Alert archive / Pennsylvania / Severe Thunderstorm Watches

Severe Thunderstorm Watches in Pennsylvania, 2019

32 severe thunderstorm watches in 2019. 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 2019. Tap one for its archive.

Severe Thunderstorm Watches
32
Busiest month
May11 severe thunderstorm watches
Busiest day
May 23, 20193 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
Apr 19, 6:34 PM EDTSevere Thunderstorm WatchSPCAdams, Cumberland, Dauphin, Franklin, Fulton, Huntingdon and 6 more4 hr
May 3, 2:21 PM EDTSevere Thunderstorm WatchSPCAdams, Bedford, Fayette, Franklin, Fulton, Somerset8 hr
May 19, 1:51 PM EDTSevere Thunderstorm WatchSPCBradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more9 hr
May 19, 2:36 PM EDTSevere Thunderstorm WatchSPCAdams, Bedford, Berks, Blair, Bucks, Cambria and 32 more8 hr
May 23, 9:39 AM EDTSevere Thunderstorm WatchSPCCameron, Clarion, Elk, Forest, Jefferson, McKean and 4 more3 hr
May 23, 1:02 PM EDTSevere Thunderstorm WatchSPCAdams, Berks, Chester, Cumberland, Dauphin, Franklin and 6 more5 hr
May 23, 5:37 PM EDTSevere Thunderstorm WatchSPCFayette, Greene, Washington5 hr
May 23, 9:20 PM EDTSevere Thunderstorm WatchSPCAdams, Bedford, Blair, Cambria, Cumberland, Dauphin and 11 more3 hr
May 25, 4:50 PM EDTSevere Thunderstorm WatchSPCAllegheny, Armstrong, Beaver, Butler, Cambria, Cameron and 18 more5 hr
May 28, 1:22 PM EDTSevere Thunderstorm WatchSPCCrawford, Erie7 hr
May 29, 12:56 PM EDTSevere Thunderstorm WatchSPCAllegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 9 more6 hr
May 30, 2:01 PM EDTSevere Thunderstorm WatchSPCAdams, Berks, Bucks, Chester, Cumberland, Dauphin and 11 more5 hr
Jun 1, 4:02 PM EDTSevere Thunderstorm WatchSPCCrawford, Erie6 hr
Jun 2, 3:05 PM EDTSevere Thunderstorm WatchSPCAdams, Berks, Bucks, Chester, Delaware, Franklin and 7 more7 hr
Jun 17, 4:05 PM EDTSevere Thunderstorm WatchSPCChester, Delaware, Montgomery, Philadelphia6 hr
Jun 18, 2:11 PM EDTSevere Thunderstorm WatchSPCBucks, Chester, Delaware, Montgomery, Philadelphia7 hr
Jun 24, 3:37 PM EDTSevere Thunderstorm WatchSPCAllegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 9 more5 hr
Jun 29, 12:08 PM EDTSevere Thunderstorm WatchSPCAdams, Bedford, Berks, Blair, Bradford, Bucks and 41 more9 hr
Jul 17, 1:58 PM EDTSevere Thunderstorm WatchSPCBerks, Bradford, Bucks, Carbon, Chester, Columbia and 20 more8 hr
Jul 19, 2:29 PM EDTSevere Thunderstorm WatchSPCArmstrong, Bradford, Butler, Cameron, Clarion, Crawford and 17 more7 hr
Jul 22, 2:17 PM EDTSevere Thunderstorm WatchSPCAdams, Berks, Bucks, Carbon, Chester, Dauphin and 10 more8 hr
Jul 30, 1:22 PM EDTSevere Thunderstorm WatchSPCBradford, Clinton, Columbia, Lackawanna, Luzerne, Lycoming and 7 more8 hr
Jul 31, 1:17 PM EDTSevere Thunderstorm WatchSPCBerks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more7 hr
Aug 7, 2:10 PM EDTSevere Thunderstorm WatchSPCAdams, Berks, Bucks, Carbon, Chester, Dauphin and 16 more7 hr
Aug 8, 12:37 PM EDTSevere Thunderstorm WatchSPCAllegheny, Armstrong, Beaver, Bedford, Blair, Bradford and 38 more7 hr
Aug 8, 4:43 PM EDTSevere Thunderstorm WatchSPCCarbon, Monroe4 hr
Aug 17, 4:03 PM EDTSevere Thunderstorm WatchSPCArmstrong, Butler, Cameron, Clarion, Clearfield, Clinton and 12 more4 hr
Aug 18, 3:24 PM EDTSevere Thunderstorm WatchSPCCrawford, Erie7 hr
Aug 21, 3:27 PM EDTSevere Thunderstorm WatchSPCAdams, Berks, Bucks, Carbon, Chester, Dauphin and 10 more4 hr
Sep 4, 12:53 PM EDTSevere Thunderstorm WatchSPCBucks, Carbon, Lackawanna, Lehigh, Monroe, Northampton and 3 more8 hr
Oct 31, 6:16 PM EDTSevere Thunderstorm WatchSPCBradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more8 hr
Oct 31, 7:56 PM EDTSevere Thunderstorm WatchSPCBerks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 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. May 23, 20193severe thunderstorm watches
  2. May 19, 20192severe thunderstorm watches
  3. August 8, 20192severe thunderstorm watches
  4. October 31, 20192severe thunderstorm watches
  5. April 19, 20191severe thunderstorm watches
  6. May 3, 20191severe thunderstorm watches
  7. May 24, 20191severe thunderstorm watches
  8. May 25, 20191severe thunderstorm watches
  9. May 28, 20191severe thunderstorm watches
  10. May 29, 20191severe thunderstorm watches
  11. May 30, 20191severe thunderstorm watches
  12. June 1, 20191severe thunderstorm watches

Nearby

Alerts in force nowTornadoes on recordThe radar archive20182020

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.