Alert archive / Pennsylvania / 2025
Weather alerts in Pennsylvania, September 2025
42 weather alerts in September 2025, 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 2025. Tap one for its archive.
- Alerts
- 42
- Warnings
- 12
- Watches
- 1
- Advisories
- 19
- Busiest day
- September 5, 20256 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 3, 3:45 PM EDT | Beach Hazards Statement | CLE | Erie | 23 hr |
| Sep 4, 10:44 AM EDT | Mesoscale Discussion | SPC | Cameron, Elk, McKean, Potter | 2 hr |
| Sep 4, 3:44 PM EDT | Beach Hazards Statement | CLE | Erie | 36 hr |
| Sep 4, 7:03 PM EDT | Severe Thunderstorm Warning | CTP | Columbia | 27 min |
| Sep 4, 7:08 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne | 52 min |
| Sep 4, 7:39 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Montour, Northumberland | 51 min |
| Sep 4, 10:11 PM EDT | Areal Flood Warning | PHI | Berks | 4 hr |
| Sep 4, 10:26 PM EDT | Areal Flood Warning | PHI | Lehigh, Northampton | 4 hr |
| Sep 4, 10:32 PM EDT | Dense Fog Advisory | CTP | Cambria, Cameron, Centre, Clearfield, Clinton, Cumberland and 11 more | 11 hr |
| Sep 5, 1:03 AM EDT | Dense Fog Advisory | BGM | Bradford, Susquehanna, Wayne | 8 hr |
| Sep 5, 1:10 AM EDT | Dense Fog Advisory | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Forest and 5 more | 8 hr |
| Sep 5, 6:01 PM EDT | Mesoscale Discussion | SPC | Fayette, Greene, Washington | 119 min |
| Sep 6, 3:46 AM EDT | Beach Hazards Statement | CLE | Erie | 27 hr |
| Sep 6, 11:56 AM EDT | Mesoscale Discussion | SPC | Berks, Bucks, Chester, Delaware, Lancaster, Lehigh and 5 more | 94 min |
| Sep 6, 1:13 PM EDT | Severe Thunderstorm Watch | SPC | Berks, Bucks, Carbon, Chester, Delaware, Lancaster and 6 more | 7 hr |
| Sep 6, 3:30 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 45 min |
| Sep 6, 3:46 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 29 min |
| Sep 7, 1:12 PM EDT | Frost Advisory | CTP | Cambria, Cameron, Centre, Clearfield, Clinton, Elk and 5 more | 19 hr |
| Sep 8, 1:27 PM EDT | Frost Advisory | CTP | Cameron, Elk, McKean, Potter | 19 hr |
| Sep 13, 6:08 AM EDT | Dense Fog Advisory | CTP | Lancaster | 3 hr |
| Sep 18, 4:57 AM EDT | Dense Fog Advisory | CTP | Bedford, Franklin, Fulton, Huntingdon, McKean, Somerset and 1 more | 4 hr |
| Sep 19, 3:52 PM EDT | Beach Hazards Statement | CLE | Erie | 34 hr |
| Sep 20, 3:07 PM EDT | Severe Thunderstorm Warning | PBZ | Greene, Washington | 14 min |
| Sep 22, 4:14 PM EDT | Special Weather Statement | CLE | Crawford | 46 min |
| Sep 23, 6:26 PM EDT | Flash Flood Warning | CTP | Lancaster | 2 hr |
| Sep 23, 9:57 PM EDT | Dense Fog Advisory | CTP | Adams, Bedford, Blair, Cambria, Cameron, Centre and 25 more | 12 hr |
| Sep 23, 11:08 PM EDT | Dense Fog Advisory | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 7 more | 10 hr |
| Sep 24, 6:13 AM EDT | Dense Fog Advisory | PHI | Berks, Bucks, Chester, Delaware, Lehigh, Montgomery and 2 more | 3 hr |
| Sep 25, 11:39 AM EDT | Tornado Warning | BGM | Wayne | 36 min |
| Sep 25, 3:15 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Cumberland, Franklin | 30 min |
| Sep 25, 3:22 PM EDT | Mesoscale Discussion | SPC | Adams, Berks, Bucks, Carbon, Chester, Columbia and 17 more | 113 min |
| Sep 25, 4:02 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Lancaster, York | 43 min |
| Sep 25, 11:14 PM EDT | Dense Fog Advisory | CTP | Columbia, Lancaster, Lebanon, Lycoming, Montour, Northumberland and 4 more | 10 hr |
| Sep 25, 11:23 PM EDT | Dense Fog Advisory | BGM | Bradford, Lackawanna, Luzerne, Susquehanna, Wayne, Wyoming | 9 hr |
| Sep 26, 1:44 AM EDT | Dense Fog Advisory | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 9 more | 8 hr |
| Sep 26, 3:18 AM EDT | Dense Fog Advisory | CLE | Crawford, Erie | 7 hr |
| Sep 26, 3:37 AM EDT | Dense Fog Advisory | PHI | Berks, Bucks, Chester, Lehigh, Montgomery, Northampton | 5 hr |
| Sep 28, 3:31 AM EDT | Dense Fog Advisory | CTP | Adams, Bedford, Blair, Cambria, Cameron, Centre and 16 more | 5 hr |
| Sep 28, 4:01 AM EDT | Dense Fog Advisory | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 5 more | 20 min |
| Sep 28, 4:21 AM EDT | Dense Fog Advisory | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 5 more | 5 hr |
| Sep 30, 3:35 AM EDT | Beach Hazards Statement | CLE | Erie | 46 hr |
| Sep 30, 5:49 PM EDT | Coastal Flood Advisory | PHI | Bucks, Delaware, Philadelphia | 32 hr |
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 | 8 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 1 |
| Mesoscale Discussion | 4 |
| Special Weather Statement | 1 |
| Flooding | |
| Areal Flood Warning | 2 |
| Flash Flood Warning | 1 |
| Cold | |
| Frost Advisory | 2 |
| Fog and smoke | |
| Dense Fog Advisory | 16 |
| Coast and beach | |
| Coastal Flood Advisory | 1 |
| Beach Hazards Statement | 5 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Lancaster County10
- York County7
- Erie County6
- Cameron County6
- Elk County6
- McKean County6
- Berks County6
- Lehigh County6
- Northampton County6
- Bucks County6
- Chester County6
- Potter County5
- Columbia County5
- Northumberland County5
- Cumberland County5
- Allegheny County5
- Armstrong County5
- Beaver County5
- Butler County5
- Clarion County5
- Indiana County5
- Jefferson County5
- Westmoreland County5
- Fayette County5
- Greene County5
- Washington County5
- Delaware County5
- Montgomery County5
- Philadelphia County5
- Adams County5
- Montour County4
- Cambria County4
- Centre County4
- Clearfield County4
- Clinton County4
- Lebanon County4
- Lycoming County4
- Schuylkill County4
- Tioga County4
- Somerset County4
27 more counties
- Luzerne County3
- Dauphin County3
- Warren County3
- Wayne County3
- Forest County3
- Lawrence County3
- Venango County3
- Monroe County3
- Sullivan County3
- Bedford County3
- Franklin County3
- Huntingdon County3
- Perry County3
- Bradford County2
- Susquehanna County2
- Pike County2
- Carbon County2
- Fulton County2
- Crawford County2
- Blair County2
- Juniata County2
- Mifflin County2
- Snyder County2
- Union County2
- Mercer County2
- Lackawanna County2
- Wyoming County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20242026
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.