River Flood Advisories in Pennsylvania
125 river 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 river flood advisories reaches back to 2005.
River Flood Advisories by county
Each county as a circle sized by its count since 1986. Tap one for its archive.
- River Flood Advisories
- 125
- Busiest year
- 201113 river flood advisories
- Average year
- 6over 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.
The latest river flood advisories
The most recent on file, newest first.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 3, 8:38 PM EDT | River Flood Advisory | PBZ | Allegheny | 7 hr |
| May 27, 3:49 PM EDT | River Flood Advisory | PBZ | Allegheny | 19 hr |
| Apr 2, 10:34 AM EDT | River Flood Advisory | PBZ | Allegheny | 11 hr |
| Mar 27, 4:19 AM EDT | River Flood Advisory | PBZ | Allegheny | 31 hr |
| Mar 11, 11:02 AM EDT | River Flood Advisory | PBZ | Allegheny | 25 hr |
| Feb 20, 1:53 PM EST | River Flood Advisory | PBZ | Allegheny | 29 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.