Alert archive / Pennsylvania / Winter Storm Warnings

Winter Storm Warnings in Pennsylvania, 2009

26 winter storm warnings in 2009. 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 2009. Tap one for its archive.

Winter Storm Warnings
26
Busiest month
January16 winter storm warnings
Busiest day
January 9, 20095 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 5, 9:46 PM ESTWinter Storm WarningPBZClarion, Forest, Jefferson, Mercer, Venango36 hr
Jan 6, 4:39 AM ESTWinter Storm WarningPHIBerks, Carbon, Lehigh, Monroe, Northampton16 hr
Jan 6, 4:23 PM ESTWinter Storm WarningBGMPike, Wayne28 hr
Jan 9, 11:12 AM ESTWinter Storm WarningCLECrawford, Erie32 hr
Jan 9, 12:32 PM ESTWinter Storm WarningPBZAllegheny, Armstrong, Beaver, Butler, Clarion, Forest and 5 more31 hr
Jan 9, 2:32 PM ESTWinter Storm WarningCTPBlair, Cambria, Cameron, Centre, Clearfield, Clinton and 20 more30 hr
Jan 9, 3:27 PM ESTWinter Storm WarningPHIBerks, Carbon, Lehigh, Monroe, Northampton37 hr
Jan 9, 4:07 PM ESTWinter Storm WarningBGMBradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more36 hr
Jan 14, 9:45 PM ESTWinter Storm WarningCTPCambria, Somerset9 hr
Jan 18, 8:56 AM ESTWinter Storm WarningCLECrawford, Erie6 hr
Jan 18, 9:13 AM ESTWinter Storm WarningPBZArmstrong, Clarion, Forest, Jefferson, Mercer, Venango13 hr
Jan 27, 3:18 AM ESTWinter Storm WarningPHIBerks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more40 hr
Jan 27, 3:29 AM ESTWinter Storm WarningCLECrawford, Erie40 hr
Jan 27, 11:40 AM ESTWinter Storm WarningCTPAdams, Bedford, Blair, Cambria, Cameron, Centre and 27 more31 hr
Jan 27, 11:48 AM ESTWinter Storm WarningPBZAllegheny, Armstrong, Beaver, Butler, Clarion, Forest and 6 more31 hr
Jan 27, 11:56 AM ESTWinter Storm WarningBGMBradford, Susquehanna, Wayne33 hr
Feb 3, 9:40 PM ESTWinter Storm WarningPHIDelaware, Philadelphia6 hr
Mar 1, 3:30 AM ESTWinter Storm WarningPHIBerks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more37 hr
Mar 1, 11:31 AM ESTWinter Storm WarningCTPLancaster, York16 hr
Oct 15, 4:26 AM EDTWinter Storm WarningCTPCameron, Centre, Clearfield, Clinton, Elk, Lycoming and 5 more34 hr
Dec 8, 11:13 AM ESTWinter Storm WarningCTPCambria, McKean, Potter, Somerset21 hr
Dec 8, 2:35 PM ESTWinter Storm WarningPBZ15 hr
Dec 18, 3:06 AM ESTWinter Storm WarningPBZGreene48 hr
Dec 18, 4:40 AM ESTWinter Storm WarningPHIBerks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more46 hr
Dec 18, 2:38 PM ESTWinter Storm WarningCTPAdams, Bedford, Blair, Cambria, Centre, Columbia and 17 more32 hr
Dec 25, 7:14 AM ESTWinter Storm WarningPBZClarion, Forest, Jefferson, Mercer, Venango9 hr

By county

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

21 more counties

The busiest days

Days with the most alerts issued, by UTC date.

  1. January 9, 20095winter storm warnings
  2. January 27, 20095winter storm warnings
  3. January 6, 20093winter storm warnings
  4. December 18, 20093winter storm warnings
  5. January 18, 20092winter storm warnings
  6. March 1, 20092winter storm warnings
  7. December 8, 20092winter storm warnings
  8. January 15, 20091winter storm warnings
  9. February 4, 20091winter storm warnings
  10. October 15, 20091winter storm warnings
  11. December 25, 20091winter storm warnings

Nearby

Alerts in force nowTornadoes on recordThe radar archive20082010

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.