Alert archive / Pennsylvania / Winter Storm Warnings / 2011
Winter Storm Warnings in Pennsylvania, January 2011
12 winter storm warnings in January 2011. 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 winter storm warnings reaches back to 2005.
Winter Storm Warnings by county
Each county as a circle sized by its count in January 2011. Tap one for its archive.
- Winter Storm Warnings
- 12
- Busiest day
- January 31, 20115 winter storm warnings
Over time
By day
Days in UTC, the clock the archive keeps.
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 7, 8:18 PM EST | Winter Storm Warning | CTP | Somerset | 14 hr |
| Jan 10, 3:42 PM EST | Winter Storm Warning | PHI | Delaware, Philadelphia | 37 hr |
| Jan 12, 9:17 AM EST | Winter Storm Warning | CTP | Somerset | 25 hr |
| Jan 17, 2:37 PM EST | Winter Storm Warning | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 25 hr |
| Jan 25, 8:58 PM EST | Winter Storm Warning | PBZ | Fayette, Westmoreland | 24 hr |
| Jan 26, 2:59 AM EST | Winter Storm Warning | CTP | Adams, Cumberland, Dauphin, Franklin, Lancaster, Lebanon and 2 more | 21 hr |
| Jan 26, 4:07 AM EST | Winter Storm Warning | PHI | Berks, Delaware, Lehigh, Northampton, Philadelphia | 24 hr |
| Jan 31, 10:55 AM EST | Winter Storm Warning | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 7 more | 41 hr |
| Jan 31, 2:54 PM EST | Winter Storm Warning | CLE | Crawford, Erie | 42 hr |
| Jan 31, 3:07 PM EST | Winter Storm Warning | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 42 hr |
| Jan 31, 3:07 PM EST | Winter Storm Warning | CTP | Adams, Bedford, Blair, Cambria, Cameron, Centre and 27 more | 40 hr |
| Jan 31, 3:18 PM EST | Winter Storm Warning | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 24 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Somerset County3
- Berks County3
- Lehigh County3
- Northampton County3
- Delaware County2
- Philadelphia County2
- Carbon County2
- Monroe County2
- Fayette County2
- Westmoreland County2
- Adams County2
- Cumberland County2
- Dauphin County2
- Franklin County2
- Lancaster County2
- Lebanon County2
- Perry County2
- York County2
- Allegheny County1
- Armstrong County1
- Beaver County1
- Butler County1
- Clarion County1
- Forest County1
- Jefferson County1
- Lawrence County1
- Mercer County1
- Venango County1
- Washington County1
- Crawford County1
- Erie County1
- Bradford County1
- Lackawanna County1
- Luzerne County1
- Pike County1
- Susquehanna County1
- Wayne County1
- Wyoming County1
- Bedford County1
- Blair County1
22 more counties
- Cambria County1
- Cameron County1
- Centre County1
- Clearfield County1
- Clinton County1
- Columbia County1
- Elk County1
- Fulton County1
- Huntingdon County1
- Juniata County1
- Lycoming County1
- McKean County1
- Mifflin County1
- Montour County1
- Northumberland County1
- Potter County1
- Schuylkill County1
- Snyder County1
- Sullivan County1
- Tioga County1
- Union County1
- Warren County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20102012
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. Warning verification from the Mesonet's Cow. Rebuilt daily.