Alert archive / Pennsylvania / Severe Thunderstorm Warnings / 2024
Severe Thunderstorm Warnings in Pennsylvania, September 2024
22 severe thunderstorm warnings in September 2024. 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 2024. Tap one for its archive.
- Severe Thunderstorm Warnings
- 22
- Busiest day
- September 22, 202410 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 6, 3:51 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer, Venango | 39 min |
| Sep 6, 5:56 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Lawrence | 49 min |
| Sep 6, 6:33 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 42 min |
| Sep 21, 1:22 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Washington | 38 min |
| Sep 21, 2:10 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 50 min |
| Sep 21, 2:49 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene | 41 min |
| Sep 21, 4:44 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Franklin, Fulton | 33 min |
| Sep 21, 6:49 PM EDT | Severe Thunderstorm Warning | CTP | Potter, Tioga | 41 min |
| Sep 21, 7:15 PM EDT | Severe Thunderstorm Warning | CTP | Potter, Tioga | 45 min |
| Sep 21, 7:23 PM EDT | Severe Thunderstorm Warning | CTP | Potter | 52 min |
| Sep 21, 7:55 PM EDT | Severe Thunderstorm Warning | CTP | Clinton, Lycoming, Potter, Tioga | 50 min |
| Sep 21, 7:55 PM EDT | Severe Thunderstorm Warning | CTP | Potter | 50 min |
| Sep 21, 8:00 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, McKean, Potter | 45 min |
| Sep 21, 8:29 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Forest, Jefferson | 24 min |
| Sep 21, 8:40 PM EDT | Severe Thunderstorm Warning | CTP | Clinton, Lycoming, Potter, Tioga | 50 min |
| Sep 21, 9:14 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Clearfield, Elk | 46 min |
| Sep 21, 10:15 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin | 45 min |
| Sep 21, 10:53 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lancaster, York | 52 min |
| Sep 21, 10:58 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lebanon, Northumberland, Schuylkill, Snyder | 32 min |
| Sep 21, 11:40 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 50 min |
| Sep 21, 11:59 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lebanon | 28 min |
| Sep 22, 1:08 AM EDT | Severe Thunderstorm Warning | CTP | Adams, York | 22 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Potter County7
- Tioga County4
- Dauphin County4
- York County3
- Fayette County2
- Greene County2
- Clinton County2
- Lycoming County2
- Cameron County2
- Lancaster County2
- Lebanon County2
- Mercer County1
- Venango County1
- Beaver County1
- Lawrence County1
- Butler County1
- Washington County1
- Bedford County1
- Franklin County1
- Fulton County1
- McKean County1
- Clarion County1
- Forest County1
- Jefferson County1
- Clearfield County1
- Elk County1
- Northumberland County1
- Schuylkill County1
- Snyder County1
- Adams County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20232025
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.