Alert archive / Pennsylvania / Severe Thunderstorm Warnings / 2015
Severe Thunderstorm Warnings in Pennsylvania, April 2015
30 severe thunderstorm warnings in April 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 April 2015. Tap one for its archive.
- Severe Thunderstorm Warnings
- 30
- Busiest day
- April 20, 201513 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 |
|---|---|---|---|---|
| Apr 9, 4:38 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 37 min |
| Apr 9, 5:05 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Lawrence | 25 min |
| Apr 9, 5:17 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 28 min |
| Apr 9, 5:29 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Greene, Washington | 31 min |
| Apr 9, 5:38 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 37 min |
| Apr 9, 5:56 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Butler, Greene, Washington | 34 min |
| Apr 9, 5:56 PM EDT | Severe Thunderstorm Warning | PBZ | Butler, Lawrence, Mercer, Venango | 34 min |
| Apr 9, 6:12 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene | 33 min |
| Apr 9, 6:17 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Butler, Fayette, Greene, Washington and 1 more | 28 min |
| Apr 9, 6:43 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Butler, Fayette, Indiana, Jefferson, Westmoreland | 32 min |
| Apr 20, 5:17 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Butler, Lawrence | 43 min |
| Apr 20, 5:25 PM EDT | Severe Thunderstorm Warning | CTP | Bedford | 65 min |
| Apr 20, 5:28 PM EDT | Severe Thunderstorm Warning | CTP | Cambria, Clearfield, Elk | 62 min |
| Apr 20, 6:31 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Centre, Huntingdon | 59 min |
| Apr 20, 7:02 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton, Lycoming | 58 min |
| Apr 20, 7:09 PM EDT | Severe Thunderstorm Warning | CTP | Bedford | 66 min |
| Apr 20, 7:21 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Centre, Huntingdon, Mifflin | 54 min |
| Apr 20, 7:22 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton, Huntingdon, Mifflin, Union | 53 min |
| Apr 20, 7:32 PM EDT | Severe Thunderstorm Warning | CTP | Fulton, Huntingdon | 58 min |
| Apr 20, 7:40 PM EDT | Severe Thunderstorm Warning | CTP | Clinton, Lycoming | 65 min |
| Apr 20, 7:42 PM EDT | Severe Thunderstorm Warning | CTP | Potter, Tioga | 42 min |
| Apr 20, 7:56 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Franklin, Fulton, Perry | 64 min |
| Apr 20, 7:59 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lebanon, Perry | 61 min |
| Apr 20, 8:19 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton, Huntingdon, Lycoming, Mifflin, Snyder and 1 more | 56 min |
| Apr 20, 8:30 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Cumberland, Franklin | 60 min |
| Apr 20, 8:47 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming, Sullivan | 58 min |
| Apr 20, 8:54 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Dauphin, Juniata, Lebanon, Northumberland, Perry and 2 more | 66 min |
| Apr 20, 9:00 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lebanon, Schuylkill | 60 min |
| Apr 20, 9:03 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 42 min |
| Apr 22, 3:09 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Philadelphia | 51 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Greene County7
- Butler County5
- Centre County5
- Huntingdon County5
- Beaver County4
- Clinton County4
- Lycoming County4
- Lawrence County3
- Allegheny County3
- Washington County3
- Fayette County3
- Mifflin County3
- Cumberland County3
- Perry County3
- Dauphin County3
- Lebanon County3
- Armstrong County2
- Westmoreland County2
- Bedford County2
- Blair County2
- Union County2
- Fulton County2
- Franklin County2
- Snyder County2
- Schuylkill County2
- Mercer County1
- Venango County1
- Indiana County1
- Jefferson County1
- Cambria County1
- Clearfield County1
- Elk County1
- Potter County1
- Tioga County1
- Adams County1
- Sullivan County1
- Juniata County1
- Northumberland County1
- Berks County1
- Bucks County1
1 more counties
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.