Alert archive / Pennsylvania / Severe Thunderstorm Watches

Severe Thunderstorm Watches in Pennsylvania, 2024

30 severe thunderstorm watches in 2024. 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 severe thunderstorm watches reaches back to 1997.

Severe Thunderstorm Watches by county

Each county as a circle sized by its count in 2024. Tap one for its archive.

Severe Thunderstorm Watches
30
Busiest month
June9 severe thunderstorm watches
Busiest day
June 26, 20243 severe thunderstorm 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
Mar 30, 4:46 PM EDTSevere Thunderstorm WatchSPCGreene5 hr
Apr 14, 4:58 PM EDTSevere Thunderstorm WatchSPCAllegheny, Armstrong, Beaver, Bedford, Blair, Butler and 34 more6 hr
May 22, 3:00 PM EDTSevere Thunderstorm WatchSPCAdams, Bedford, Blair, Bradford, Cameron, Centre and 28 more5 hr
May 26, 3:52 PM EDTSevere Thunderstorm WatchSPCAllegheny, Armstrong, Beaver, Butler, Clarion, Crawford and 11 more6 hr
May 26, 8:44 PM EDTSevere Thunderstorm WatchSPCBedford, Blair, Cambria, Franklin, Fulton, Huntingdon and 1 more3 hr
May 27, 1:42 PM EDTSevere Thunderstorm WatchSPCAdams, Berks, Bradford, Bucks, Carbon, Chester and 26 more7 hr
Jun 6, 2:26 PM EDTSevere Thunderstorm WatchSPCChester, Delaware, Montgomery, Philadelphia7 hr
Jun 14, 2:24 PM EDTSevere Thunderstorm WatchSPCAllegheny, Fayette, Greene, Washington, Westmoreland6 hr
Jun 14, 4:57 PM EDTSevere Thunderstorm WatchSPCBucks, Chester, Delaware, Montgomery, Philadelphia3 hr
Jun 23, 4:33 PM EDTSevere Thunderstorm WatchSPCAdams, Allegheny, Armstrong, Beaver, Bedford, Berks and 59 more5 hr
Jun 26, 1:11 PM EDTSevere Thunderstorm WatchSPCArmstrong, Bradford, Butler, Cameron, Centre, Clarion and 28 more8 hr
Jun 26, 4:31 PM EDTSevere Thunderstorm WatchSPCAllegheny, Beaver, Fayette, Greene, Indiana, Washington and 1 more5 hr
Jun 26, 6:19 PM EDTSevere Thunderstorm WatchSPCBerks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more6 hr
Jun 29, 5:13 PM EDTSevere Thunderstorm WatchSPCBerks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more4 hr
Jun 30, 11:09 AM EDTSevere Thunderstorm WatchSPCAdams, Berks, Bradford, Bucks, Carbon, Centre and 33 more10 hr
Jul 10, 1:37 PM EDTSevere Thunderstorm WatchSPCAdams, Bedford, Cumberland, Franklin, Fulton, Lancaster and 2 more8 hr
Jul 15, 12:21 PM EDTSevere Thunderstorm WatchSPCBradford, Cameron, Clinton, Elk, Lackawanna, Luzerne and 10 more9 hr
Jul 16, 11:05 AM EDTSevere Thunderstorm WatchSPCBradford, McKean, Potter, Susquehanna, Tioga6 hr
Jul 16, 3:36 PM EDTSevere Thunderstorm WatchSPCAdams, Berks, Bucks, Carbon, Chester, Dauphin and 15 more9 hr
Jul 17, 12:58 PM EDTSevere Thunderstorm WatchSPCAdams, Berks, Bucks, Carbon, Chester, Columbia and 19 more10 hr
Aug 2, 4:07 PM EDTSevere Thunderstorm WatchSPCBucks, Chester, Delaware, Montgomery, Philadelphia4 hr
Aug 3, 1:20 PM EDTSevere Thunderstorm WatchSPCAdams, Berks, Bucks, Carbon, Chester, Dauphin and 10 more8 hr
Aug 5, 1:21 PM EDTSevere Thunderstorm WatchSPCArmstrong, Bradford, Butler, Cameron, Clarion, Clearfield and 17 more6 hr
Aug 6, 11:42 AM EDTSevere Thunderstorm WatchSPCAdams, Allegheny, Armstrong, Beaver, Bedford, Blair and 39 more7 hr
Aug 6, 1:54 PM EDTSevere Thunderstorm WatchSPCBerks, Bucks, Carbon, Chester, Delaware, Lackawanna and 9 more7 hr
Aug 18, 2:02 PM EDTSevere Thunderstorm WatchSPCAdams, Berks, Bucks, Carbon, Chester, Columbia and 22 more8 hr
Aug 27, 6:42 PM EDTSevere Thunderstorm WatchSPCCrawford, Erie3 hr
Aug 29, 3:54 PM EDTSevere Thunderstorm WatchSPCAdams, Bedford, Blair, Cambria, Cumberland, Franklin and 7 more7 hr
Aug 31, 1:27 PM EDTSevere Thunderstorm WatchSPCAllegheny, Armstrong, Bedford, Blair, Cambria, Fayette and 5 more6 hr
Oct 6, 4:55 PM EDTSevere Thunderstorm WatchSPCAllegheny, Armstrong, Beaver, Butler, Cameron, Clarion and 16 more6 hr

By county

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

27 more counties

The busiest days

Days with the most alerts issued, by UTC date.

  1. June 26, 20243severe thunderstorm watches
  2. May 27, 20242severe thunderstorm watches
  3. June 14, 20242severe thunderstorm watches
  4. July 16, 20242severe thunderstorm watches
  5. August 6, 20242severe thunderstorm watches
  6. March 30, 20241severe thunderstorm watches
  7. April 14, 20241severe thunderstorm watches
  8. May 22, 20241severe thunderstorm watches
  9. May 26, 20241severe thunderstorm watches
  10. June 6, 20241severe thunderstorm watches
  11. June 23, 20241severe thunderstorm watches
  12. June 29, 20241severe thunderstorm watches

Nearby

Alerts in force nowTornadoes on recordThe radar archive20232025

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.