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.

IssuedProductOfficeCountiesLasted
Jan 9, 2:36 PM ESTWinter Storm WatchPBZAllegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 8 more25 hr
Jan 10, 4:01 AM ESTWinter Storm WatchPHIBerks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more24 hr
Jan 10, 12:49 PM ESTWinter Storm WatchBGMPike15 hr
Jan 25, 4:06 AM ESTWinter Storm WatchPHIBerks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more24 hr
Jan 25, 2:24 PM ESTWinter Storm WatchCTPAdams, Lancaster, York13 hr
Jan 30, 3:14 PM ESTWinter Storm WatchCLECrawford, Erie25 hr
Jan 30, 3:30 PM ESTWinter Storm WatchPBZAllegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 7 more19 hr
Jan 30, 7:18 PM ESTWinter Storm WatchCTPAdams, Bedford, Blair, Cambria, Cameron, Centre and 27 more20 hr
Jan 30, 8:35 PM ESTWinter Storm WatchPHIBerks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more42 hr
Jan 31, 4:41 AM ESTWinter Storm WatchBGMBradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more10 hr
Feb 3, 3:05 PM ESTWinter Storm WatchPHICarbon, Monroe13 hr
Feb 21, 3:54 AM ESTWinter Storm WatchPBZFayette, Westmoreland8 hr
Feb 21, 5:06 AM ESTWinter Storm WatchCTPAdams, Bedford, Blair, Cambria, Cumberland, Franklin and 4 more8 hr
Feb 23, 3:21 PM ESTWinter Storm WatchCTPCameron, Clinton, Elk, Lycoming, McKean, Potter and 3 more31 hr
Feb 23, 3:38 PM ESTWinter Storm WatchCLECrawford, Erie23 hr
Mar 5, 3:56 AM ESTWinter Storm WatchBGMBradford, Susquehanna24 hr
Mar 5, 11:19 AM ESTWinter Storm WatchCTPCameron, Elk, McKean, Potter, Tioga, Warren18 hr
Mar 5, 3:24 PM ESTWinter Storm WatchPBZClarion, Forest, Jefferson, Mercer, Venango4 hr
Mar 9, 2:41 PM ESTWinter Storm WatchPBZAllegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 8 more25 hr
Mar 9, 3:19 PM ESTWinter Storm WatchCLECrawford, Erie24 hr
Mar 22, 3:43 AM EDTWinter Storm WatchBGMBradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more12 hr
Mar 22, 3:48 AM EDTWinter Storm WatchPHIBerks, Carbon, Lehigh, Monroe, Northampton12 hr
Mar 22, 3:51 AM EDTWinter Storm WatchCTPCameron, Clinton, Columbia, Lycoming, McKean, Potter and 3 more12 hr
Mar 30, 3:25 PM EDTWinter Storm WatchBGMBradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more24 hr
Mar 30, 3:38 PM EDTWinter Storm WatchCTPColumbia, Schuylkill, Sullivan23 hr
Mar 30, 3:55 PM EDTWinter Storm WatchPHICarbon, Lehigh, Monroe, Northampton12 hr
Oct 27, 3:15 PM EDTWinter Storm WatchPHIBerks, Carbon, Lehigh, Monroe, Northampton25 hr
Oct 28, 2:12 AM EDTWinter Storm WatchCTPAdams, Bedford, Blair, Cambria, Centre, Clinton and 21 more11 hr
Oct 28, 3:38 AM EDTWinter Storm WatchBGMBradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more11 hr
Oct 28, 3:57 AM EDTWinter Storm WatchPBZFayette, Westmoreland9 hr
Dec 6, 2:11 PM ESTWinter Storm WatchCTPSchuylkill, Somerset15 hr
Dec 6, 3:10 PM ESTWinter Storm WatchPHICarbon, Monroe13 hr

By county

Every county with at least one alert. A county page lists each alert that covered it.

23 more counties

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.