Alert archive / Pennsylvania / River Flood Warnings / 2011
River Flood Warnings in Pennsylvania, March 2011
98 river flood warnings in March 2011. 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 March 2011. Tap one for its archive.
- River Flood Warnings
- 98
- Busiest day
- March 11, 201141 river flood 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 |
|---|---|---|---|---|
| Feb 28, 9:13 PM EST | River Flood Warning | PBZ | Clarion, Forest, Jefferson | 8 hr |
| Feb 28, 10:34 PM EST | River Flood Warning | PBZ | Allegheny | 16 hr |
| Feb 28, 10:34 PM EST | River Flood Warning | PBZ | Allegheny, Clarion | 8 hr |
| Feb 28, 10:34 PM EST | River Flood Warning | PBZ | Allegheny | 8 hr |
| Feb 28, 10:34 PM EST | River Flood Warning | PBZ | Allegheny, Westmoreland | 11 hr |
| Feb 28, 10:34 PM EST | River Flood Warning | PBZ | Allegheny | 15 hr |
| Mar 5, 11:46 AM EST | River Flood Warning | CTP | Clinton | 23 hr |
| Mar 6, 6:40 AM EST | River Flood Warning | BGM | Susquehanna | 44 hr |
| Mar 6, 6:40 AM EST | River Flood Warning | BGM | Bradford | 52 hr |
| Mar 6, 6:58 AM EST | River Flood Warning | PBZ | Clarion, Forest, Jefferson | 21 hr |
| Mar 6, 6:59 AM EST | River Flood Warning | CTP | Elk | 8 hr |
| Mar 6, 10:05 AM EST | River Flood Warning | PBZ | Allegheny, Clarion | 18 hr |
| Mar 6, 10:05 AM EST | River Flood Warning | PBZ | Allegheny | 18 hr |
| Mar 6, 10:05 AM EST | River Flood Warning | PBZ | Allegheny, Westmoreland | 19 hr |
| Mar 6, 10:05 AM EST | River Flood Warning | PBZ | Allegheny | 23 hr |
| Mar 6, 3:24 PM EST | River Flood Warning | PBZ | Allegheny | 17 hr |
| Mar 6, 4:19 PM EST | River Flood Warning | CTP | Centre, Snyder, Union | 6 hr |
| Mar 6, 5:15 PM EST | River Flood Warning | BGM | Bradford | 10 hr |
| Mar 6, 5:15 PM EST | River Flood Warning | BGM | Wyoming | 10 hr |
| Mar 6, 5:15 PM EST | River Flood Warning | BGM | Luzerne | 17 hr |
| Mar 6, 6:16 PM EST | River Flood Warning | CTP | Cumberland, York | 10 hr |
| Mar 6, 8:09 PM EST | River Flood Warning | CLE | Crawford | 20 hr |
| Mar 6, 8:41 PM EST | River Flood Warning | BGM | Wyoming | 7 hr |
| Mar 6, 9:44 PM EST | River Flood Warning | CTP | Dauphin, Lebanon, Schuylkill | 25 hr |
| Mar 6, 9:44 PM EST | River Flood Warning | CTP | Dauphin, Lebanon | 30 hr |
| Mar 7, 1:25 AM EST | River Flood Warning | PHI | Bucks | 9 hr |
| Mar 7, 3:55 AM EST | River Flood Warning | PHI | Monroe | 5 hr |
| Mar 7, 8:52 AM EST | River Flood Warning | PHI | Northampton | 17 hr |
| Mar 7, 8:52 AM EST | River Flood Warning | PHI | Bucks | 17 hr |
| Mar 7, 8:55 AM EST | River Flood Warning | PHI | Monroe, Northampton | 11 hr |
| Mar 7, 11:49 AM EST | River Flood Warning | CTP | Dauphin | 23 hr |
| Mar 10, 4:45 AM EST | River Flood Warning | CTP | Columbia | 4 days |
| Mar 10, 4:45 AM EST | River Flood Warning | CTP | Columbia, Montour, Northumberland | 4 days |
| Mar 10, 4:45 AM EST | River Flood Warning | CTP | Centre, Snyder, Union | 49 hr |
| Mar 10, 4:45 AM EST | River Flood Warning | CTP | Cumberland | 63 hr |
| Mar 10, 4:45 AM EST | River Flood Warning | CTP | Cumberland, York | 61 hr |
| Mar 10, 4:45 AM EST | River Flood Warning | CTP | Dauphin, Lebanon, Schuylkill | 54 hr |
| Mar 10, 4:45 AM EST | River Flood Warning | CTP | Dauphin, Lebanon | 63 hr |
| Mar 10, 4:45 AM EST | River Flood Warning | CTP | Dauphin | 70 hr |
| Mar 10, 4:45 AM EST | River Flood Warning | CTP | Lancaster, York | 24 hr |
| Mar 10, 4:45 AM EST | River Flood Warning | CTP | Lycoming, Sullivan | 30 hr |
| Mar 10, 4:45 AM EST | River Flood Warning | CTP | Blair, Huntingdon | 38 hr |
| Mar 10, 4:45 AM EST | River Flood Warning | CTP | Huntingdon | 45 hr |
| Mar 10, 11:18 AM EST | River Flood Warning | PBZ | Allegheny | 49 hr |
| Mar 10, 11:18 AM EST | River Flood Warning | PBZ | Allegheny | 44 hr |
| Mar 10, 11:18 AM EST | River Flood Warning | PBZ | Beaver | 44 hr |
| Mar 10, 11:18 AM EST | River Flood Warning | PBZ | Beaver | 50 hr |
| Mar 10, 11:18 AM EST | River Flood Warning | PBZ | Fayette, Washington, Westmoreland | 11 hr |
| Mar 10, 11:18 AM EST | River Flood Warning | PBZ | Allegheny, Washington, Westmoreland | 11 hr |
| Mar 10, 11:18 AM EST | River Flood Warning | PBZ | Allegheny | 11 hr |
| Mar 10, 11:35 AM EST | River Flood Warning | CTP | Dauphin, Juniata, Northumberland, Perry, Union | 64 hr |
| Mar 10, 11:35 AM EST | River Flood Warning | CTP | Cumberland, Dauphin, Juniata, Lancaster, Northumberland, Perry and 2 more | 3 days |
| Mar 10, 11:35 AM EST | River Flood Warning | CTP | Lancaster, York | 4 days |
| Mar 10, 1:29 PM EST | River Flood Warning | CTP | Perry | 27 hr |
| Mar 10, 4:55 PM EST | River Flood Warning | PHI | Chester | 17 hr |
| Mar 10, 8:02 PM EST | River Flood Warning | PHI | Chester, Delaware | 22 hr |
| Mar 10, 8:06 PM EST | River Flood Warning | CTP | Warren | 4 days |
| Mar 10, 8:52 PM EST | River Flood Warning | BGM | Bradford | 13 hr |
| Mar 10, 8:58 PM EST | River Flood Warning | BGM | Susquehanna | 3 days |
| Mar 10, 8:58 PM EST | River Flood Warning | BGM | Bradford | 4 days |
| Mar 10, 8:58 PM EST | River Flood Warning | BGM | Wyoming | 24 hr |
| Mar 10, 9:31 PM EST | River Flood Warning | PHI | Berks, Montgomery | 23 hr |
| Mar 10, 9:31 PM EST | River Flood Warning | PHI | Berks | 23 hr |
| Mar 10, 9:31 PM EST | River Flood Warning | PHI | Montgomery | 30 hr |
| Mar 10, 9:31 PM EST | River Flood Warning | PHI | Chester, Montgomery, Philadelphia | 12 hr |
| Mar 10, 9:31 PM EST | River Flood Warning | PHI | Montgomery, Philadelphia | 18 hr |
| Mar 10, 9:35 PM EST | River Flood Warning | PHI | Bucks | 14 hr |
| Mar 10, 9:37 PM EST | River Flood Warning | PHI | Monroe | 28 hr |
| Mar 10, 9:37 PM EST | River Flood Warning | PHI | Monroe | 12 hr |
| Mar 10, 9:41 PM EST | River Flood Warning | PHI | Montgomery | 12 hr |
| Mar 10, 9:43 PM EST | River Flood Warning | PHI | Lehigh, Northampton | 23 hr |
| Mar 10, 10:10 PM EST | River Flood Warning | PHI | Delaware | 3 hr |
| Mar 10, 10:12 PM EST | River Flood Warning | PHI | Carbon | 13 hr |
| Mar 11, 12:22 AM EST | River Flood Warning | CTP | Blair, Huntingdon | 10 hr |
| Mar 11, 1:12 AM EST | River Flood Warning | CTP | Clinton | 20 hr |
| Mar 11, 2:56 AM EST | River Flood Warning | PHI | Lehigh, Northampton | 12 hr |
| Mar 11, 3:17 AM EST | River Flood Warning | PHI | Monroe, Northampton | 31 hr |
| Mar 11, 3:17 AM EST | River Flood Warning | PHI | Northampton | 40 hr |
| Mar 11, 3:17 AM EST | River Flood Warning | PHI | Bucks | 40 hr |
| Mar 11, 3:17 AM EST | River Flood Warning | PHI | Bucks | 38 hr |
| Mar 11, 3:17 AM EST | River Flood Warning | PHI | Bucks | 38 hr |
| Mar 11, 3:17 AM EST | River Flood Warning | PHI | Bucks | 31 hr |
| Mar 11, 3:17 AM EST | River Flood Warning | PHI | Bucks | 38 hr |
| Mar 11, 4:27 AM EST | River Flood Warning | CTP | Northumberland, Union | 35 hr |
| Mar 11, 4:27 AM EST | River Flood Warning | CTP | Northumberland, Union | 37 hr |
| Mar 11, 4:27 AM EST | River Flood Warning | PBZ | Clarion, Forest, Jefferson | 38 hr |
| Mar 11, 4:58 AM EST | River Flood Warning | BGM | Bradford | 39 hr |
| Mar 11, 4:58 AM EST | River Flood Warning | BGM | Wyoming | 46 hr |
| Mar 11, 4:58 AM EST | River Flood Warning | BGM | Luzerne | 56 hr |
| Mar 11, 7:35 AM EST | River Flood Warning | CTP | Lycoming | 27 hr |
| Mar 11, 7:35 AM EST | River Flood Warning | CTP | Lycoming, Northumberland, Union | 27 hr |
| Mar 11, 10:02 AM EST | River Flood Warning | CTP | Lycoming | 6 hr |
| Mar 11, 10:03 AM EST | River Flood Warning | PBZ | Allegheny | 21 hr |
| Mar 11, 3:42 PM EST | River Flood Warning | BGM | Wayne | 15 hr |
| Mar 11, 3:42 PM EST | River Flood Warning | BGM | Pike | 15 hr |
| Mar 11, 5:47 PM EST | River Flood Warning | PHI | Monroe | 13 hr |
| Mar 18, 10:37 PM EDT | River Flood Warning | BGM | Bradford | 41 hr |
| Mar 21, 9:58 AM EDT | River Flood Warning | BGM | Bradford | 12 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Allegheny County15
- Dauphin County8
- Bucks County8
- Bradford County7
- Union County6
- Monroe County6
- Northampton County6
- Northumberland County6
- Clarion County5
- York County5
- Montgomery County5
- Westmoreland County4
- Wyoming County4
- Cumberland County4
- Lebanon County4
- Lycoming County4
- Forest County3
- Jefferson County3
- Snyder County3
- Lancaster County3
- Huntingdon County3
- Perry County3
- Chester County3
- Clinton County2
- Susquehanna County2
- Centre County2
- Luzerne County2
- Schuylkill County2
- Columbia County2
- Blair County2
- Beaver County2
- Washington County2
- Juniata County2
- Delaware County2
- Berks County2
- Philadelphia County2
- Lehigh County2
- Elk County1
- Crawford County1
- Montour County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20102012
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.