Alert archive / Pennsylvania / Lake Effect Snow Warnings
Lake Effect Snow Warnings in Pennsylvania, 2021
4 lake effect snow warnings in 2021. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of lake effect snow warnings reaches back to 2005.
Lake Effect Snow Warnings by county
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Lake Effect Snow Warnings
- 4
- Busiest month
- January2 lake effect snow warnings
- Busiest day
- January 18, 20211 lake effect snow warnings
Over time
By month
The alerts
Every alert, in the order issued. Times are local, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 18, 8:47 AM EST | Lake Effect Snow Warning | CLE | Erie | 13 hr |
| Jan 19, 2:28 PM EST | Lake Effect Snow Warning | CLE | Erie | 17 hr |
| Nov 25, 1:34 PM EST | Lake Effect Snow Warning | CLE | Erie | 38 hr |
| Nov 28, 4:10 AM EST | Lake Effect Snow Warning | CLE | Erie | 24 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Rebuilt daily.