Alert archive / Pennsylvania / Winter Storm Watches
Winter Storm Watches in Pennsylvania, 2011
32 winter storm watches in 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 watches reaches back to 2005.
Winter Storm Watches by county
Each county as a circle sized by its count in 2011. Tap one for its archive.
- Winter Storm Watches
- 32
- Busiest month
- March11 winter storm watches
- Busiest day
- January 31, 20113 winter storm watches
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 9, 2:36 PM EST | Winter Storm Watch | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 8 more | 25 hr |
| Jan 10, 4:01 AM EST | Winter Storm Watch | PHI | Berks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more | 24 hr |
| Jan 10, 12:49 PM EST | Winter Storm Watch | BGM | Pike | 15 hr |
| Jan 25, 4:06 AM EST | Winter Storm Watch | PHI | Berks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more | 24 hr |
| Jan 25, 2:24 PM EST | Winter Storm Watch | CTP | Adams, Lancaster, York | 13 hr |
| Jan 30, 3:14 PM EST | Winter Storm Watch | CLE | Crawford, Erie | 25 hr |
| Jan 30, 3:30 PM EST | Winter Storm Watch | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 7 more | 19 hr |
| Jan 30, 7:18 PM EST | Winter Storm Watch | CTP | Adams, Bedford, Blair, Cambria, Cameron, Centre and 27 more | 20 hr |
| Jan 30, 8:35 PM EST | Winter Storm Watch | PHI | Berks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more | 42 hr |
| Jan 31, 4:41 AM EST | Winter Storm Watch | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 10 hr |
| Feb 3, 3:05 PM EST | Winter Storm Watch | PHI | Carbon, Monroe | 13 hr |
| Feb 21, 3:54 AM EST | Winter Storm Watch | PBZ | Fayette, Westmoreland | 8 hr |
| Feb 21, 5:06 AM EST | Winter Storm Watch | CTP | Adams, Bedford, Blair, Cambria, Cumberland, Franklin and 4 more | 8 hr |
| Feb 23, 3:21 PM EST | Winter Storm Watch | CTP | Cameron, Clinton, Elk, Lycoming, McKean, Potter and 3 more | 31 hr |
| Feb 23, 3:38 PM EST | Winter Storm Watch | CLE | Crawford, Erie | 23 hr |
| Mar 5, 3:56 AM EST | Winter Storm Watch | BGM | Bradford, Susquehanna | 24 hr |
| Mar 5, 11:19 AM EST | Winter Storm Watch | CTP | Cameron, Elk, McKean, Potter, Tioga, Warren | 18 hr |
| Mar 5, 3:24 PM EST | Winter Storm Watch | PBZ | Clarion, Forest, Jefferson, Mercer, Venango | 4 hr |
| Mar 9, 2:41 PM EST | Winter Storm Watch | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 8 more | 25 hr |
| Mar 9, 3:19 PM EST | Winter Storm Watch | CLE | Crawford, Erie | 24 hr |
| Mar 22, 3:43 AM EDT | Winter Storm Watch | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 12 hr |
| Mar 22, 3:48 AM EDT | Winter Storm Watch | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 12 hr |
| Mar 22, 3:51 AM EDT | Winter Storm Watch | CTP | Cameron, Clinton, Columbia, Lycoming, McKean, Potter and 3 more | 12 hr |
| Mar 30, 3:25 PM EDT | Winter Storm Watch | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 24 hr |
| Mar 30, 3:38 PM EDT | Winter Storm Watch | CTP | Columbia, Schuylkill, Sullivan | 23 hr |
| Mar 30, 3:55 PM EDT | Winter Storm Watch | PHI | Carbon, Lehigh, Monroe, Northampton | 12 hr |
| Oct 27, 3:15 PM EDT | Winter Storm Watch | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 25 hr |
| Oct 28, 2:12 AM EDT | Winter Storm Watch | CTP | Adams, Bedford, Blair, Cambria, Centre, Clinton and 21 more | 11 hr |
| Oct 28, 3:38 AM EDT | Winter Storm Watch | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 11 hr |
| Oct 28, 3:57 AM EDT | Winter Storm Watch | PBZ | Fayette, Westmoreland | 9 hr |
| Dec 6, 2:11 PM EST | Winter Storm Watch | CTP | Schuylkill, Somerset | 15 hr |
| Dec 6, 3:10 PM EST | Winter Storm Watch | PHI | Carbon, Monroe | 13 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Carbon County8
- Monroe County8
- Lehigh County6
- Northampton County6
- Fayette County5
- Westmoreland County5
- Berks County5
- Pike County5
- Schuylkill County5
- Sullivan County5
- Tioga County5
- Bradford County5
- Susquehanna County5
- Clarion County4
- Forest County4
- Jefferson County4
- Mercer County4
- Venango County4
- Adams County4
- York County4
- Cameron County4
- Clinton County4
- Columbia County4
- Lycoming County4
- McKean County4
- Potter County4
- Somerset County4
- Lackawanna County4
- Luzerne County4
- Wayne County4
- Wyoming County4
- Allegheny County3
- Armstrong County3
- Beaver County3
- Butler County3
- Lawrence County3
- Washington County3
- Delaware County3
- Philadelphia County3
- Lancaster County3
23 more counties
- Crawford County3
- Erie County3
- Bedford County3
- Blair County3
- Cambria County3
- Cumberland County3
- Elk County3
- Franklin County3
- Fulton County3
- Huntingdon County3
- Warren County3
- Greene County2
- Centre County2
- Dauphin County2
- Juniata County2
- Lebanon County2
- Mifflin County2
- Montour County2
- Northumberland County2
- Perry County2
- Snyder County2
- Union County2
- Clearfield County1
The busiest days
Days with the most alerts issued, by UTC date.
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.