Alert archive / Pennsylvania / Freeze Warnings

Freeze Warnings in Pennsylvania, 2009

20 freeze 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 freeze warnings reaches back to 2005.

Freeze Warnings by county

Each county as a circle sized by its count in 2009. Tap one for its archive.

Freeze Warnings
20
Busiest month
October11 freeze warnings
Busiest day
May 17, 20094 freeze 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
May 17, 3:04 AM EDTFreeze WarningPBZAllegheny, Armstrong, Beaver, Butler, Clarion, Forest and 6 more29 hr
May 17, 3:09 AM EDTFreeze WarningCLECrawford, Erie29 hr
May 17, 3:20 AM EDTFreeze WarningCTPCambria, Cameron, Centre, Clearfield, Clinton, Elk and 7 more30 hr
May 17, 4:00 AM EDTFreeze WarningBGMBradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more27 hr
May 18, 4:27 AM EDTFreeze WarningPHICarbon, Monroe28 hr
May 18, 2:10 PM EDTFreeze WarningBGMBradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more18 hr
May 18, 3:04 PM EDTFreeze WarningPBZForest, Jefferson17 hr
May 18, 3:28 PM EDTFreeze WarningCTPCameron, Centre, Clearfield, Clinton, Elk, Lycoming and 5 more17 hr
Oct 11, 2:33 AM EDTFreeze WarningPHICarbon, Monroe29 hr
Oct 11, 2:09 PM EDTFreeze WarningBGMBradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more18 hr
Oct 11, 2:18 PM EDTFreeze WarningPBZClarion, Forest, Jefferson, Venango16 hr
Oct 11, 2:51 PM EDTFreeze WarningCTPCameron, Centre, Clearfield, Clinton, Columbia, Elk and 6 more17 hr
Oct 13, 3:24 AM EDTFreeze WarningPBZClarion, Forest, Jefferson, Mercer, Venango30 hr
Oct 13, 3:28 AM EDTFreeze WarningCTPCambria, Somerset30 hr
Oct 17, 4:00 PM EDTFreeze WarningCLECrawford, Erie17 hr
Oct 18, 3:03 AM EDTFreeze WarningPBZAllegheny, Beaver, Greene, Washington30 hr
Oct 18, 2:04 PM EDTFreeze WarningPHIBerks, Lehigh, Northampton19 hr
Oct 18, 2:26 PM EDTFreeze WarningCTPAdams, Dauphin, Lancaster, Lebanon, York19 hr
Oct 18, 3:19 PM EDTFreeze WarningCLECrawford, Erie18 hr
Nov 3, 2:09 AM ESTFreeze WarningPHI30 hr

By county

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

6 more counties

The busiest days

Days with the most alerts issued, by UTC date.

  1. May 17, 20094freeze warnings
  2. May 18, 20094freeze warnings
  3. October 11, 20094freeze warnings
  4. October 18, 20094freeze warnings
  5. October 13, 20092freeze warnings
  6. October 17, 20091freeze warnings
  7. November 3, 20091freeze 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.