Alert archive / Pennsylvania / Severe Thunderstorm Watches
Severe Thunderstorm Watches in Pennsylvania, 2013
38 severe thunderstorm watches in 2013. 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 2013. Tap one for its archive.
- Severe Thunderstorm Watches
- 38
- Busiest month
- June10 severe thunderstorm watches
- Busiest day
- November 1, 20134 severe thunderstorm 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 |
|---|---|---|---|---|
| Jan 30, 8:31 AM EST | Severe Thunderstorm Watch | SPC | Allegheny, Armstrong, Beaver, Butler, Fayette, Greene and 3 more | 4 hr |
| Apr 10, 6:13 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Allegheny, Armstrong, Beaver, Bedford, Blair and 25 more | 5 hr |
| Apr 16, 3:42 PM EDT | Severe Thunderstorm Watch | SPC | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 9 more | 7 hr |
| Apr 19, 8:09 PM EDT | Severe Thunderstorm Watch | SPC | Bucks, Delaware, Montgomery, Philadelphia | 2 hr |
| Apr 24, 4:55 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Berks, Carbon, Chester, Columbia, Cumberland and 23 more | 3 hr |
| May 22, 12:58 PM EDT | Severe Thunderstorm Watch | SPC | Lackawanna, Luzerne, Pike, Susquehanna, Wayne, Wyoming | 10 hr |
| May 22, 2:27 PM EDT | Severe Thunderstorm Watch | SPC | Allegheny, Armstrong, Beaver, Butler, Cambria, Cameron and 20 more | 7 hr |
| May 22, 3:41 PM EDT | Severe Thunderstorm Watch | SPC | Bradford, Susquehanna, Wayne | 7 hr |
| May 29, 3:19 PM EDT | Severe Thunderstorm Watch | SPC | Bradford, Lackawanna, Luzerne, Lycoming, McKean, Pike and 6 more | 8 hr |
| Jun 12, 11:53 PM EDT | Severe Thunderstorm Watch | SPC | Allegheny, Armstrong, Beaver, Butler, Clarion, Crawford and 11 more | 7 hr |
| Jun 13, 3:58 AM EDT | Severe Thunderstorm Watch | SPC | Adams, Bedford, Blair, Cambria, Cameron, Centre and 28 more | 7 hr |
| Jun 13, 7:30 AM EDT | Severe Thunderstorm Watch | SPC | Berks, Bucks, Chester, Delaware, Lehigh, Montgomery and 1 more | 4 hr |
| Jun 24, 2:44 PM EDT | Severe Thunderstorm Watch | SPC | Berks, Bucks, Carbon, Chester, Delaware, Lancaster and 6 more | 6 hr |
| Jun 25, 3:37 PM EDT | Severe Thunderstorm Watch | SPC | Allegheny, Armstrong, Beaver, Butler, Clarion, Crawford and 11 more | 8 hr |
| Jun 25, 6:20 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Bedford, Blair, Cambria, Cameron, Centre and 26 more | 5 hr |
| Jun 25, 8:46 PM EDT | Severe Thunderstorm Watch | SPC | Berks, Bucks, Chester, Delaware, Lehigh, Montgomery and 1 more | 4 hr |
| Jun 26, 2:55 PM EDT | Severe Thunderstorm Watch | SPC | Bucks, Chester, Delaware, Montgomery, Philadelphia | 7 hr |
| Jun 28, 1:09 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Allegheny, Armstrong, Beaver, Bedford, Blair and 21 more | 7 hr |
| Jun 28, 2:08 PM EDT | Severe Thunderstorm Watch | SPC | Berks, Bucks, Chester, Delaware, Lehigh, Montgomery and 1 more | 7 hr |
| Jul 7, 1:16 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Bedford, Blair, Cambria, Centre, Clinton and 20 more | 6 hr |
| Jul 7, 4:45 PM EDT | Severe Thunderstorm Watch | SPC | Berks, Bradford, Bucks, Carbon, Chester, Delaware and 11 more | 5 hr |
| Jul 10, 12:31 PM EDT | Severe Thunderstorm Watch | SPC | Allegheny, Armstrong, Beaver, Butler, Clarion, Crawford and 11 more | 7 hr |
| Jul 10, 3:56 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Bedford, Blair, Cambria, Cameron, Centre and 21 more | 6 hr |
| Jul 23, 1:54 PM EDT | Severe Thunderstorm Watch | SPC | Allegheny, Armstrong, Beaver, Butler, Clarion, Crawford and 11 more | 8 hr |
| Aug 7, 3:49 PM EDT | Severe Thunderstorm Watch | SPC | Allegheny, Armstrong, Beaver, Bedford, Blair, Butler and 17 more | 6 hr |
| Sep 2, 3:18 PM EDT | Severe Thunderstorm Watch | SPC | Bradford, Cameron, Centre, Clarion, Clearfield, Clinton and 21 more | 7 hr |
| Sep 11, 12:33 PM EDT | Severe Thunderstorm Watch | SPC | Allegheny, Armstrong, Beaver, Bedford, Blair, Bradford and 40 more | 8 hr |
| Sep 12, 12:37 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Bedford, Blair, Bradford, Cambria, Cameron and 33 more | 7 hr |
| Sep 12, 2:50 PM EDT | Severe Thunderstorm Watch | SPC | Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more | 6 hr |
| Oct 31, 10:09 PM EDT | Severe Thunderstorm Watch | SPC | Crawford, Erie | 6 hr |
| Nov 1, 12:46 AM EDT | Severe Thunderstorm Watch | SPC | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 9 more | 5 hr |
| Nov 1, 4:17 AM EDT | Severe Thunderstorm Watch | SPC | Adams, Bedford, Blair, Cambria, Cameron, Centre and 26 more | 4 hr |
| Nov 1, 6:25 AM EDT | Severe Thunderstorm Watch | SPC | Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more | 5 hr |
| Nov 17, 8:23 PM EST | Severe Thunderstorm Watch | SPC | Allegheny, Armstrong, Beaver, Butler, Cambria, Cameron and 19 more | 4 hr |
| Nov 17, 11:06 PM EST | Severe Thunderstorm Watch | SPC | Adams, Bedford, Blair, Centre, Clinton, Columbia and 19 more | 4 hr |
| Nov 18, 1:07 AM EST | Severe Thunderstorm Watch | SPC | Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more | 5 hr |
| Dec 22, 1:36 AM EST | Severe Thunderstorm Watch | SPC | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 9 more | 3 hr |
| Dec 22, 3:37 AM EST | Severe Thunderstorm Watch | SPC | Adams, Bedford, Blair, Cambria, Cameron, Centre and 26 more | 5 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Allegheny County14
- Armstrong County14
- Beaver County14
- Butler County14
- Fayette County14
- Greene County14
- Indiana County14
- Washington County14
- Westmoreland County14
- Cambria County13
- Clarion County13
- Forest County13
- Jefferson County13
- Lawrence County13
- Somerset County13
- Bedford County12
- Blair County12
- Clearfield County12
- Franklin County12
- Huntingdon County12
- Mifflin County12
- Venango County12
- Lycoming County12
- Adams County11
- Cameron County11
- Centre County11
- Clinton County11
- Cumberland County11
- Elk County11
- Fulton County11
- Juniata County11
- Perry County11
- York County11
- Mercer County11
- Columbia County11
- Montour County11
- Northumberland County11
- Snyder County11
- Sullivan County11
- Union County11
27 more counties
- McKean County11
- Potter County11
- Tioga County11
- Bucks County10
- Delaware County10
- Montgomery County10
- Philadelphia County10
- Chester County10
- Lancaster County10
- Berks County9
- Dauphin County9
- Lebanon County9
- Lehigh County9
- Schuylkill County9
- Luzerne County8
- Wayne County8
- Crawford County8
- Erie County8
- Lackawanna County7
- Pike County7
- Wyoming County7
- Susquehanna County7
- Carbon County6
- Monroe County6
- Northampton County6
- Warren County6
- Bradford County6
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20122014
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.