NWS Pittsburgh PAFF.W 0131September 3, 2026
Flash Flood Warning: Allegheny, Armstrong, Beaver and 5 more, PA and WV
The National Weather Service office in Pittsburgh issued a flash flood warning for Allegheny, Armstrong, Beaver and 5 more in Pennsylvania, West Virginia, which was in force until 9:15 p.m. local time on September 3. It was the 131st flash flood warning the NWS office in Pittsburgh issued in 2026. Pennsylvania had 43 flash flood warnings in September 2026, against 12 in an average September of 2008-2025 (Pennsylvania's flash flood warnings by year).
ExpiredWarning
In force for 3.1 hours; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, Pittsburgh PA
- Area
- Allegheny, Armstrong, Beaver and 5 more
- State
- Pennsylvania
- Level
- Warning
- Issued
- 6:11 p.m. EDT, September 3, 2026
- Expires
- 9:15 p.m. EDT, September 3, 2026
- CAP severity, certainty, urgency
- Severe, Likely, Immediate
- VTEC event
- KPBZ FF.W 0131
- Official source
- National Weather Service: the notice at its source
Flash Flood Warnings in Pennsylvania since 2008Every warning type in Pennsylvania
Source: National Weather Service: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.
The notice as issued
FFWPBZ The National Weather Service in Pittsburgh has issued a * Flash Flood Warning for... Allegheny County in southwestern Pennsylvania... Northern Washington County in southwestern Pennsylvania... Northwestern Westmoreland County in southwestern Pennsylvania... Southwestern Armstrong County in west central Pennsylvania... Southeastern Butler County in west central Pennsylvania... Southern Beaver County in western Pennsylvania... Brooke County in northern West Virginia... Hancock County in northern West Virginia... * Until 915 PM EDT. * At 611 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 0.5 and 1 inch of rain has fallen. Additional rainfall amounts of 1 to 1.5 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Pittsburgh, Penn Hills, Mount Lebanon, Bethel Park, Ross Township, McCandless Township, Monroeville, Moon Township, McMurray, Weirton, McKeesport, Franklin Park, Aliquippa, Canonsburg, Gastonville, Shaler Township, Plum, West Mifflin and North Side Pittsburgh.
What the agency told people to do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Source: National Weather Service: the notice at its source. The text is the agency's, unedited. A U.S. Government work, in the public domain.
The record around this notice
- Flash Flood Warnings in Pennsylvania since 2008111 a year
- Every warning type in Pennsylvania
- Flash Flood Warning: what it means, and the states that get the most3,924 a year
- NWS notices, September 20262,824 in the month
- The latest from the National Weather Service
- Warning, watch or advisory: the three NWS levels