Alert archive / Pennsylvania / River Flood Warnings
River Flood Warnings in Pennsylvania, 2018
165 river flood warnings in 2018. 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 river flood warnings reaches back to 2005.
River Flood Warnings by county
Each county as a circle sized by its count in 2018. Tap one for its archive.
- River Flood Warnings
- 165
- Busiest month
- September38 river flood warnings
- Busiest day
- February 16, 201816 river flood warnings
Over time
By month
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 |
|---|---|---|---|---|
| Jan 12, 2:53 AM EST | River Flood Warning | CLE | Crawford | 4 days |
| Jan 12, 9:30 AM EST | River Flood Warning | PBZ | Armstrong, Clarion | 18 hr |
| Jan 12, 9:40 AM EST | River Flood Warning | PBZ | Clarion, Forest, Jefferson | 22 hr |
| Jan 12, 11:47 PM EST | River Flood Warning | PBZ | Armstrong, Clarion | 13 hr |
| Jan 13, 12:22 AM EST | River Flood Warning | PBZ | Armstrong | 8 hr |
| Jan 13, 2:42 AM EST | River Flood Warning | PBZ | Allegheny | 14 hr |
| Jan 13, 7:15 AM EST | River Flood Warning | PBZ | Allegheny | 27 hr |
| Jan 15, 7:59 AM EST | River Flood Warning | PHI | Bucks | 27 hr |
| Jan 23, 10:45 AM EST | River Flood Warning | CTP | Lebanon, Schuylkill | 21 hr |
| Jan 23, 2:17 PM EST | River Flood Warning | CTP | Dauphin, Lebanon | 24 hr |
| Jan 24, 10:07 AM EST | River Flood Warning | BGM | Luzerne | 29 hr |
| Jan 25, 12:57 AM EST | River Flood Warning | BGM | Luzerne | 21 hr |
| Feb 11, 3:15 PM EST | River Flood Warning | PHI | Bucks | 17 hr |
| Feb 15, 9:33 PM EST | River Flood Warning | PBZ | Allegheny | 53 hr |
| Feb 16, 4:27 AM EST | River Flood Warning | CTP | Blair, Huntingdon | 22 hr |
| Feb 16, 4:28 AM EST | River Flood Warning | PBZ | Indiana, Westmoreland | 26 hr |
| Feb 16, 6:03 AM EST | River Flood Warning | CTP | Huntingdon | 20 hr |
| Feb 16, 7:51 AM EST | River Flood Warning | PBZ | Fayette, Washington, Westmoreland | 44 hr |
| Feb 16, 7:51 AM EST | River Flood Warning | PBZ | Allegheny, Washington, Westmoreland | 46 hr |
| Feb 16, 7:51 AM EST | River Flood Warning | PBZ | Allegheny | 35 hr |
| Feb 16, 7:51 AM EST | River Flood Warning | PBZ | Fayette | 23 hr |
| Feb 16, 7:51 AM EST | River Flood Warning | PBZ | Allegheny, Westmoreland | 26 hr |
| Feb 16, 8:03 AM EST | River Flood Warning | PBZ | Fayette, Greene | 26 hr |
| Feb 16, 8:03 AM EST | River Flood Warning | PBZ | Fayette, Greene | 26 hr |
| Feb 16, 10:50 AM EST | River Flood Warning | PBZ | Allegheny | 36 hr |
| Feb 16, 10:50 AM EST | River Flood Warning | PBZ | Beaver | 45 hr |
| Feb 16, 1:22 PM EST | River Flood Warning | CTP | Blair, Huntingdon | 12 hr |
| Feb 16, 2:39 PM EST | River Flood Warning | CTP | Somerset | 11 hr |
| Feb 16, 3:31 PM EST | River Flood Warning | PBZ | Beaver | 45 hr |
| Apr 16, 7:45 AM EDT | River Flood Warning | PHI | Delaware | 4 hr |
| Apr 16, 10:52 AM EDT | River Flood Warning | PBZ | Fayette, Greene | 22 hr |
| Apr 16, 10:52 AM EDT | River Flood Warning | PBZ | Fayette, Greene | 19 hr |
| Apr 16, 10:52 AM EDT | River Flood Warning | PBZ | Fayette, Washington, Westmoreland | 30 hr |
| Apr 16, 10:52 AM EDT | River Flood Warning | PBZ | Allegheny, Washington, Westmoreland | 35 hr |
| Apr 16, 11:41 AM EDT | River Flood Warning | PHI | Bucks | 12 hr |
| Apr 16, 2:21 PM EDT | River Flood Warning | CTP | Perry | 6 hr |
| Apr 17, 8:37 AM EDT | River Flood Warning | CTP | Cumberland | 10 hr |
| May 17, 6:01 AM EDT | River Flood Warning | PHI | Chester | 7 hr |
| May 17, 9:50 AM EDT | River Flood Warning | PHI | Bucks | 3 hr |
| May 17, 10:04 AM EDT | River Flood Warning | PHI | Chester, Delaware | 8 hr |
| May 27, 9:21 AM EDT | River Flood Warning | PHI | Bucks | 12 hr |
| Jun 11, 3:28 AM EDT | River Flood Warning | PHI | Chester | 5 hr |
| Jun 11, 5:37 AM EDT | River Flood Warning | CTP | Lebanon, Schuylkill | 11 hr |
| Jun 28, 7:52 AM EDT | River Flood Warning | CTP | Lebanon, Schuylkill | 24 hr |
| Jun 28, 10:20 AM EDT | River Flood Warning | CTP | Dauphin, Lebanon | 26 hr |
| Jul 22, 5:36 AM EDT | River Flood Warning | CTP | Perry | 3 hr |
| Jul 22, 11:16 AM EDT | River Flood Warning | CTP | Cumberland | 11 hr |
| Jul 23, 12:19 AM EDT | River Flood Warning | PHI | Chester | 5 hr |
| Jul 23, 4:47 AM EDT | River Flood Warning | CTP | Lebanon, Schuylkill | 4 days |
| Jul 23, 6:24 AM EDT | River Flood Warning | CTP | Dauphin, Lebanon | 5 days |
| Jul 23, 7:00 AM EDT | River Flood Warning | PHI | Chester, Delaware | 9 hr |
| Jul 23, 11:02 AM EDT | River Flood Warning | CTP | Dauphin | 4 days |
| Jul 23, 5:36 PM EDT | River Flood Warning | CTP | Huntingdon | 3 days |
| Jul 24, 8:35 AM EDT | River Flood Warning | CTP | Snyder, Union | 58 hr |
| Jul 24, 8:35 AM EDT | River Flood Warning | CTP | Perry | 23 hr |
| Jul 24, 8:35 AM EDT | River Flood Warning | CTP | Cumberland | 3 days |
| Jul 24, 10:22 AM EDT | River Flood Warning | CTP | Huntingdon | 58 hr |
| Jul 24, 10:24 AM EDT | River Flood Warning | BGM | Bradford | 5 hr |
| Jul 24, 11:36 PM EDT | River Flood Warning | CTP | Cumberland, York | 59 hr |
| Jul 25, 3:41 AM EDT | River Flood Warning | CTP | Lycoming, Sullivan | 32 hr |
| Jul 25, 5:02 AM EDT | River Flood Warning | BGM | Bradford | 15 hr |
| Jul 25, 10:20 AM EDT | River Flood Warning | CTP | Lycoming | 24 hr |
| Jul 25, 10:20 AM EDT | River Flood Warning | CTP | Lycoming, Northumberland, Union | 24 hr |
| Jul 25, 10:20 AM EDT | River Flood Warning | CTP | Northumberland, Union | 24 hr |
| Jul 25, 10:20 AM EDT | River Flood Warning | CTP | Northumberland, Union | 40 hr |
| Jul 25, 10:20 AM EDT | River Flood Warning | CTP | Northumberland, Union | 41 hr |
| Jul 25, 10:20 AM EDT | River Flood Warning | CTP | Columbia | 57 hr |
| Jul 25, 10:20 AM EDT | River Flood Warning | CTP | Columbia, Montour, Northumberland, Union | 61 hr |
| Jul 25, 10:20 AM EDT | River Flood Warning | CTP | Dauphin, Juniata, Northumberland, Perry, Snyder, Union | 58 hr |
| Jul 25, 10:20 AM EDT | River Flood Warning | CTP | Cumberland, Dauphin, Juniata, Lancaster, Perry, Snyder and 1 more | 72 hr |
| Jul 25, 10:20 AM EDT | River Flood Warning | CTP | Lancaster, York | 48 hr |
| Jul 27, 10:46 AM EDT | River Flood Warning | CTP | Lebanon, Schuylkill | 36 hr |
| Aug 3, 7:24 AM EDT | River Flood Warning | CTP | Centre, Clinton | 4 hr |
| Aug 3, 1:38 PM EDT | River Flood Warning | CTP | Centre, Clinton | 16 hr |
| Aug 3, 6:51 PM EDT | River Flood Warning | CTP | Blair, Huntingdon | 9 hr |
| Aug 4, 1:36 AM EDT | River Flood Warning | CTP | Lancaster, York | 27 hr |
| Aug 4, 6:45 AM EDT | River Flood Warning | PHI | Chester | 4 hr |
| Aug 4, 9:20 AM EDT | River Flood Warning | PHI | Montgomery | 3 hr |
| Aug 4, 11:12 AM EDT | River Flood Warning | CTP | Lebanon, Schuylkill | 9 hr |
| Aug 4, 11:55 AM EDT | River Flood Warning | PHI | Chester, Montgomery, Philadelphia | 12 hr |
| Aug 13, 7:22 AM EDT | River Flood Warning | CTP | Lebanon, Schuylkill | 32 hr |
| Aug 13, 9:16 AM EDT | River Flood Warning | CTP | Dauphin, Lebanon | 37 hr |
| Aug 13, 9:21 AM EDT | River Flood Warning | PHI | Chester | 10 hr |
| Aug 13, 11:05 AM EDT | River Flood Warning | PHI | Chester, Delaware | 30 hr |
| Aug 13, 12:14 PM EDT | River Flood Warning | PHI | Berks, Montgomery | 23 hr |
| Aug 13, 12:14 PM EDT | River Flood Warning | PHI | Montgomery | 28 hr |
| Aug 13, 12:14 PM EDT | River Flood Warning | PHI | Chester, Montgomery, Philadelphia | 52 hr |
| Aug 13, 12:39 PM EDT | River Flood Warning | BGM | Bradford | 11 hr |
| Aug 13, 3:07 PM EDT | River Flood Warning | PHI | Montgomery | 6 hr |
| Aug 13, 5:09 PM EDT | River Flood Warning | PHI | Montgomery, Philadelphia | 31 hr |
| Aug 13, 8:13 PM EDT | River Flood Warning | BGM | Lackawanna | 24 hr |
| Aug 13, 9:39 PM EDT | River Flood Warning | BGM | Susquehanna | 44 hr |
| Aug 13, 9:40 PM EDT | River Flood Warning | BGM | Wyoming | 41 hr |
| Aug 14, 3:57 AM EDT | River Flood Warning | CTP | Dauphin | 66 hr |
| Aug 14, 8:04 AM EDT | River Flood Warning | BGM | Bradford | 6 hr |
| Aug 14, 9:47 AM EDT | River Flood Warning | CTP | Columbia | 55 hr |
| Aug 14, 9:47 AM EDT | River Flood Warning | CTP | Columbia, Montour, Northumberland, Union | 56 hr |
| Aug 14, 3:21 PM EDT | River Flood Warning | CTP | Lycoming, Sullivan | 111 min |
| Aug 14, 3:22 PM EDT | River Flood Warning | BGM | Bradford | 31 hr |
| Aug 14, 3:22 PM EDT | River Flood Warning | BGM | Bradford | 29 hr |
| Aug 14, 3:22 PM EDT | River Flood Warning | BGM | Wyoming | 32 hr |
| Aug 14, 3:22 PM EDT | River Flood Warning | BGM | Luzerne | 44 hr |
| Aug 22, 4:36 AM EDT | River Flood Warning | PHI | Montgomery | 6 hr |
| Aug 22, 8:50 AM EDT | River Flood Warning | CTP | Lancaster, York | 10 hr |
| Aug 22, 10:04 AM EDT | River Flood Warning | PHI | Chester, Montgomery, Philadelphia | 5 hr |
| Aug 31, 3:06 PM EDT | River Flood Warning | CTP | Lebanon, Schuylkill | 14 hr |
| Sep 1, 4:51 AM EDT | River Flood Warning | CTP | Lancaster, York | 5 hr |
| Sep 9, 9:24 AM EDT | River Flood Warning | CTP | Blair, Huntingdon | 57 hr |
| Sep 9, 11:02 AM EDT | River Flood Warning | CTP | Somerset | 36 hr |
| Sep 9, 11:21 AM EDT | River Flood Warning | CTP | Cumberland, York | 3 days |
| Sep 9, 1:17 PM EDT | River Flood Warning | CTP | Huntingdon | 42 hr |
| Sep 9, 3:05 PM EDT | River Flood Warning | PBZ | Indiana, Westmoreland | 40 hr |
| Sep 9, 3:48 PM EDT | River Flood Warning | PBZ | Fayette, Greene | 28 hr |
| Sep 9, 3:48 PM EDT | River Flood Warning | PBZ | Fayette, Greene | 28 hr |
| Sep 9, 3:48 PM EDT | River Flood Warning | PBZ | Fayette | 44 hr |
| Sep 9, 3:51 PM EDT | River Flood Warning | CTP | Blair, Huntingdon | 48 hr |
| Sep 9, 5:12 PM EDT | River Flood Warning | PBZ | Allegheny | 46 hr |
| Sep 9, 5:12 PM EDT | River Flood Warning | PBZ | Fayette, Washington, Westmoreland | 44 hr |
| Sep 9, 5:12 PM EDT | River Flood Warning | PBZ | Allegheny, Washington, Westmoreland | 50 hr |
| Sep 9, 5:12 PM EDT | River Flood Warning | PBZ | Allegheny | 46 hr |
| Sep 9, 5:12 PM EDT | River Flood Warning | PBZ | Allegheny, Westmoreland | 44 hr |
| Sep 9, 10:55 PM EDT | River Flood Warning | PBZ | Allegheny | 39 hr |
| Sep 9, 10:55 PM EDT | River Flood Warning | PBZ | Beaver | 47 hr |
| Sep 9, 10:55 PM EDT | River Flood Warning | PBZ | Beaver | 52 hr |
| Sep 10, 6:27 AM EDT | River Flood Warning | CTP | Huntingdon | 36 hr |
| Sep 10, 10:36 AM EDT | River Flood Warning | CTP | Centre, Clinton | 3 days |
| Sep 10, 11:17 AM EDT | River Flood Warning | CTP | Cumberland | 49 hr |
| Sep 10, 3:43 PM EDT | River Flood Warning | PBZ | Allegheny | 25 hr |
| Sep 10, 10:44 PM EDT | River Flood Warning | CTP | Centre, Clinton | 8 hr |
| Sep 10, 10:44 PM EDT | River Flood Warning | CTP | Clinton | 31 hr |
| Sep 10, 10:44 PM EDT | River Flood Warning | CTP | Lycoming | 36 hr |
| Sep 10, 10:44 PM EDT | River Flood Warning | CTP | Lycoming | 34 hr |
| Sep 10, 10:44 PM EDT | River Flood Warning | CTP | Lycoming, Northumberland, Union | 38 hr |
| Sep 10, 10:44 PM EDT | River Flood Warning | CTP | Northumberland, Union | 36 hr |
| Sep 10, 10:44 PM EDT | River Flood Warning | CTP | Northumberland, Union | 40 hr |
| Sep 10, 10:44 PM EDT | River Flood Warning | CTP | Northumberland, Union | 49 hr |
| Sep 11, 5:12 AM EDT | River Flood Warning | CTP | Juniata, Mifflin | 17 hr |
| Sep 11, 5:12 AM EDT | River Flood Warning | CTP | Dauphin | 49 hr |
| Sep 18, 10:28 AM EDT | River Flood Warning | BGM | Bradford | 37 hr |
| Sep 28, 4:59 AM EDT | River Flood Warning | PHI | Chester | 7 hr |
| Sep 28, 5:33 AM EDT | River Flood Warning | PHI | Montgomery | 6 hr |
| Sep 28, 7:32 AM EDT | River Flood Warning | PBZ | Fayette | 4 hr |
| Sep 28, 8:28 AM EDT | River Flood Warning | PHI | Chester, Delaware | 13 hr |
| Sep 28, 8:33 AM EDT | River Flood Warning | PHI | Chester, Montgomery, Philadelphia | 7 hr |
| Nov 3, 1:03 AM EDT | River Flood Warning | PHI | Lehigh | 5 hr |
| Nov 3, 2:03 AM EDT | River Flood Warning | PHI | Chester | 6 hr |
| Nov 3, 2:40 AM EDT | River Flood Warning | PHI | Montgomery | 10 hr |
| Nov 3, 2:40 AM EDT | River Flood Warning | PHI | Chester, Montgomery, Philadelphia | 15 hr |
| Nov 3, 5:00 AM EDT | River Flood Warning | PHI | Chester, Delaware | 6 hr |
| Nov 24, 9:57 PM EST | River Flood Warning | PHI | Chester | 8 hr |
| Nov 24, 10:34 PM EST | River Flood Warning | PHI | Delaware | 5 hr |
| Nov 24, 11:12 PM EST | River Flood Warning | CTP | Cumberland, York | 4 hr |
| Nov 25, 12:13 AM EST | River Flood Warning | PHI | Montgomery | 10 hr |
| Nov 25, 12:16 AM EST | River Flood Warning | PHI | Chester, Delaware | 15 hr |
| Nov 25, 1:47 AM EST | River Flood Warning | PHI | Bucks | 12 hr |
| Nov 25, 2:54 AM EST | River Flood Warning | PHI | Chester, Montgomery, Philadelphia | 21 hr |
| Nov 25, 2:54 AM EST | River Flood Warning | PHI | Montgomery, Philadelphia | 17 hr |
| Nov 25, 9:30 AM EST | River Flood Warning | CTP | Lancaster, York | 3 hr |
| Dec 16, 7:25 AM EST | River Flood Warning | PHI | Chester | 96 min |
| Dec 21, 3:44 AM EST | River Flood Warning | PHI | Chester | 9 hr |
| Dec 21, 5:10 AM EST | River Flood Warning | PHI | Delaware | 5 hr |
| Dec 21, 5:20 AM EST | River Flood Warning | PHI | Chester, Delaware | 14 hr |
| Dec 21, 8:51 AM EST | River Flood Warning | PHI | Bucks | 6 hr |
| Dec 22, 4:26 AM EST | River Flood Warning | CTP | Snyder, Union | 13 hr |
| Dec 22, 6:19 AM EST | River Flood Warning | CTP | Huntingdon | 16 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Chester County23
- Montgomery County16
- Allegheny County14
- Union County13
- Lebanon County12
- Fayette County12
- Huntingdon County11
- Northumberland County11
- Westmoreland County10
- Delaware County10
- Dauphin County9
- York County9
- Schuylkill County8
- Cumberland County8
- Philadelphia County8
- Bucks County7
- Bradford County7
- Lycoming County7
- Washington County6
- Greene County6
- Lancaster County6
- Blair County5
- Perry County5
- Clinton County5
- Beaver County4
- Snyder County4
- Columbia County4
- Centre County4
- Armstrong County3
- Clarion County3
- Luzerne County3
- Juniata County3
- Indiana County2
- Somerset County2
- Sullivan County2
- Montour County2
- Wyoming County2
- Crawford County1
- Forest County1
- Jefferson County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20172019
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.