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NWS Pittsburgh PAFA.W 0050September 12, 2026

Flood Warning: Allegheny and Washington County, PA

The National Weather Service office in Pittsburgh issued a flood warning for Allegheny and Washington County in Pennsylvania, which was in force until 9:45 p.m. local time on September 12. It was the 50th areal flood warning the NWS office in Pittsburgh issued in 2026. Pennsylvania had 18 flood warnings in September 2026, against 18 in an average September of 2008-2025 (Pennsylvania's flood warnings by year).

ExpiredWarning

Issued6:26 p.m. EDT, September 12, 2026
In force6:26 p.m. EDT, September 12, 2026
Expired9:45 p.m. EDT, September 12, 2026

In force for 3.3 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 and Washington County
State
Pennsylvania
Level
Warning
Issued
6:26 p.m. EDT, September 12, 2026
Expires
9:45 p.m. EDT, September 12, 2026
CAP severity, certainty, urgency
Severe, Likely, Expected
VTEC event
KPBZ FA.W 0050
Official source
National Weather Service: the notice at its source

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

* WHAT...Flooding caused by excessive rainfall is occurring. * WHERE...Southwestern Allegheny County in southwestern Pennsylvania... Central Washington County in southwestern Pennsylvania... * WHEN...Until 945 PM EDT. * IMPACTS...Numerous roads remain closed due to flooding. * ADDITIONAL DETAILS... - At 626 PM EDT, emergency management reported flooding in the warned area. Flooding is already occurring. Between 1.5 and 2.5 inches of rain have fallen. - Some locations that will experience flooding include... Mount Lebanon, Bethel Park, McMurray, Washington, Canonsburg, Gastonville, Baldwin, Upper St. Clair, Scott Township, Whitehall, South Park Township, Cecil-Bishop, Jefferson Hills, Castle Shannon, Pleasant Hills, Bridgeville, Wolfdale, McGovern and East Washington. - http://www.weather.gov/safety/flood

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.