Alert archive / Pennsylvania / Severe Thunderstorm Watches / 2012
Severe Thunderstorm Watches in Pennsylvania, May 2012
7 severe thunderstorm watches in May 2012. 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 May 2012. Tap one for its archive.
- Severe Thunderstorm Watches
- 7
- Busiest day
- May 29, 20123 severe thunderstorm watches
Over time
By day
Days in UTC, the clock the archive keeps.
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 |
|---|---|---|---|---|
| May 16, 1:18 PM EDT | Severe Thunderstorm Watch | SPC | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 9 hr |
| May 26, 2:29 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Berks, Bucks, Carbon, Columbia, Cumberland and 18 more | 6 hr |
| May 27, 1:33 PM EDT | Severe Thunderstorm Watch | SPC | Allegheny, Armstrong, Beaver, Butler, Clarion, Crawford and 9 more | 5 hr |
| May 27, 5:21 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Bedford, Blair, Cambria, Centre, Clearfield and 21 more | 4 hr |
| May 29, 10:27 AM EDT | Severe Thunderstorm Watch | SPC | Allegheny, Armstrong, Beaver, Butler, Cambria, Cameron and 19 more | 5 hr |
| May 29, 1:03 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Bedford, Berks, Blair, Bradford, Carbon and 30 more | 8 hr |
| May 29, 5:54 PM EDT | Severe Thunderstorm Watch | SPC | Bucks, Chester, Delaware, Montgomery, Northampton, Philadelphia | 3 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Luzerne County3
- Pike County3
- Adams County3
- Columbia County3
- Cumberland County3
- Dauphin County3
- Juniata County3
- Lancaster County3
- Lebanon County3
- Mifflin County3
- Montour County3
- Northumberland County3
- Perry County3
- Schuylkill County3
- Snyder County3
- Union County3
- York County3
- Bradford County2
- Lackawanna County2
- Susquehanna County2
- Wayne County2
- Wyoming County2
- Berks County2
- Bucks County2
- Carbon County2
- Lehigh County2
- Monroe County2
- Montgomery County2
- Northampton County2
- Allegheny County2
- Armstrong County2
- Beaver County2
- Butler County2
- Clarion County2
- Crawford County2
- Erie County2
- Forest County2
- Indiana County2
- Jefferson County2
- Lawrence County2
27 more counties
- Mercer County2
- Venango County2
- Washington County2
- Westmoreland County2
- Bedford County2
- Blair County2
- Cambria County2
- Centre County2
- Clearfield County2
- Clinton County2
- Franklin County2
- Fulton County2
- Huntingdon County2
- Lycoming County2
- Somerset County2
- Sullivan County2
- Cameron County1
- Elk County1
- Fayette County1
- Greene County1
- McKean County1
- Potter County1
- Warren County1
- Tioga County1
- Chester County1
- Delaware County1
- Philadelphia County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20112013
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.