Alert archive / Pennsylvania / Tornado Warnings

Tornado Warnings in Pennsylvania, 2009

32 tornado 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 tornado warnings reaches back to 1986.

Tornado Warnings by county

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

Tornado Warnings
32
Busiest month
August11 tornado warnings
Busiest day
June 9, 20096 tornado 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
Mar 29, 3:54 PM EDTTornado WarningCTPYork36 min
Mar 29, 4:21 PM EDTTornado WarningCTPLancaster39 min
Mar 29, 4:58 PM EDTTornado WarningPHIBerks62 min
May 16, 1:42 PM EDTTornado WarningCTPTioga33 min
Jun 9, 2:50 PM EDTTornado WarningCTPLancaster25 min
Jun 9, 2:59 PM EDTTornado WarningPHIChester32 min
Jun 9, 3:08 PM EDTTornado WarningPHIChester28 min
Jun 9, 3:14 PM EDTTornado WarningPHIChester46 min
Jun 9, 3:17 PM EDTTornado WarningBGMWayne28 min
Jun 9, 3:44 PM EDTTornado WarningBGMPike31 min
Jun 17, 6:58 PM EDTTornado WarningPBZAllegheny, Westmoreland32 min
Jun 17, 10:09 PM EDTTornado WarningPBZGreene66 min
Jun 17, 10:10 PM EDTTornado WarningPBZFayette35 min
Jun 17, 11:08 PM EDTTornado WarningPBZGreene67 min
Jul 11, 5:28 PM EDTTornado WarningCTPLycoming, Northumberland, Union32 min
Jul 11, 5:44 PM EDTTornado WarningCLECrawford19 min
Jul 11, 5:47 PM EDTTornado WarningPBZForest, Venango58 min
Jul 11, 5:51 PM EDTTornado WarningCTPColumbia, Montour, Northumberland54 min
Jul 11, 7:17 PM EDTTornado WarningCTPElk28 min
Jul 29, 2:11 PM EDTTornado WarningPHICarbon, Monroe34 min
Aug 2, 11:51 AM EDTTornado WarningPHIBucks24 min
Aug 9, 4:10 PM EDTTornado WarningCTPElk50 min
Aug 9, 4:56 PM EDTTornado WarningCTPClearfield, Elk34 min
Aug 9, 5:28 PM EDTTornado WarningCTPClearfield32 min
Aug 10, 4:43 PM EDTTornado WarningCLECrawford47 min
Aug 20, 3:04 PM EDTTornado WarningCTPDauphin, Northumberland, Perry26 min
Aug 20, 4:29 PM EDTTornado WarningCTPLancaster31 min
Aug 20, 4:57 PM EDTTornado WarningCTPLancaster63 min
Aug 21, 10:32 AM EDTTornado WarningBGMLackawanna, Pike, Wayne28 min
Aug 21, 12:28 PM EDTTornado WarningBGMPike, Wayne62 min
Aug 21, 12:49 PM EDTTornado WarningBGMPike, Wayne41 min
Dec 9, 12:30 PM ESTTornado WarningPBZVenango30 min

By county

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

The busiest days

Days with the most alerts issued, by UTC date.

  1. June 9, 20096tornado warnings
  2. July 11, 20095tornado warnings
  3. March 29, 20093tornado warnings
  4. June 18, 20093tornado warnings
  5. August 9, 20093tornado warnings
  6. August 20, 20093tornado warnings
  7. August 21, 20093tornado warnings
  8. May 16, 20091tornado warnings
  9. June 17, 20091tornado warnings
  10. July 29, 20091tornado warnings
  11. August 2, 20091tornado warnings
  12. August 10, 20091tornado 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. Rebuilt daily.