 12.1 inches was reported by a Cooperative Observer in Titusville. Trained spotters and CoCoRaHS observers reported accumulations ranging from 6 to 11 inches across much of the rest of Crawford County, with totals over 7 inches also reported in far southern Erie County in Elgin and Corry.
What forecasters said that day
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 Cleveland, OH wrote its last area forecast discussion before the first event at Nov 9, 7:01 PM EST, 2 hours 59 minutes earlier.
Area forecast discussion, Nov 9, 7:01 PM EST, 2 hours 59 minutes before
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</html>Lake-Effect Snow, Crawford
- When
- November 9, 10:00 PM EST to November 11, 10:00 AM EST
- Where
- Crawford forecast zone
- Reported by
- COOP Observer
- Coordinates
- 41.685, -80.106 (the zone’s center; the record gives no point)
Low pressure moved across Pennsylvania on November 9th, before shifting east into New England and lingering through the 10th and 11th. Behind this low, a lingering trough and an early season blast of cold air combined with northwest winds to bring accumulating lake effect snow. A peak accumulation of 12.1 inches was reported by a Cooperative Observer in Titusville. Other selected reports from trained spotters includes 11.8 inches in Meadville and 11.6 inches in Venango Township. The heaviest snow occurred the evening of the 10th through the early morning of the 11th, when snow rates within lake effect band exceeded 1 inch per hour at times.
Winter Weather, Southern Erie
- When
- November 9, 10:00 PM EST to November 11, 10:00 AM EST
- Where
- Southern Erie forecast zone
- Reported by
- Social Media
- Coordinates
- 42.118, -80.098 (the zone’s center; the record gives no point)
Low pressure moved across Pennsylvania on November 9th, before shifting east into New England and lingering through the 10th and 11th. Behind this low, a lingering trough and an early season blast of cold air combined with northwest winds to bring accumulating lake effect snow. The snow was spread out over a prolonged period of time (about 36 hours) and did not hit local heavy snow criteria. However, total accumulations as high as 8.5 inches were reported on social media by a ski resort in Edinboro. Other selected spotter reports include 7.8 inches in Elgin Township and 6.3 inches Greenfield Township, with a CoCoRaHS observer in Corry reported a storm total snow accumulation of 7.2 inches.
- Lake-Effect Snow
- Heavy snow in bands downwind of a large lake as cold air crosses warmer water.
- Winter Weather
- Snow, sleet or freezing rain below warning levels that still caused disruption, damage or casualties.
After NWS Directive 10-1605, the rules offices file Storm Data by.
- Hail and Damaging Winds in Georgia, November 9, 2025$19,000 · 2 in hail · 24 events
- Tornado and Damaging Winds in Virginia, November 9, 2025$42,000 · EF0 · 5 events
- Winter Storm and Winter Weather in Indiana, November 9 to 10, 20258 events
- Winter Storm and Winter Weather in Illinois, November 9 to 10, 20257 events
- Heavy Snow and High Wind in Alaska, November 9, 202569 kt wind · 5 events
- Winter Storm and Winter Weather in Indiana, November 9 to 10, 20254 events
- Astronomical Low Tide in Louisiana, November 9, 20253 events
- Winter Storm in Michigan, November 9 to 10, 20253 events
- Marine Thunderstorm Winds in North Atlantic Coastal Waters, November 9, 20253 events
- Hail and Damaging Wind in Florida, November 9, 202550 kt wind · 2 events
- Damaging Winds in Georgia, November 9, 2025$4,000 · 50 kt wind · 2 events
- Winter Weather in Ohio, November 9 to 11, 20252 events
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: 1302638, 1302639.