Alert archive / Pennsylvania / Severe Thunderstorm Watches

Severe Thunderstorm Watches in Pennsylvania, 2023

32 severe thunderstorm watches in 2023. 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 2023. Tap one for its archive.

Severe Thunderstorm Watches
32
Busiest month
July17 severe thunderstorm watches
Busiest day
July 29, 20233 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 25, 1:01 PM EDTSevere Thunderstorm WatchSPCAllegheny, Armstrong, Beaver, Butler, Clarion, Crawford and 14 more4 hr
Apr 1, 11:59 AM EDTSevere Thunderstorm WatchSPCAllegheny, Armstrong, Beaver, Butler, Cambria, Cameron and 19 more5 hr
Apr 1, 2:27 PM EDTSevere Thunderstorm WatchSPCAdams, Bedford, Berks, Blair, Bradford, Carbon and 31 more5 hr
Apr 5, 2:02 PM EDTSevere Thunderstorm WatchSPCAllegheny, Armstrong, Beaver, Butler, Clarion, Crawford and 11 more8 hr
Apr 22, 3:04 PM EDTSevere Thunderstorm WatchSPCBerks, Bucks, Carbon, Chester, Dauphin, Delaware and 9 more5 hr
Jun 16, 11:06 AM EDTSevere Thunderstorm WatchSPCBucks, Chester, Delaware, Montgomery, Philadelphia7 hr
Jun 26, 1:11 PM EDTSevere Thunderstorm WatchSPCAdams, Bedford, Berks, Blair, Bradford, Bucks and 41 more11 hr
Jul 2, 4:31 PM EDTSevere Thunderstorm WatchSPCAdams, Berks, Bucks, Carbon, Chester, Cumberland and 11 more6 hr
Jul 3, 2:21 PM EDTSevere Thunderstorm WatchSPCCarbon, Lackawanna, Luzerne, Monroe, Northampton, Pike and 3 more6 hr
Jul 3, 2:55 PM EDTSevere Thunderstorm WatchSPCAdams, Berks, Bucks, Chester, Columbia, Cumberland and 13 more7 hr
Jul 9, 11:06 AM EDTSevere Thunderstorm WatchSPCAdams, Berks, Bucks, Carbon, Chester, Columbia and 19 more9 hr
Jul 13, 1:56 PM EDTSevere Thunderstorm WatchSPCFayette, Greene7 hr
Jul 20, 2:45 PM EDTSevere Thunderstorm WatchSPCCrawford, Erie8 hr
Jul 20, 6:19 PM EDTSevere Thunderstorm WatchSPCAllegheny, Armstrong, Beaver, Bedford, Blair, Bradford and 41 more9 hr
Jul 20, 10:28 PM EDTSevere Thunderstorm WatchSPCAdams, Berks, Bucks, Carbon, Chester, Dauphin and 10 more7 hr
Jul 24, 1:06 PM EDTSevere Thunderstorm WatchSPCBradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more7 hr
Jul 25, 12:13 PM EDTSevere Thunderstorm WatchSPCBerks, Bucks, Carbon, Chester, Dauphin, Delaware and 9 more10 hr
Jul 26, 2:03 PM EDTSevere Thunderstorm WatchSPCCrawford, Erie5 hr
Jul 27, 12:48 PM EDTSevere Thunderstorm WatchSPCLackawanna, Luzerne, Pike, Susquehanna, Wayne, Wyoming8 hr
Jul 27, 3:18 PM EDTSevere Thunderstorm WatchSPCAdams, Bedford, Berks, Bucks, Carbon, Chester and 16 more5 hr
Jul 28, 2:18 PM EDTSevere Thunderstorm WatchSPCAllegheny, Armstrong, Beaver, Butler, Clarion, Crawford and 11 more6 hr
Jul 29, 2:52 AM EDTSevere Thunderstorm WatchSPCAllegheny, Beaver, Butler, Crawford, Greene, Lawrence and 3 more6 hr
Jul 29, 1:33 PM EDTSevere Thunderstorm WatchSPCBradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more7 hr
Jul 29, 2:48 PM EDTSevere Thunderstorm WatchSPCAdams, Berks, Bucks, Carbon, Chester, Dauphin and 10 more6 hr
Aug 4, 12:10 PM EDTSevere Thunderstorm WatchSPCAdams, Berks, Blair, Bradford, Carbon, Centre and 30 more10 hr
Aug 12, 6:07 PM EDTSevere Thunderstorm WatchSPCBucks, Carbon, Lehigh, Monroe, Northampton6 hr
Aug 12, 8:06 PM EDTSevere Thunderstorm WatchSPCAllegheny, Bedford, Blair, Cambria, Fayette, Franklin and 7 more4 hr
Aug 15, 2:08 PM EDTSevere Thunderstorm WatchSPCBucks, Chester, Delaware, Montgomery, Philadelphia6 hr
Aug 24, 9:48 PM EDTSevere Thunderstorm WatchSPCCrawford, Erie, Lawrence, Mercer, Venango5 hr
Sep 7, 1:14 PM EDTSevere Thunderstorm WatchSPCAdams, Berks, Bradford, Bucks, Carbon, Centre and 33 more8 hr
Sep 8, 3:11 PM EDTSevere Thunderstorm WatchSPCAdams, Bedford, Berks, Bucks, Carbon, Chester and 28 more8 hr
Sep 9, 4:23 PM EDTSevere Thunderstorm WatchSPCAdams, Bedford, Berks, Blair, Bradford, Bucks and 36 more5 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. July 29, 20233severe thunderstorm watches
  2. April 1, 20232severe thunderstorm watches
  3. July 3, 20232severe thunderstorm watches
  4. July 20, 20232severe thunderstorm watches
  5. July 27, 20232severe thunderstorm watches
  6. March 25, 20231severe thunderstorm watches
  7. April 5, 20231severe thunderstorm watches
  8. April 22, 20231severe thunderstorm watches
  9. June 16, 20231severe thunderstorm watches
  10. June 26, 20231severe thunderstorm watches
  11. July 2, 20231severe thunderstorm watches
  12. July 9, 20231severe thunderstorm watches

Nearby

Alerts in force nowTornadoes on recordThe radar archive20222024

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.