Alert archive / Pennsylvania / Tornado Watches
Tornado Watches in Pennsylvania, 2010
10 tornado watches in 2010. 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 2010. Tap one for its archive.
- Tornado Watches
- 10
- Busiest month
- June5 tornado watches
- Busiest day
- June 6, 20103 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 |
|---|---|---|---|---|
| Jun 5, 1:00 PM EDT | Tornado Watch | SPC | Pike, Wayne | 7 hr |
| Jun 5, 3:13 PM EDT | Tornado Watch | SPC | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 9 more | 4 hr |
| Jun 6, 2:03 AM EDT | Tornado Watch | SPC | Allegheny, Armstrong, Beaver, Butler, Cambria, Cameron and 15 more | 7 hr |
| Jun 6, 7:51 AM EDT | Tornado Watch | SPC | Allegheny, Armstrong, Beaver, Bedford, Blair, Bradford and 41 more | 7 hr |
| Jun 6, 11:08 AM EDT | Tornado Watch | SPC | Adams, Berks, Bucks, Carbon, Chester, Cumberland and 12 more | 8 hr |
| Jul 23, 5:55 PM EDT | Tornado Watch | SPC | Lackawanna, Monroe, Pike, Wayne | 4 hr |
| Jul 24, 6:48 PM EDT | Tornado Watch | SPC | Bradford, Cameron, Centre, Clearfield, Clinton, Columbia and 16 more | 4 hr |
| Sep 28, 10:58 AM EDT | Tornado Watch | SPC | Berks, Bucks, Carbon, Chester, Delaware, Lackawanna and 10 more | 7 hr |
| Sep 30, 12:39 PM EDT | Tornado Watch | SPC | Berks, Bucks, Carbon, Chester, Dauphin, Delaware and 9 more | 6 hr |
| Oct 26, 1:36 PM EDT | Tornado Watch | SPC | Allegheny, Armstrong, Beaver, Butler, Cambria, Cameron and 18 more | 7 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Pike County5
- Wayne County5
- Allegheny County4
- Armstrong County4
- Beaver County4
- Butler County4
- Clarion County4
- Forest County4
- Indiana County4
- Jefferson County4
- Lawrence County4
- Mercer County4
- Venango County4
- Washington County4
- Westmoreland County4
- Cameron County4
- Clearfield County4
- Elk County4
- McKean County4
- Lackawanna County4
- Monroe County4
- Fayette County3
- Greene County3
- Cambria County3
- Warren County3
- Luzerne County3
- Susquehanna County3
- Wyoming County3
- Berks County3
- Bucks County3
- Carbon County3
- Chester County3
- Delaware County3
- Lehigh County3
- Montgomery County3
- Northampton County3
- Philadelphia County3
- Schuylkill County3
- Crawford County2
- Erie County2
27 more counties
- Bradford County2
- Centre County2
- Clinton County2
- Columbia County2
- Lycoming County2
- Montour County2
- Northumberland County2
- Potter County2
- Somerset County2
- Sullivan County2
- Tioga County2
- Union County2
- Dauphin County2
- Lancaster County2
- Lebanon County2
- York County2
- Bedford County1
- Blair County1
- Fulton County1
- Huntingdon County1
- Juniata County1
- Mifflin County1
- Perry County1
- Snyder County1
- Adams County1
- Cumberland County1
- Franklin County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20092011
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.