Areal Flood Advisories in Pennsylvania
4,925 areal flood advisories since 1986. 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 since 1986. Tap one for its archive.
- Areal Flood Advisories
- 4,925
- Busiest year
- 2018623 areal flood advisories
- Average year
- 246over 20 years on file
Over time
By year
Before late 2005 the archive holds only tornado, severe thunderstorm, flash flood and marine warnings, and from 1997 SPC's watches, so the jump that year is the archive widening, not the weather.
By month of the year
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Bucks County578
- Montgomery County541
- Chester County472
- Berks County397
- Philadelphia County380
- Northampton County370
- Delaware County359
- York County357
- Lehigh County355
- Lancaster County327
- Monroe County307
- Dauphin County267
- Cumberland County261
- Lebanon County245
- Carbon County239
- Adams County236
- Lycoming County235
- Schuylkill County225
- Bedford County219
- Northumberland County218
- Luzerne County216
- Allegheny County215
- Somerset County215
- Wayne County207
- Bradford County204
- Susquehanna County202
- Lackawanna County191
- Westmoreland County190
- Huntingdon County189
- Columbia County187
- Franklin County187
- Perry County186
- Cambria County180
- Centre County171
- Blair County164
- Montour County164
- Sullivan County159
- Union County155
- Pike County153
- Wyoming County151
27 more counties
- Clearfield County147
- Snyder County143
- Tioga County142
- Crawford County141
- Clinton County138
- Juniata County136
- Washington County127
- McKean County124
- Fulton County123
- Erie County121
- Mifflin County121
- Potter County117
- Butler County114
- Warren County106
- Armstrong County97
- Elk County96
- Fayette County90
- Beaver County89
- Indiana County86
- Cameron County81
- Mercer County60
- Lawrence County58
- Venango County53
- Jefferson County51
- Clarion County48
- Greene County46
- Forest County31
The latest areal flood advisories
The most recent on file, newest first.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 16, 6:43 AM EDT | Areal Flood Advisory | CLE | Crawford, Erie | 3 hr |
| Sep 9, 5:07 PM EDT | Areal Flood Advisory | CLE | Erie | 3 hr |
| Sep 3, 4:53 PM EDT | Areal Flood Advisory | CLE | Crawford | 5 hr |
| Sep 2, 10:19 PM EDT | Areal Flood Advisory | CLE | Erie | 79 min |
| Sep 2, 10:13 AM EDT | Areal Flood Advisory | CLE | Crawford, Erie | 82 min |
| Sep 2, 9:49 AM EDT | Areal Flood Advisory | CLE | Erie | 106 min |
| Sep 2, 7:12 AM EDT | Areal Flood Advisory | CLE | Erie | 3 hr |
| Aug 16, 5:22 PM EDT | Areal Flood Advisory | CLE | Crawford | 4 hr |
| Aug 11, 7:25 PM EDT | Areal Flood Advisory | CLE | Crawford | 2 hr |
| Aug 8, 7:56 PM EDT | Areal Flood Advisory | CLE | Crawford, Erie | 3 hr |
| Jul 28, 8:24 AM EDT | Areal Flood Advisory | CLE | Erie | 97 min |
| Jul 18, 6:18 PM EDT | Areal Flood Advisory | CLE | Crawford | 3 hr |
Nearby
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.