Alert archive / Pennsylvania / Areal Flood Advisories / 2021
Areal Flood Advisories in Pennsylvania, August 2021
106 areal flood advisories in August 2021. 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 areal flood advisories reaches back to 2005.
Areal Flood Advisories by county
Each county as a circle sized by its count in August 2021. Tap one for its archive.
- Areal Flood Advisories
- 106
- Busiest day
- August 27, 202118 areal flood advisories
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 |
|---|---|---|---|---|
| Aug 7, 5:34 PM EDT | Areal Flood Advisory | PBZ | Allegheny, Westmoreland | 31 min |
| Aug 9, 4:36 PM EDT | Areal Flood Advisory | PHI | Chester, Delaware | 104 min |
| Aug 9, 5:12 PM EDT | Areal Flood Advisory | PHI | Chester, Delaware | 85 min |
| Aug 9, 5:40 PM EDT | Areal Flood Advisory | PHI | Philadelphia | 82 min |
| Aug 9, 6:29 PM EDT | Areal Flood Advisory | PHI | Berks, Montgomery | 70 min |
| Aug 9, 10:10 PM EDT | Areal Flood Advisory | PHI | Carbon | 3 hr |
| Aug 10, 4:18 PM EDT | Areal Flood Advisory | PHI | Berks, Carbon, Lehigh | 3 hr |
| Aug 10, 7:33 PM EDT | Areal Flood Advisory | CTP | Lancaster | 2 hr |
| Aug 10, 8:43 PM EDT | Areal Flood Advisory | PHI | Delaware, Montgomery, Philadelphia | 2 hr |
| Aug 11, 4:52 PM EDT | Areal Flood Advisory | CTP | Dauphin | 2 hr |
| Aug 11, 5:20 PM EDT | Areal Flood Advisory | PHI | Carbon, Monroe | 57 min |
| Aug 11, 5:44 PM EDT | Areal Flood Advisory | CTP | Lancaster, Lebanon | 2 hr |
| Aug 11, 6:25 PM EDT | Areal Flood Advisory | CTP | Cumberland, Dauphin, York | 95 min |
| Aug 11, 6:50 PM EDT | Areal Flood Advisory | PHI | Monroe, Northampton | 3 hr |
| Aug 11, 7:04 PM EDT | Areal Flood Advisory | PHI | Berks, Bucks, Chester, Delaware, Lehigh, Montgomery and 2 more | 2 hr |
| Aug 12, 6:25 PM EDT | Areal Flood Advisory | CTP | Clearfield, Elk | 2 hr |
| Aug 12, 6:31 PM EDT | Areal Flood Advisory | CLE | Crawford | 2 hr |
| Aug 13, 3:56 PM EDT | Areal Flood Advisory | CTP | Adams, Cumberland, Dauphin, Perry, York | 2 hr |
| Aug 18, 9:25 AM EDT | Areal Flood Advisory | PBZ | Allegheny, Beaver, Washington, Westmoreland | 5 hr |
| Aug 18, 10:25 AM EDT | Areal Flood Advisory | CTP | Bedford | 3 hr |
| Aug 18, 11:33 AM EDT | Areal Flood Advisory | CTP | Blair, Cambria | 3 hr |
| Aug 18, 12:04 PM EDT | Areal Flood Advisory | CTP | Bedford | 2 hr |
| Aug 18, 2:56 PM EDT | Areal Flood Advisory | PBZ | Armstrong, Indiana, Westmoreland | 109 min |
| Aug 18, 4:30 PM EDT | Areal Flood Advisory | CTP | Juniata, Perry, Snyder | 4 hr |
| Aug 18, 4:42 PM EDT | Areal Flood Advisory | CTP | Fulton, Huntingdon | 2 hr |
| Aug 18, 4:48 PM EDT | Areal Flood Advisory | CTP | Cameron, Clinton, Lycoming, Potter, Tioga | 5 hr |
| Aug 18, 6:37 PM EDT | Areal Flood Advisory | CTP | Adams, Cumberland, Franklin, York | 2 hr |
| Aug 18, 6:45 PM EDT | Areal Flood Advisory | BGM | Bradford | 2 hr |
| Aug 18, 7:23 PM EDT | Areal Flood Advisory | CTP | Columbia, Sullivan | 2 hr |
| Aug 18, 7:57 PM EDT | Areal Flood Advisory | BGM | Lackawanna, Luzerne | 3 hr |
| Aug 18, 8:27 PM EDT | Areal Flood Advisory | CTP | Lancaster, Lebanon | 3 hr |
| Aug 18, 8:48 PM EDT | Areal Flood Advisory | CTP | Tioga | 76 min |
| Aug 18, 8:53 PM EDT | Areal Flood Advisory | PHI | Berks | 3 hr |
| Aug 18, 9:10 PM EDT | Areal Flood Advisory | PHI | Lehigh, Monroe, Northampton | 3 hr |
| Aug 18, 9:35 PM EDT | Areal Flood Advisory | PHI | Berks, Lehigh | 3 hr |
| Aug 18, 9:45 PM EDT | Areal Flood Advisory | PHI | Berks | 3 hr |
| Aug 18, 10:53 PM EDT | Areal Flood Advisory | CTP | Lancaster, York | 3 hr |
| Aug 18, 11:03 PM EDT | Areal Flood Advisory | BGM | Lackawanna, Pike, Susquehanna, Wayne | 117 min |
| Aug 18, 11:19 PM EDT | Areal Flood Advisory | PHI | Bucks, Lehigh, Northampton | 3 hr |
| Aug 19, 12:41 AM EDT | Areal Flood Advisory | BGM | Pike, Wayne | 2 hr |
| Aug 19, 2:05 AM EDT | Areal Flood Advisory | PHI | Bucks | 3 hr |
| Aug 21, 3:19 PM EDT | Areal Flood Advisory | CTP | Bedford | 2 hr |
| Aug 21, 5:26 PM EDT | Areal Flood Advisory | CLE | Crawford, Erie | 3 hr |
| Aug 21, 6:27 PM EDT | Areal Flood Advisory | CTP | Somerset | 2 hr |
| Aug 21, 11:49 PM EDT | Areal Flood Advisory | PHI | Chester | 3 hr |
| Aug 22, 12:26 AM EDT | Areal Flood Advisory | CTP | Lancaster | 2 hr |
| Aug 22, 5:47 AM EDT | Areal Flood Advisory | CTP | Dauphin, Lancaster, Lebanon | 118 min |
| Aug 22, 8:55 AM EDT | Areal Flood Advisory | CTP | Lancaster | 2 hr |
| Aug 22, 10:19 AM EDT | Areal Flood Advisory | CTP | Lancaster, York | 2 hr |
| Aug 22, 2:11 PM EDT | Areal Flood Advisory | CTP | Lancaster | 2 hr |
| Aug 22, 2:18 PM EDT | Areal Flood Advisory | CTP | York | 2 hr |
| Aug 22, 5:37 PM EDT | Areal Flood Advisory | BGM | Pike, Wayne | 3 hr |
| Aug 22, 8:11 PM EDT | Areal Flood Advisory | PHI | Carbon, Monroe, Northampton | 6 hr |
| Aug 22, 8:27 PM EDT | Areal Flood Advisory | BGM | Susquehanna | 8 hr |
| Aug 22, 8:33 PM EDT | Areal Flood Advisory | BGM | Pike, Wayne | 6 hr |
| Aug 22, 9:40 PM EDT | Areal Flood Advisory | BGM | Luzerne, Susquehanna, Wyoming | 3 hr |
| Aug 22, 10:34 PM EDT | Areal Flood Advisory | PHI | Carbon, Lehigh, Northampton | 3 hr |
| Aug 22, 10:46 PM EDT | Areal Flood Advisory | BGM | Bradford | 2 hr |
| Aug 22, 11:18 PM EDT | Areal Flood Advisory | BGM | Luzerne, Wyoming | 5 hr |
| Aug 22, 11:42 PM EDT | Areal Flood Advisory | PHI | Berks | 3 hr |
| Aug 23, 12:25 AM EDT | Areal Flood Advisory | CTP | Schuylkill | 2 hr |
| Aug 23, 4:34 AM EDT | Areal Flood Advisory | BGM | Susquehanna, Wyoming | 67 min |
| Aug 25, 3:34 PM EDT | Areal Flood Advisory | PBZ | Mercer | 116 min |
| Aug 25, 4:27 PM EDT | Areal Flood Advisory | CLE | Crawford | 3 hr |
| Aug 25, 4:50 PM EDT | Areal Flood Advisory | PBZ | Allegheny, Butler | 27 min |
| Aug 25, 5:25 PM EDT | Areal Flood Advisory | PBZ | Butler | 27 min |
| Aug 25, 5:29 PM EDT | Areal Flood Advisory | PBZ | Allegheny, Washington | 37 min |
| Aug 26, 3:55 PM EDT | Areal Flood Advisory | BGM | Luzerne, Wyoming | 2 hr |
| Aug 26, 6:24 PM EDT | Areal Flood Advisory | PHI | Carbon | 3 hr |
| Aug 26, 7:29 PM EDT | Areal Flood Advisory | PHI | Carbon | 2 hr |
| Aug 27, 1:20 PM EDT | Areal Flood Advisory | PHI | Carbon, Monroe | 2 hr |
| Aug 27, 1:33 PM EDT | Areal Flood Advisory | PHI | Bucks, Delaware, Philadelphia | 83 min |
| Aug 27, 2:13 PM EDT | Areal Flood Advisory | CTP | Potter | 2 hr |
| Aug 27, 2:18 PM EDT | Areal Flood Advisory | PHI | Chester | 93 min |
| Aug 27, 2:33 PM EDT | Areal Flood Advisory | PHI | Carbon, Monroe, Northampton | 109 min |
| Aug 27, 3:09 PM EDT | Areal Flood Advisory | BGM | Lackawanna, Wayne | 3 hr |
| Aug 27, 4:29 PM EDT | Areal Flood Advisory | CTP | Tioga | 2 hr |
| Aug 27, 4:34 PM EDT | Areal Flood Advisory | CTP | Columbia, Northumberland, Schuylkill | 2 hr |
| Aug 27, 4:44 PM EDT | Areal Flood Advisory | CLE | Crawford, Erie | 3 hr |
| Aug 27, 4:50 PM EDT | Areal Flood Advisory | CTP | Lancaster, York | 115 min |
| Aug 27, 5:29 PM EDT | Areal Flood Advisory | PHI | Bucks, Montgomery | 3 hr |
| Aug 27, 5:38 PM EDT | Areal Flood Advisory | CTP | Dauphin, Lebanon | 2 hr |
| Aug 27, 5:46 PM EDT | Areal Flood Advisory | CTP | Lancaster, Lebanon | 80 min |
| Aug 27, 6:18 PM EDT | Areal Flood Advisory | CTP | Dauphin, Lebanon, Schuylkill | 2 hr |
| Aug 27, 6:27 PM EDT | Areal Flood Advisory | BGM | Susquehanna, Wayne | 2 hr |
| Aug 27, 6:29 PM EDT | Areal Flood Advisory | PHI | Berks | 3 hr |
| Aug 27, 6:53 PM EDT | Areal Flood Advisory | BGM | Susquehanna | 2 hr |
| Aug 27, 7:57 PM EDT | Areal Flood Advisory | BGM | Bradford, Susquehanna, Wyoming | 2 hr |
| Aug 27, 8:44 PM EDT | Areal Flood Advisory | CTP | Sullivan | 3 hr |
| Aug 27, 8:54 PM EDT | Areal Flood Advisory | CTP | Lycoming, Sullivan | 2 hr |
| Aug 28, 12:57 AM EDT | Areal Flood Advisory | CTP | Lancaster, Lebanon | 2 hr |
| Aug 28, 2:47 AM EDT | Areal Flood Advisory | PHI | Berks | 2 hr |
| Aug 28, 3:06 AM EDT | Areal Flood Advisory | PHI | Chester, Delaware, Montgomery, Philadelphia | 2 hr |
| Aug 28, 8:07 AM EDT | Areal Flood Advisory | PHI | Bucks, Montgomery, Northampton | 3 hr |
| Aug 28, 1:50 PM EDT | Areal Flood Advisory | PBZ | Allegheny, Westmoreland | 115 min |
| Aug 28, 2:53 PM EDT | Areal Flood Advisory | CTP | Bedford | 83 min |
| Aug 28, 5:29 PM EDT | Areal Flood Advisory | CTP | Bedford, Cambria, Somerset | 44 min |
| Aug 28, 5:56 PM EDT | Areal Flood Advisory | PBZ | Clarion, Venango | 2 hr |
| Aug 29, 1:11 PM EDT | Areal Flood Advisory | CLE | Crawford, Erie | 5 hr |
| Aug 29, 6:02 PM EDT | Areal Flood Advisory | CTP | Somerset | 58 min |
| Aug 29, 6:22 PM EDT | Areal Flood Advisory | PBZ | Armstrong, Indiana, Jefferson | 113 min |
| Aug 30, 8:24 PM EDT | Areal Flood Advisory | BGM | Bradford, Susquehanna, Wyoming | 67 min |
| Aug 31, 12:25 PM EDT | Areal Flood Advisory | PBZ | Westmoreland | 2 hr |
| Aug 31, 2:41 PM EDT | Areal Flood Advisory | PBZ | Allegheny, Armstrong, Beaver, Butler, Westmoreland | 2 hr |
| Aug 31, 3:55 PM EDT | Areal Flood Advisory | PBZ | Allegheny, Washington, Westmoreland | 2 hr |
| Aug 31, 5:05 PM EDT | Areal Flood Advisory | PBZ | Washington | 115 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Lancaster County12
- Berks County9
- Carbon County9
- Northampton County8
- Susquehanna County8
- Allegheny County7
- Westmoreland County7
- Lebanon County7
- York County7
- Chester County6
- Delaware County6
- Montgomery County6
- Lehigh County6
- Dauphin County6
- Monroe County6
- Bucks County6
- Wayne County6
- Wyoming County6
- Philadelphia County5
- Crawford County5
- Bedford County5
- Washington County4
- Bradford County4
- Luzerne County4
- Pike County4
- Cumberland County3
- Armstrong County3
- Tioga County3
- Sullivan County3
- Lackawanna County3
- Erie County3
- Somerset County3
- Schuylkill County3
- Butler County3
- Adams County2
- Perry County2
- Beaver County2
- Cambria County2
- Indiana County2
- Lycoming County2
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
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.