Alert archive / Pennsylvania / Severe Thunderstorm Watches / 2007
Severe Thunderstorm Watches in Pennsylvania, August 2007
9 severe thunderstorm watches in August 2007. 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 August 2007. Tap one for its archive.
- Severe Thunderstorm Watches
- 9
- Busiest day
- August 9, 20072 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 |
|---|---|---|---|---|
| Aug 3, 12:56 PM EDT | Severe Thunderstorm Watch | SPC | Bradford, Cameron, Clinton, Elk, Lycoming, McKean and 5 more | 9 hr |
| Aug 8, 2:53 PM EDT | Severe Thunderstorm Watch | SPC | Fayette, Greene, Washington | 6 hr |
| Aug 9, 9:47 AM EDT | Severe Thunderstorm Watch | SPC | Adams, Bedford, Blair, Cambria, Centre, Clearfield and 13 more | 6 hr |
| Aug 9, 1:22 PM EDT | Severe Thunderstorm Watch | SPC | Allegheny, Armstrong, Beaver, Butler, Clarion, Crawford and 11 more | 7 hr |
| Aug 17, 1:37 PM EDT | Severe Thunderstorm Watch | SPC | Berks, Bucks, Carbon, Chester, Columbia, Delaware and 14 more | 6 hr |
| Aug 20, 1:19 PM EDT | Severe Thunderstorm Watch | SPC | Allegheny, Armstrong, Beaver, Butler, Fayette, Greene and 4 more | 7 hr |
| Aug 23, 2:43 PM EDT | Severe Thunderstorm Watch | SPC | Allegheny, Armstrong, Beaver, Bedford, Blair, Butler and 14 more | 6 hr |
| Aug 25, 1:58 PM EDT | Severe Thunderstorm Watch | SPC | Bradford, Susquehanna, Wyoming | 8 hr |
| Aug 25, 5:58 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Allegheny, Armstrong, Beaver, Bedford, Berks and 44 more | 5 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Fayette County5
- Greene County5
- Washington County5
- Allegheny County4
- Armstrong County4
- Beaver County4
- Butler County4
- Indiana County4
- Westmoreland County4
- Sullivan County3
- Bedford County3
- Blair County3
- Cambria County3
- Clearfield County3
- Lancaster County3
- Lebanon County3
- Somerset County3
- Clarion County3
- Forest County3
- Jefferson County3
- Lawrence County3
- Bradford County2
- Cameron County2
- Clinton County2
- Elk County2
- Lycoming County2
- McKean County2
- Potter County2
- Susquehanna County2
- Tioga County2
- Adams County2
- Centre County2
- Cumberland County2
- Dauphin County2
- Franklin County2
- Fulton County2
- Huntingdon County2
- Juniata County2
- Mifflin County2
- Perry County2
25 more counties
- Snyder County2
- York County2
- Mercer County2
- Venango County2
- Berks County2
- Carbon County2
- Chester County2
- Columbia County2
- Lehigh County2
- Monroe County2
- Montour County2
- Northampton County2
- Northumberland County2
- Schuylkill County2
- Wyoming County2
- Wayne County1
- Crawford County1
- Erie County1
- Bucks County1
- Delaware County1
- Lackawanna County1
- Luzerne County1
- Montgomery County1
- Philadelphia County1
- Union County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20062008
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.