Alert archive / Pennsylvania / Tornado Watches
Tornado Watches in Pennsylvania, 2026
10 tornado watches in 2026. 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 watches reaches back to 1997.
Tornado Watches by county
Each county as a circle sized by its count in 2026. Tap one for its archive.
- Tornado Watches
- 10
- Busiest month
- March4 tornado watches
- Busiest day
- March 7, 20261 tornado 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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 7, 1:23 PM EST | Tornado Watch | SPC | Allegheny, Armstrong, Beaver, Butler, Cambria, Cameron and 19 more | 5 hr |
| Mar 11, 1:45 PM EDT | Tornado Watch | SPC | Adams, Allegheny, Bedford, Blair, Cambria, Centre and 24 more | 6 hr |
| Mar 16, 11:30 AM EDT | Tornado Watch | SPC | Adams, Berks, Bucks, Carbon, Chester, Columbia and 20 more | 6 hr |
| Mar 26, 4:52 PM EDT | Tornado Watch | SPC | Allegheny, Armstrong, Beaver, Butler, Clarion, Crawford and 8 more | 6 hr |
| Jun 14, 5:41 PM EDT | Tornado Watch | SPC | Allegheny, Armstrong, Bedford, Blair, Butler, Cambria and 21 more | 4 hr |
| Jul 18, 1:55 PM EDT | Tornado Watch | SPC | Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more | 6 hr |
| Jul 21, 2:06 PM EDT | Tornado Watch | SPC | Berks, Bucks, Carbon, Chester, Delaware, Lackawanna and 13 more | 7 hr |
| Jul 28, 4:20 PM EDT | Tornado Watch | SPC | Bucks, Chester, Delaware, Montgomery, Philadelphia | 5 hr |
| Aug 20, 2:58 PM EDT | Tornado Watch | SPC | Bucks, Chester, Delaware, Montgomery, Philadelphia | 7 hr |
| Sep 2, 4:41 PM EDT | Tornado Watch | SPC | Bradford | 6 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Bucks County5
- Chester County5
- Delaware County5
- Montgomery County5
- Philadelphia County5
- Allegheny County4
- Westmoreland County4
- Armstrong County3
- Butler County3
- Cambria County3
- Clarion County3
- Clearfield County3
- Fayette County3
- Greene County3
- Indiana County3
- Somerset County3
- Washington County3
- Lancaster County3
- Lebanon County3
- Mifflin County3
- Schuylkill County3
- Snyder County3
- Union County3
- Berks County3
- Carbon County3
- Lehigh County3
- Monroe County3
- Northampton County3
- Beaver County2
- Cameron County2
- Crawford County2
- Elk County2
- Erie County2
- Forest County2
- Jefferson County2
- Lawrence County2
- McKean County2
- Mercer County2
- Potter County2
- Venango County2
26 more counties
- Warren County2
- Adams County2
- Bedford County2
- Blair County2
- Centre County2
- Columbia County2
- Cumberland County2
- Dauphin County2
- Franklin County2
- Fulton County2
- Huntingdon County2
- Juniata County2
- Montour County2
- Northumberland County2
- Perry County2
- York County2
- Clinton County1
- Lycoming County1
- Tioga County1
- Lackawanna County1
- Luzerne County1
- Pike County1
- Susquehanna County1
- Wayne County1
- Wyoming County1
- Bradford County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
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.