Alert archive / Pennsylvania / 2019
Weather alerts in Pennsylvania, September 2019
160 weather alerts in September 2019, 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 2019. Tap one for its archive.
- Alerts
- 160
- Warnings
- 38
- Watches
- 1
- Advisories
- 10
- Busiest day
- September 2, 201944 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 1, 5:03 PM EDT | Special Weather Statement | PBZ | Fayette | 42 min |
| Sep 1, 5:17 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 43 min |
| Sep 1, 6:06 PM EDT | Special Weather Statement | CLE | Crawford, Erie | 84 min |
| Sep 1, 6:28 PM EDT | Special Weather Statement | PBZ | Westmoreland | 47 min |
| Sep 1, 7:26 PM EDT | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Butler, Cambria, Cameron and 15 more | 94 min |
| Sep 1, 7:32 PM EDT | Special Weather Statement | PBZ | Beaver | 28 min |
| Sep 1, 7:59 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 17 min |
| Sep 1, 8:08 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 52 min |
| Sep 1, 8:19 PM EDT | Special Weather Statement | PBZ | Venango | 26 min |
| Sep 1, 8:26 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer, Venango | 49 min |
| Sep 1, 8:32 PM EDT | Special Weather Statement | PBZ | Lawrence | 28 min |
| Sep 1, 8:42 PM EDT | Areal Flood Advisory | PBZ | Beaver | 3 hr |
| Sep 1, 8:55 PM EDT | Areal Flood Advisory | PBZ | Lawrence | 3 hr |
| Sep 1, 9:15 PM EDT | Flash Flood Warning | PBZ | Beaver | 3 hr |
| Sep 1, 9:24 PM EDT | Flash Flood Warning | PBZ | Mercer, Venango | 3 hr |
| Sep 1, 10:03 PM EDT | Flash Flood Warning | PBZ | Allegheny | 3 hr |
| Sep 1, 11:37 PM EDT | Severe Thunderstorm Warning | PBZ | Greene, Washington | 38 min |
| Sep 1, 11:40 PM EDT | Special Weather Statement | PBZ | Allegheny, Armstrong, Washington | 65 min |
| Sep 2, 12:46 AM EDT | Special Weather Statement | PBZ | Armstrong, Fayette, Indiana, Westmoreland | 59 min |
| Sep 2, 12:59 AM EDT | Areal Flood Warning | PBZ | Allegheny | 3 hr |
| Sep 2, 1:05 AM EDT | Special Weather Statement | CTP | Clearfield | 25 min |
| Sep 2, 2:13 AM EDT | Special Weather Statement | CTP | Cambria | 32 min |
| Sep 2, 2:45 AM EDT | Special Weather Statement | CTP | Blair | 30 min |
| Sep 2, 3:17 AM EDT | Special Weather Statement | CTP | Centre | 28 min |
| Sep 2, 5:03 AM EDT | Special Weather Statement | CTP | Perry | 27 min |
| Sep 2, 5:34 AM EDT | Special Weather Statement | CTP | Cumberland, Dauphin | 41 min |
| Sep 2, 6:08 AM EDT | Special Weather Statement | CTP | Dauphin | 22 min |
| Sep 2, 8:07 AM EDT | Special Weather Statement | PHI | Chester | 38 min |
| Sep 2, 8:45 AM EDT | Special Weather Statement | PHI | Montgomery | 45 min |
| Sep 2, 9:26 AM EDT | Special Weather Statement | PHI | Montgomery, Philadelphia | 49 min |
| Sep 2, 1:07 PM EDT | Special Weather Statement | PHI | Bucks | 38 min |
| Sep 2, 2:01 PM EDT | Mesoscale Discussion | SPC | Adams, Berks, Bucks, Chester, Cumberland, Delaware and 7 more | 119 min |
| Sep 2, 2:54 PM EDT | Special Weather Statement | PHI | Chester | 51 min |
| Sep 2, 3:15 PM EDT | Special Weather Statement | BGM | Bradford | 45 min |
| Sep 2, 3:58 PM EDT | Mesoscale Discussion | SPC | Carbon, Centre, Columbia, Juniata, Lackawanna, Luzerne and 13 more | 3 hr |
| Sep 2, 4:05 PM EDT | Special Weather Statement | CTP | Montour | 25 min |
| Sep 2, 4:31 PM EDT | Special Weather Statement | CTP | Lancaster | 29 min |
| Sep 2, 4:33 PM EDT | Special Weather Statement | PHI | Philadelphia | 27 min |
| Sep 2, 4:35 PM EDT | Special Weather Statement | CTP | Columbia, Montour | 40 min |
| Sep 2, 4:56 PM EDT | Areal Flood Advisory | PHI | Bucks, Delaware, Montgomery, Philadelphia | 78 min |
| Sep 2, 5:02 PM EDT | Special Weather Statement | BGM | Luzerne | 28 min |
| Sep 2, 5:19 PM EDT | Special Weather Statement | CTP | Columbia | 26 min |
| Sep 2, 6:10 PM EDT | Areal Flood Advisory | CTP | Lancaster | 65 min |
| Sep 2, 6:14 PM EDT | Special Weather Statement | CTP | Lancaster | 16 min |
| Sep 2, 6:22 PM EDT | Special Weather Statement | CTP | York | 23 min |
| Sep 2, 6:31 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 29 min |
| Sep 2, 6:31 PM EDT | Special Weather Statement | PHI | Lehigh | 44 min |
| Sep 2, 7:00 PM EDT | Special Weather Statement | CTP | Lancaster | 30 min |
| Sep 2, 7:10 PM EDT | Special Weather Statement | PHI | Berks | 35 min |
| Sep 2, 7:25 PM EDT | Special Weather Statement | CTP | Lancaster | 20 min |
| Sep 2, 7:28 PM EDT | Special Weather Statement | PHI | Berks | 47 min |
| Sep 2, 8:01 PM EDT | Special Weather Statement | PHI | Berks | 44 min |
| Sep 3, 5:27 AM EDT | Dense Fog Advisory | CTP | Bedford, Blair, Cambria, Cameron, Centre, Clearfield and 19 more | 4 hr |
| Sep 3, 9:58 PM EDT | Beach Hazards Statement | CLE | Erie | 14 hr |
| Sep 4, 3:23 AM EDT | Special Weather Statement | CLE | Crawford, Erie | 67 min |
| Sep 4, 3:29 AM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 47 min |
| Sep 4, 4:38 AM EDT | Special Weather Statement | CTP | Warren | 37 min |
| Sep 4, 11:19 AM EDT | Mesoscale Discussion | SPC | Bradford, Susquehanna, Wayne | 116 min |
| Sep 4, 12:37 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna | 53 min |
| Sep 4, 12:53 PM EDT | Severe Thunderstorm Watch | SPC | Bucks, Carbon, Lackawanna, Lehigh, Monroe, Northampton and 3 more | 8 hr |
| Sep 4, 2:29 PM EDT | Special Weather Statement | BGM | Wayne | 31 min |
| Sep 4, 3:27 PM EDT | Mesoscale Discussion | SPC | Monroe, Northampton, Pike | 93 min |
| Sep 4, 5:51 PM EDT | Special Weather Statement | PHI | Delaware, Philadelphia | 39 min |
| Sep 4, 6:02 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware, Montgomery, Philadelphia | 43 min |
| Sep 4, 7:05 PM EDT | Special Weather Statement | PHI | Delaware, Philadelphia | 25 min |
| Sep 4, 8:33 PM EDT | Areal Flood Advisory | PHI | Philadelphia | 83 min |
| Sep 11, 3:08 PM EDT | Special Weather Statement | PBZ | Beaver | 37 min |
| Sep 11, 3:08 PM EDT | Mesoscale Discussion | SPC | Adams, Allegheny, Armstrong, Beaver, Bedford, Blair and 35 more | 2 hr |
| Sep 11, 3:28 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Lawrence | 47 min |
| Sep 11, 3:45 PM EDT | Special Weather Statement | PBZ | Mercer | 30 min |
| Sep 11, 4:00 PM EDT | Severe Thunderstorm Warning | PBZ | Butler, Lawrence, Mercer | 45 min |
| Sep 11, 4:10 PM EDT | Special Weather Statement | PBZ | Mercer | 35 min |
| Sep 11, 4:19 PM EDT | Special Weather Statement | PBZ | Venango | 26 min |
| Sep 11, 4:33 PM EDT | Special Weather Statement | CTP | Northumberland, Schuylkill | 27 min |
| Sep 11, 4:34 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Butler, Lawrence | 41 min |
| Sep 11, 4:39 PM EDT | Special Weather Statement | PBZ | Mercer | 36 min |
| Sep 11, 4:48 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Northumberland, Schuylkill | 57 min |
| Sep 11, 4:53 PM EDT | Special Weather Statement | PBZ | Armstrong | 37 min |
| Sep 11, 4:59 PM EDT | Special Weather Statement | CTP | Clinton | 31 min |
| Sep 11, 4:59 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Butler | 46 min |
| Sep 11, 5:06 PM EDT | Special Weather Statement | CLE | Crawford | 24 min |
| Sep 11, 5:10 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Butler, Clarion, Venango | 50 min |
| Sep 11, 5:14 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 31 min |
| Sep 11, 5:19 PM EDT | Special Weather Statement | PHI | Monroe | 41 min |
| Sep 11, 5:22 PM EDT | Special Weather Statement | PBZ | Butler | 38 min |
| Sep 11, 5:35 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Jefferson, Venango | 26 min |
| Sep 11, 5:37 PM EDT | Special Weather Statement | PBZ | Jefferson | 23 min |
| Sep 11, 5:46 PM EDT | Special Weather Statement | PHI | Berks | 59 min |
| Sep 11, 6:11 PM EDT | Special Weather Statement | CTP | Warren | 34 min |
| Sep 11, 6:15 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Montgomery | 45 min |
| Sep 11, 6:42 PM EDT | Special Weather Statement | CLE | Crawford | 33 min |
| Sep 11, 6:43 PM EDT | Special Weather Statement | CTP | Montour | 32 min |
| Sep 11, 6:56 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 19 min |
| Sep 11, 6:59 PM EDT | Severe Thunderstorm Warning | CTP | Cambria | 61 min |
| Sep 11, 7:02 PM EDT | Special Weather Statement | BGM | Luzerne | 43 min |
| Sep 11, 7:03 PM EDT | Special Weather Statement | CTP | Clearfield | 27 min |
| Sep 11, 7:05 PM EDT | Special Weather Statement | PBZ | Westmoreland | 25 min |
| Sep 11, 7:09 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 17 min |
| Sep 11, 7:12 PM EDT | Special Weather Statement | PBZ | Mercer | 33 min |
| Sep 11, 7:13 PM EDT | Special Weather Statement | CLE | Crawford, Erie | 47 min |
| Sep 11, 7:30 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Blair, Huntingdon | 75 min |
| Sep 11, 7:30 PM EDT | Special Weather Statement | PHI | Montgomery | 45 min |
| Sep 11, 7:47 PM EDT | Special Weather Statement | BGM | Luzerne | 43 min |
| Sep 11, 7:59 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 31 min |
| Sep 11, 8:01 PM EDT | Special Weather Statement | CLE | Crawford | 29 min |
| Sep 11, 8:22 PM EDT | Special Weather Statement | PHI | Chester | 23 min |
| Sep 11, 8:38 PM EDT | Special Weather Statement | CTP | Huntingdon, Mifflin | 37 min |
| Sep 11, 8:47 PM EDT | Special Weather Statement | CLE | Erie | 28 min |
| Sep 11, 8:51 PM EDT | Special Weather Statement | PHI | Chester | 39 min |
| Sep 11, 9:02 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 18 min |
| Sep 11, 9:13 PM EDT | Areal Flood Advisory | CLE | Erie | 6 hr |
| Sep 11, 9:51 PM EDT | Special Weather Statement | PHI | Berks, Lehigh | 24 min |
| Sep 11, 10:10 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh, Montgomery | 28 min |
| Sep 11, 10:37 PM EDT | Special Weather Statement | PHI | Bucks, Montgomery | 38 min |
| Sep 11, 11:23 PM EDT | Special Weather Statement | BGM | Susquehanna | 52 min |
| Sep 12, 12:13 AM EDT | Special Weather Statement | BGM | Susquehanna | 47 min |
| Sep 12, 1:11 AM EDT | Special Weather Statement | BGM | Bradford | 49 min |
| Sep 12, 4:02 AM EDT | Beach Hazards Statement | CLE | Erie | 24 hr |
| Sep 12, 2:02 PM EDT | Mesoscale Discussion | SPC | Adams, Berks, Blair, Bucks, Centre, Chester and 22 more | 118 min |
| Sep 12, 6:03 PM EDT | Special Weather Statement | CTP | York | 27 min |
| Sep 13, 4:06 AM EDT | Wind Advisory | CLE | Erie | 20 hr |
| Sep 13, 8:52 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 38 min |
| Sep 13, 9:41 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 33 min |
| Sep 13, 11:23 PM EDT | Special Weather Statement | PBZ | Mercer | 52 min |
| Sep 13, 11:38 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer, Venango | 37 min |
| Sep 14, 12:43 AM EDT | Areal Flood Advisory | PBZ | Mercer | 2 hr |
| Sep 14, 12:49 AM EDT | Special Weather Statement | PBZ | Lawrence, Mercer | 41 min |
| Sep 14, 3:36 AM EDT | Beach Hazards Statement | CLE | Erie | 17 hr |
| Sep 22, 9:46 PM EDT | Beach Hazards Statement | CLE | Erie | 36 hr |
| Sep 23, 3:23 PM EDT | Mesoscale Discussion | SPC | Bradford, McKean, Potter, Susquehanna, Tioga | 97 min |
| Sep 26, 3:53 AM EDT | Beach Hazards Statement | CLE | Erie | 18 hr |
| Sep 28, 5:31 PM EDT | Special Weather Statement | BGM | Wyoming | 59 min |
| Sep 28, 5:51 PM EDT | Mesoscale Discussion | SPC | Adams, Allegheny, Armstrong, Beaver, Bedford, Berks and 39 more | 114 min |
| Sep 28, 6:07 PM EDT | Special Weather Statement | PBZ | Beaver | 38 min |
| Sep 28, 6:16 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Washington | 44 min |
| Sep 28, 6:31 PM EDT | Special Weather Statement | CTP | Cumberland | 44 min |
| Sep 28, 6:32 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene, Washington | 43 min |
| Sep 28, 6:42 PM EDT | Special Weather Statement | BGM | Wayne | 63 min |
| Sep 28, 6:52 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Indiana, Westmoreland | 38 min |
| Sep 28, 7:02 PM EDT | Special Weather Statement | CTP | Perry | 28 min |
| Sep 28, 7:09 PM EDT | Special Weather Statement | PBZ | Allegheny | 51 min |
| Sep 28, 7:13 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lebanon | 77 min |
| Sep 28, 7:15 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Fayette, Washington, Westmoreland | 45 min |
| Sep 28, 7:38 PM EDT | Special Weather Statement | CTP | Dauphin | 52 min |
| Sep 28, 7:45 PM EDT | Special Weather Statement | CTP | Somerset | 60 min |
| Sep 28, 8:11 PM EDT | Special Weather Statement | PHI | Lebanon | 64 min |
| Sep 28, 8:12 PM EDT | Special Weather Statement | CTP | Lancaster | 48 min |
| Sep 28, 8:32 PM EDT | Special Weather Statement | CTP | Lebanon | 28 min |
| Sep 28, 8:45 PM EDT | Special Weather Statement | CTP | Schuylkill | 45 min |
| Sep 28, 9:18 PM EDT | Special Weather Statement | CTP | Bedford, Fulton | 42 min |
| Sep 28, 9:23 PM EDT | Special Weather Statement | CTP | Lancaster | 37 min |
| Sep 28, 9:33 PM EDT | Special Weather Statement | PHI | Montgomery | 42 min |
| Sep 28, 9:36 PM EDT | Special Weather Statement | PHI | Carbon | 39 min |
| Sep 28, 9:37 PM EDT | Special Weather Statement | CTP | Carbon | 8 min |
| Sep 28, 9:58 PM EDT | Special Weather Statement | PHI | Delaware | 47 min |
| Sep 28, 10:02 PM EDT | Special Weather Statement | CTP | Lancaster | 43 min |
| Sep 28, 10:24 PM EDT | Special Weather Statement | PHI | Philadelphia | 36 min |
| Sep 28, 10:41 PM EDT | Severe Thunderstorm Warning | PHI | Philadelphia | 49 min |
| Sep 29, 4:14 AM EDT | Beach Hazards Statement | CLE | Erie | 17 hr |
| Sep 30, 7:11 AM EDT | Areal Flood Advisory | PBZ | Allegheny | 103 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 | 34 |
| Severe Thunderstorm Watch | 1 |
| Mesoscale Discussion | 9 |
| Special Weather Statement | 96 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Warning | 3 |
| Areal Flood Advisory | 8 |
| Wind and dust | |
| Wind Advisory | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
| Coast and beach | |
| Beach Hazards Statement | 6 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Erie County17
- Beaver County14
- Mercer County13
- Crawford County12
- Allegheny County12
- Montgomery County12
- Philadelphia County12
- Lancaster County12
- Berks County10
- Westmoreland County9
- Venango County9
- Chester County9
- Delaware County9
- Lawrence County8
- Washington County8
- Fayette County7
- Armstrong County7
- Butler County7
- Dauphin County7
- Bucks County7
- Lebanon County7
- Lehigh County7
- York County7
- Columbia County7
- Montour County7
- Schuylkill County7
- Susquehanna County7
- Cambria County6
- Indiana County6
- Blair County6
- Centre County6
- Cumberland County6
- Mifflin County6
- Northumberland County6
- Huntingdon County6
- Clearfield County5
- Greene County5
- Warren County5
- Perry County5
- Carbon County5
27 more counties
- Juniata County5
- Luzerne County5
- Monroe County5
- Snyder County5
- Union County5
- Wayne County5
- Bedford County5
- Clinton County5
- Fulton County5
- Clarion County4
- Jefferson County4
- McKean County4
- Adams County4
- Franklin County4
- Bradford County4
- Somerset County4
- Cameron County3
- Elk County3
- Lycoming County3
- Pike County3
- Sullivan County3
- Potter County3
- Northampton County3
- Forest County2
- Lackawanna County2
- Wyoming County2
- Tioga County2
Nearby
Alerts in force nowTornadoes on recordThe radar archive20182020
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.