Alert archive / Pennsylvania / Tornado Watches
Tornado Watches in Pennsylvania, 2024
8 tornado 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 tornado watches reaches back to 1997.
Tornado Watches by county
Each county as a circle sized by its count in 2024. Tap one for its archive.
- Tornado Watches
- 8
- Busiest month
- April3 tornado watches
- Busiest day
- August 9, 20242 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 |
|---|---|---|---|---|
| Apr 2, 7:22 PM EDT | Tornado Watch | SPC | Allegheny, Beaver, Greene, Washington | 4 hr |
| Apr 11, 4:06 PM EDT | Tornado Watch | SPC | Fayette, Greene, Washington | 5 hr |
| Apr 17, 3:46 PM EDT | Tornado Watch | SPC | Allegheny, Armstrong, Beaver, Butler, Clarion, Crawford and 11 more | 7 hr |
| May 7, 9:17 PM EDT | Tornado Watch | SPC | Allegheny, Armstrong, Beaver, Butler, Indiana, Washington and 1 more | 7 hr |
| Jun 29, 1:11 PM EDT | Tornado Watch | SPC | Adams, Allegheny, Armstrong, Beaver, Bedford, Blair and 44 more | 7 hr |
| Jul 10, 12:06 PM EDT | Tornado Watch | SPC | Blair, Bradford, Cambria, Cameron, Centre, Clearfield and 26 more | 11 hr |
| Aug 9, 6:17 AM EDT | Tornado Watch | SPC | Adams, Berks, Bradford, Bucks, Carbon, Chester and 27 more | 8 hr |
| Aug 9, 1:27 PM EDT | Tornado Watch | SPC | Bucks, Carbon, Lackawanna, Lehigh, Monroe, Northampton and 2 more | 7 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Washington County5
- Allegheny County4
- Beaver County4
- Greene County4
- Fayette County3
- Armstrong County3
- Butler County3
- Forest County3
- Indiana County3
- Jefferson County3
- Westmoreland County3
- Columbia County3
- Dauphin County3
- Juniata County3
- Lycoming County3
- Montour County3
- Northumberland County3
- Perry County3
- Schuylkill County3
- Snyder County3
- Sullivan County3
- Union County3
- Lackawanna County3
- Wayne County3
- Clarion County2
- Crawford County2
- Erie County2
- Lawrence County2
- Mercer County2
- Venango County2
- Adams County2
- Blair County2
- Cambria County2
- Cameron County2
- Centre County2
- Clearfield County2
- Clinton County2
- Cumberland County2
- Elk County2
- Huntingdon County2
27 more counties
- Lancaster County2
- Lebanon County2
- McKean County2
- Mifflin County2
- Potter County2
- Tioga County2
- Warren County2
- York County2
- Bradford County2
- Luzerne County2
- Susquehanna County2
- Wyoming County2
- Bucks County2
- Carbon County2
- Lehigh County2
- Monroe County2
- Northampton County2
- Pike County2
- Bedford County1
- Franklin County1
- Fulton County1
- Somerset County1
- Berks County1
- Chester County1
- Delaware County1
- Montgomery County1
- Philadelphia County1
The busiest days
Days with the most alerts issued, by UTC date.
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.