Alert archive / Pennsylvania / Severe Thunderstorm Warnings / 2001
Severe Thunderstorm Warnings in Pennsylvania, September 2001
22 severe thunderstorm warnings in September 2001. 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 2001. Tap one for its archive.
- Severe Thunderstorm Warnings
- 22
- Busiest day
- September 13, 20018 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 4, 2:02 PM EDT | Severe Thunderstorm Warning | CTP | Northumberland, Union | 58 min |
| Sep 4, 2:37 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 53 min |
| Sep 4, 3:01 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 59 min |
| Sep 4, 3:59 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 61 min |
| Sep 4, 4:41 PM EDT | Severe Thunderstorm Warning | PHI | Delaware | 49 min |
| Sep 4, 5:23 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 52 min |
| Sep 10, 3:07 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 53 min |
| Sep 13, 5:04 PM EDT | Severe Thunderstorm Warning | CTP | Clinton, Lycoming | 56 min |
| Sep 13, 5:34 PM EDT | Severe Thunderstorm Warning | CTP | Sullivan | 41 min |
| Sep 13, 6:12 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Lycoming, Sullivan | 63 min |
| Sep 13, 6:23 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Wayne | 67 min |
| Sep 13, 6:39 PM EDT | Severe Thunderstorm Warning | BGM | Pike | 66 min |
| Sep 13, 7:14 PM EDT | Severe Thunderstorm Warning | CTP | Columbia | 31 min |
| Sep 13, 7:18 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 57 min |
| Sep 13, 7:40 PM EDT | Severe Thunderstorm Warning | CTP | Centre | 65 min |
| Sep 13, 8:46 PM EDT | Severe Thunderstorm Warning | PHI | Carbon | 29 min |
| Sep 13, 9:55 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne | 35 min |
| Sep 24, 6:22 PM EDT | Severe Thunderstorm Warning | CTP | Adams, York | 53 min |
| Sep 24, 7:57 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 63 min |
| Sep 24, 8:09 PM EDT | Severe Thunderstorm Warning | CTP | Lebanon | 66 min |
| Sep 24, 9:17 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Northumberland, Schuylkill | 58 min |
| Sep 24, 9:43 PM EDT | Severe Thunderstorm Warning | CTP | Sullivan | 62 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Sullivan County3
- Columbia County3
- Northumberland County2
- Schuylkill County2
- Chester County2
- Lancaster County2
- Lycoming County2
- York County2
- Union County1
- Berks County1
- Delaware County1
- Clinton County1
- Lackawanna County1
- Wayne County1
- Pike County1
- Mercer County1
- Centre County1
- Carbon County1
- Luzerne County1
- Adams County1
- Lebanon County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20002002
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.