Alert archive / Pennsylvania / Severe Thunderstorm Warnings / 2010
Severe Thunderstorm Warnings in Pennsylvania, September 2010
61 severe thunderstorm warnings in September 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 severe thunderstorm warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count in September 2010. Tap one for its archive.
- Severe Thunderstorm Warnings
- 61
- Busiest day
- September 22, 201027 severe thunderstorm warnings
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 |
|---|---|---|---|---|
| Sep 7, 5:45 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 60 min |
| Sep 7, 5:58 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 63 min |
| Sep 7, 7:26 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 33 min |
| Sep 7, 8:34 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Lawrence | 26 min |
| Sep 7, 9:42 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 30 min |
| Sep 13, 1:29 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Susquehanna, Wayne | 61 min |
| Sep 13, 1:58 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Susquehanna | 32 min |
| Sep 13, 2:33 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Lackawanna, Susquehanna, Wyoming | 57 min |
| Sep 13, 2:52 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Pike, Susquehanna, Wayne | 53 min |
| Sep 13, 3:32 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Pike, Wayne, Wyoming | 58 min |
| Sep 13, 3:44 PM EDT | Severe Thunderstorm Warning | BGM | Pike, Wayne | 61 min |
| Sep 13, 3:54 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Lackawanna, Luzerne, Wyoming | 66 min |
| Sep 13, 4:08 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 52 min |
| Sep 13, 4:35 PM EDT | Severe Thunderstorm Warning | PHI | Carbon | 55 min |
| Sep 13, 5:10 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 50 min |
| Sep 16, 4:36 PM EDT | Severe Thunderstorm Warning | PHI | Delaware | 54 min |
| Sep 16, 4:55 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 80 min |
| Sep 16, 6:10 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 50 min |
| Sep 16, 6:33 PM EDT | Severe Thunderstorm Warning | PBZ | Butler, Lawrence, Mercer, Venango | 42 min |
| Sep 16, 6:40 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 65 min |
| Sep 16, 7:15 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 60 min |
| Sep 16, 9:02 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 43 min |
| Sep 22, 2:07 PM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 38 min |
| Sep 22, 2:24 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Centre, Clearfield, Clinton, Elk | 66 min |
| Sep 22, 3:17 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Centre, Clearfield, Clinton | 58 min |
| Sep 22, 3:19 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Dauphin, Lancaster, York | 56 min |
| Sep 22, 3:22 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Indiana, Westmoreland | 53 min |
| Sep 22, 3:38 PM EDT | Severe Thunderstorm Warning | CTP | Clinton, Lycoming, Tioga | 55 min |
| Sep 22, 3:44 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Washington | 31 min |
| Sep 22, 3:57 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Lancaster, York | 78 min |
| Sep 22, 3:58 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 47 min |
| Sep 22, 4:00 PM EDT | Severe Thunderstorm Warning | CTP | Clinton, Lycoming, Montour, Northumberland, Union | 60 min |
| Sep 22, 4:12 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Fayette, Indiana, Washington, Westmoreland | 48 min |
| Sep 22, 4:15 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 60 min |
| Sep 22, 4:38 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Lycoming, Montour, Sullivan | 46 min |
| Sep 22, 4:50 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Blair, Cambria, Fulton, Huntingdon, Somerset | 70 min |
| Sep 22, 4:55 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne | 65 min |
| Sep 22, 4:59 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Westmoreland | 31 min |
| Sep 22, 5:02 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 58 min |
| Sep 22, 5:11 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Lehigh, Monroe, Northampton | 64 min |
| Sep 22, 5:37 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Montour, Northumberland, Schuylkill, Snyder | 53 min |
| Sep 22, 5:54 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Bedford, Cumberland, Franklin, Fulton, Huntingdon and 3 more | 66 min |
| Sep 22, 6:17 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lancaster, Lebanon, Northumberland, Schuylkill | 58 min |
| Sep 22, 6:18 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Monroe, Northampton | 42 min |
| Sep 22, 6:23 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Carbon, Lehigh, Northampton | 67 min |
| Sep 22, 6:40 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 35 min |
| Sep 22, 6:47 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Cumberland, Dauphin, Franklin, Lancaster, Lebanon and 2 more | 73 min |
| Sep 22, 7:07 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Lehigh, Monroe, Montgomery, Northampton | 53 min |
| Sep 22, 7:45 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lancaster, Lebanon, York | 60 min |
| Sep 22, 8:17 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery, Philadelphia | 28 min |
| Sep 28, 5:03 AM EDT | Severe Thunderstorm Warning | CTP | Bedford, Blair, Cambria, Somerset | 57 min |
| Sep 28, 7:23 AM EDT | Severe Thunderstorm Warning | CTP | Bedford, Franklin, Fulton, Huntingdon | 67 min |
| Sep 28, 8:24 AM EDT | Severe Thunderstorm Warning | CTP | Blair, Centre, Clinton, Fulton, Huntingdon, Mifflin | 66 min |
| Sep 28, 9:46 AM EDT | Severe Thunderstorm Warning | BGM | Bradford, Susquehanna | 44 min |
| Sep 28, 10:05 AM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester, Lehigh, Montgomery | 55 min |
| Sep 28, 11:15 AM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 45 min |
| Sep 30, 8:58 AM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 62 min |
| Sep 30, 10:38 AM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 37 min |
| Sep 30, 3:14 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna | 46 min |
| Sep 30, 6:41 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Dauphin, Lebanon, Montour, Northumberland, Schuylkill | 49 min |
| Sep 30, 6:51 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Luzerne, Susquehanna, Wayne, Wyoming | 54 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Lancaster County9
- York County8
- Susquehanna County7
- Erie County5
- Bradford County5
- Wayne County5
- Lackawanna County5
- Monroe County5
- Clinton County5
- Dauphin County5
- Wyoming County4
- Carbon County4
- Montour County4
- Northumberland County4
- Bedford County4
- Fulton County4
- Huntingdon County4
- Lehigh County4
- Northampton County4
- Schuylkill County4
- Lebanon County4
- Pike County3
- Luzerne County3
- Bucks County3
- Centre County3
- Cumberland County3
- Allegheny County3
- Indiana County3
- Westmoreland County3
- Lycoming County3
- Washington County3
- Adams County3
- Columbia County3
- Blair County3
- Franklin County3
- Berks County3
- Montgomery County3
- Crawford County2
- Mercer County2
- Beaver County2
21 more counties
- Lawrence County2
- Delaware County2
- Fayette County2
- Cameron County2
- Clearfield County2
- Cambria County2
- Somerset County2
- Mifflin County2
- Perry County2
- Chester County2
- Butler County1
- Venango County1
- Jefferson County1
- Elk County1
- Armstrong County1
- Tioga County1
- Union County1
- Sullivan County1
- Snyder County1
- Juniata County1
- Philadelphia County1
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.