Alert archive / Pennsylvania / 2001
Weather alerts in Pennsylvania, September 2001
28 weather alerts in September 2001, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in September 2001. Tap one for its archive.
- Alerts
- 28
- Warnings
- 26
- Watches
- 2
- Advisories
- 0
- Busiest day
- September 13, 20019 alerts
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, 3:00 PM EDT | Severe Thunderstorm Watch | SPC | Berks, Bucks, Chester, Dauphin, Delaware, Lancaster and 7 more | 6 hr |
| 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, 5:41 PM EDT | Tornado Warning | CTP | Lycoming | 34 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, 4:15 PM EDT | Tornado Watch | SPC | Adams, Berks, Bradford, Carbon, Columbia, Cumberland and 19 more | 6 hr |
| Sep 24, 6:22 PM EDT | Severe Thunderstorm Warning | CTP | Adams, York | 53 min |
| Sep 24, 6:53 PM EDT | Tornado Warning | CTP | York | 67 min |
| Sep 24, 7:16 PM EDT | Flash Flood Warning | CTP | Adams, York | 3 hr |
| Sep 24, 7:36 PM EDT | Flash Flood Warning | CTP | Columbia, Dauphin, Lebanon, Lycoming, Montour, Northumberland and 4 more | 3 hr |
| 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 product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 22 |
| Tornado Warning | 2 |
| Severe Thunderstorm Watch | 1 |
| Tornado Watch | 1 |
| Flooding | |
| Flash Flood Warning | 2 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- York County6
- Schuylkill County5
- Sullivan County5
- Columbia County5
- Northumberland County4
- Lancaster County4
- Lebanon County4
- Lycoming County4
- Union County3
- Berks County3
- Chester County3
- Dauphin County3
- Adams County3
- Delaware County2
- Lehigh County2
- Lackawanna County2
- Wayne County2
- Pike County2
- Carbon County2
- Luzerne County2
- Montour County2
- Snyder County2
- Bucks County1
- Montgomery County1
- Northampton County1
- Philadelphia County1
- Clinton County1
- Mercer County1
- Centre County1
- Bradford County1
- Cumberland County1
- Monroe County1
- Perry County1
- Susquehanna County1
- Wyoming 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. Rebuilt daily.