Alert archive / Pennsylvania / Severe Thunderstorm Warnings / 2015
Severe Thunderstorm Warnings in Pennsylvania, August 2015
34 severe thunderstorm warnings in August 2015. 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 August 2015. Tap one for its archive.
- Severe Thunderstorm Warnings
- 34
- Busiest day
- August 4, 201516 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 |
|---|---|---|---|---|
| Aug 3, 4:19 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 41 min |
| Aug 3, 4:22 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Washington, Westmoreland | 53 min |
| Aug 3, 4:57 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Washington | 48 min |
| Aug 3, 5:24 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 51 min |
| Aug 3, 5:43 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Fayette, Washington, Westmoreland | 47 min |
| Aug 3, 6:08 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene, Washington | 52 min |
| Aug 3, 6:29 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Fayette, Westmoreland | 46 min |
| Aug 3, 6:52 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Washington | 38 min |
| Aug 3, 6:57 PM EDT | Severe Thunderstorm Warning | CTP | Somerset | 78 min |
| Aug 3, 7:07 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Washington | 38 min |
| Aug 3, 7:11 PM EDT | Severe Thunderstorm Warning | PBZ | Forest, Jefferson | 34 min |
| Aug 3, 7:16 PM EDT | Severe Thunderstorm Warning | CTP | Elk, McKean | 74 min |
| Aug 3, 7:42 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Washington | 48 min |
| Aug 3, 7:55 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Butler | 50 min |
| Aug 3, 8:21 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Washington, Westmoreland | 39 min |
| Aug 3, 8:57 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 33 min |
| Aug 3, 9:05 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Butler, Clarion | 40 min |
| Aug 3, 9:22 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Lawrence | 38 min |
| Aug 3, 9:38 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Forest, Jefferson | 52 min |
| Aug 3, 11:34 PM EDT | Severe Thunderstorm Warning | CTP | Huntingdon, Juniata, Mifflin | 70 min |
| Aug 3, 11:39 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Westmoreland | 29 min |
| Aug 3, 11:52 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 38 min |
| Aug 4, 12:13 AM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Fayette, Washington, Westmoreland | 47 min |
| Aug 4, 12:25 AM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Perry | 53 min |
| Aug 4, 12:46 AM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 17 min |
| Aug 4, 1:31 AM EDT | Severe Thunderstorm Warning | PHI | Berks | 44 min |
| Aug 4, 1:54 AM EDT | Severe Thunderstorm Warning | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 50 min |
| Aug 4, 2:52 AM EDT | Severe Thunderstorm Warning | CTP | Adams, York | 83 min |
| Aug 4, 3:59 AM EDT | Severe Thunderstorm Warning | BGM | Bradford | 31 min |
| Aug 4, 4:20 AM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 33 min |
| Aug 15, 4:30 PM EDT | Severe Thunderstorm Warning | PBZ | Lawrence | 30 min |
| Aug 20, 1:33 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Cumberland, Dauphin, Lancaster, York | 57 min |
| Aug 20, 5:19 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Juniata, Perry, Snyder | 56 min |
| Aug 24, 4:50 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lancaster, Lebanon | 40 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Washington County11
- Allegheny County9
- Beaver County6
- Westmoreland County6
- Fayette County6
- Dauphin County4
- Forest County2
- Jefferson County2
- Butler County2
- Indiana County2
- Clarion County2
- Lawrence County2
- Juniata County2
- Perry County2
- Berks County2
- Adams County2
- York County2
- Lancaster County2
- Greene County1
- Somerset County1
- Elk County1
- McKean County1
- Armstrong County1
- Huntingdon County1
- Mifflin County1
- Carbon County1
- Lehigh County1
- Monroe County1
- Northampton County1
- Bradford County1
- Chester County1
- Delaware County1
- Cumberland County1
- Snyder County1
- Lebanon County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20142016
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.