Alert archive / Pennsylvania / Flash Flood Warnings in 2026
Flash Flood Warning 92, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this flash flood warning at Aug 10, 2026, 12:42 PM EDT for Allegheny County, Westmoreland County, Pennsylvania. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 10, 2026, 12:42 PM EDT (16:42 UTC)
- Expired
- Aug 10, 2026, 3:45 PM EDT
- In force
- 3 hr
- Issued by
- NWS Pittsburgh, PA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Allegheny County, PA, Westmoreland County, PA
The radar
The Pittsburgh radar (KPBZ), 45 km from the middle of the area, began a volume at 16:41 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 10, 10:07 AM EDT | Flood Watch | PBZ | Allegheny, Beaver, Fayette, Greene, Washington, Westmoreland | 41 hr |
| Aug 10, 10:56 AM EDT | Severe Thunderstorm Warning | PBZ | Washington | 55 min |
| Aug 10, 11:58 AM EDT | Flash Flood Warning | PBZ | Allegheny, Washington, Westmoreland | 3 hr |
| Aug 10, 12:06 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Washington, Westmoreland | 54 min |
| Aug 10, 12:48 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene | 57 min |
| Aug 10, 1:03 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Westmoreland | 21 min |
| Aug 10, 4:22 PM EDT | Severe Thunderstorm Warning | PBZ | Greene, Washington | 41 min |
| Aug 10, 9:48 AM EDT | Severe Thunderstorm Warning | PBZ | Carroll, Columbiana | 57 min |
| Aug 10, 9:51 AM EDT | Severe Thunderstorm Warning | PBZ | Carroll, Columbiana, Coshocton, Harrison, Tuscarawas | 54 min |
| Aug 10, 9:59 AM EDT | Severe Thunderstorm Warning | PBZ | Coshocton, Guernsey, Harrison, Muskingum, Noble, Tuscarawas | 61 min |
| Aug 10, 11:28 AM EDT | Severe Thunderstorm Warning | PBZ | Guernsey, Muskingum, Noble | 51 min |
| Aug 10, 11:32 AM EDT | Flash Flood Warning | PBZ | Harrison, Jefferson | 3 hr |
| Aug 10, 4:38 PM EDT | Severe Thunderstorm Warning | PBZ | Belmont, Guernsey, Monroe, Noble | 25 min |
| Aug 10, 1:28 PM EDT | Severe Thunderstorm Warning | PBZ | Preston | 21 min |
Nearby
Flash Flood Warnings in Pennsylvania, 2026Every flash flood warning in 2026
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.