Alert archive / Pennsylvania / Winter Storm Warnings

Winter Storm Warnings in Pennsylvania, 2011

40 winter storm warnings 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 warnings reaches back to 2005.

Winter Storm Warnings by county

Each county as a circle sized by its count in 2011. Tap one for its archive.

Winter Storm Warnings
40
Busiest month
January12 winter storm warnings
Busiest day
January 31, 20115 winter storm 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.

IssuedProductOfficeCountiesLasted
Jan 7, 8:18 PM ESTWinter Storm WarningCTPSomerset14 hr
Jan 10, 3:42 PM ESTWinter Storm WarningPHIDelaware, Philadelphia37 hr
Jan 12, 9:17 AM ESTWinter Storm WarningCTPSomerset25 hr
Jan 17, 2:37 PM ESTWinter Storm WarningPHIBerks, Carbon, Lehigh, Monroe, Northampton25 hr
Jan 25, 8:58 PM ESTWinter Storm WarningPBZFayette, Westmoreland24 hr
Jan 26, 2:59 AM ESTWinter Storm WarningCTPAdams, Cumberland, Dauphin, Franklin, Lancaster, Lebanon and 2 more21 hr
Jan 26, 4:07 AM ESTWinter Storm WarningPHIBerks, Delaware, Lehigh, Northampton, Philadelphia24 hr
Jan 31, 10:55 AM ESTWinter Storm WarningPBZAllegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 7 more41 hr
Jan 31, 2:54 PM ESTWinter Storm WarningCLECrawford, Erie42 hr
Jan 31, 3:07 PM ESTWinter Storm WarningBGMBradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more42 hr
Jan 31, 3:07 PM ESTWinter Storm WarningCTPAdams, Bedford, Blair, Cambria, Cameron, Centre and 27 more40 hr
Jan 31, 3:18 PM ESTWinter Storm WarningPHIBerks, Carbon, Lehigh, Monroe, Northampton24 hr
Feb 20, 2:03 PM ESTWinter Storm WarningCTPCameron, Elk, Lycoming, McKean, Potter, Sullivan and 2 more20 hr
Feb 20, 2:37 PM ESTWinter Storm WarningCLECrawford, Erie20 hr
Feb 20, 2:54 PM ESTWinter Storm WarningBGMBradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more19 hr
Feb 20, 4:12 PM ESTWinter Storm WarningPHICarbon, Monroe18 hr
Feb 20, 8:42 PM ESTWinter Storm WarningPBZClarion, Forest, Jefferson, Mercer, Venango14 hr
Feb 21, 12:08 PM ESTWinter Storm WarningPBZAllegheny, Armstrong, Beaver, Butler, Fayette, Lawrence and 2 more18 hr
Feb 21, 1:22 PM ESTWinter Storm WarningCTPAdams, Bedford, Blair, Cambria, Cumberland, Franklin and 4 more17 hr
Feb 21, 3:13 PM ESTWinter Storm WarningPHIDelaware, Philadelphia15 hr
Feb 24, 3:54 AM ESTWinter Storm WarningCLECrawford, Erie36 hr
Feb 24, 3:31 PM ESTWinter Storm WarningBGMBradford25 hr
Feb 24, 9:58 PM ESTWinter Storm WarningCTPMcKean, Potter, Tioga, Warren18 hr
Feb 24, 10:19 PM ESTWinter Storm WarningPBZForest, Mercer, Venango17 hr
Mar 6, 4:11 AM ESTWinter Storm WarningBGMBradford31 hr
Mar 6, 4:51 AM ESTWinter Storm WarningCTPClinton, Lycoming, Potter, Sullivan, Tioga26 hr
Mar 10, 2:51 PM ESTWinter Storm WarningCLECrawford, Erie31 hr
Mar 10, 3:51 PM ESTWinter Storm WarningPBZAllegheny, Beaver, Butler, Lawrence, Mercer, Venango and 1 more26 hr
Mar 22, 3:35 PM EDTWinter Storm WarningPHICarbon, Monroe, Northampton36 hr
Mar 22, 3:49 PM EDTWinter Storm WarningCTPColumbia, Lycoming, Potter, Sullivan, Tioga22 hr
Mar 22, 3:57 PM EDTWinter Storm WarningBGMBradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more30 hr
Mar 31, 3:54 AM EDTWinter Storm WarningPHICarbon, Lehigh, Monroe, Northampton24 hr
Mar 31, 4:36 AM EDTWinter Storm WarningBGMPike, Wayne23 hr
Oct 28, 12:38 PM EDTWinter Storm WarningPBZFayette, Westmoreland25 hr
Oct 28, 1:08 PM EDTWinter Storm WarningCTPAdams, Bedford, Blair, Cambria, Centre, Clearfield and 22 more33 hr
Oct 28, 2:59 PM EDTWinter Storm WarningBGMBradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more32 hr
Oct 28, 3:52 PM EDTWinter Storm WarningPHIBerks, Carbon, Lehigh, Monroe, Northampton31 hr
Dec 6, 4:02 PM ESTWinter Storm WarningPBZFayette, Westmoreland29 hr
Dec 7, 4:12 AM ESTWinter Storm WarningPHICarbon, Monroe23 hr
Dec 7, 4:51 AM ESTWinter Storm WarningCTPSchuylkill, Somerset20 hr

By county

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

22 more counties

The busiest days

Days with the most alerts issued, by UTC date.

  1. January 31, 20115winter storm warnings
  2. February 20, 20114winter storm warnings
  3. February 21, 20114winter storm warnings
  4. October 28, 20114winter storm warnings
  5. January 26, 20113winter storm warnings
  6. March 22, 20113winter storm warnings
  7. February 24, 20112winter storm warnings
  8. February 25, 20112winter storm warnings
  9. March 6, 20112winter storm warnings
  10. March 10, 20112winter storm warnings
  11. March 31, 20112winter storm warnings
  12. December 7, 20112winter storm warnings

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. Rebuilt daily.