Snow Advisories in Pennsylvania
72 snow advisories since 1986. 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 snow advisories reaches back to 2005.
Snow Advisories by county
Each county as a circle sized by its count since 1986. Tap one for its archive.
- Snow Advisories
- 72
- Busiest year
- 200732 snow advisories
- Average year
- 18over 4 years on file
Over time
By year
Before late 2005 the archive holds only tornado, severe thunderstorm, flash flood and marine warnings, and from 1997 SPC's watches, so the jump that year is the archive widening, not the weather.
By month of the year
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Somerset County17
- Cambria County16
- Clarion County12
- Jefferson County11
- Wayne County8
- Armstrong County7
- Butler County7
- Carbon County7
- Lawrence County7
- Monroe County7
- Susquehanna County7
- Allegheny County6
- Beaver County6
- Berks County6
- Bradford County6
- Clearfield County6
- Elk County6
- Forest County6
- Greene County6
- McKean County6
- Mercer County6
- Venango County6
- Washington County6
- Cameron County5
- Clinton County5
- Lehigh County5
- Northampton County5
- Warren County5
- Columbia County5
- Bedford County4
- Blair County4
- Centre County4
- Lackawanna County4
- Luzerne County4
- Pike County4
- Wyoming County4
- Schuylkill County4
- Lycoming County4
- Sullivan County4
- Crawford County3
21 more counties
- Delaware County3
- Erie County3
- Philadelphia County3
- Potter County3
- Tioga County3
- Adams County2
- Dauphin County2
- Lebanon County2
- York County2
- Franklin County2
- Fulton County2
- Montour County2
- Northumberland County2
- Lancaster County1
- Cumberland County1
- Huntingdon County1
- Juniata County1
- Mifflin County1
- Perry County1
- Snyder County1
- Union County1
Nearby
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.