Headline:
Flash Flood Warning issued September 12 at 4:28PM EDT until September 12 at 7:00PM EDT by NWS Pittsburgh PA
Event:
Flash Flood Warning
Urgency:
Immediate
Effective:
September 12, 2026 - 1:28pm
Expires:
September 12, 2026 - 4:00pm
Description:
At 428 PM EDT, local law enforcement reported flash flooding across
the warned area. Between 1 and 2 inches of rain have fallen.
Additional rainfall amounts of 1 to 1.5 inches are possible in the
warned area. Flash flooding is already occurring.
HAZARD...Flash flooding caused by heavy rain.
SOURCE...Law enforcement reported.
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, Monroeville, McKeesport,
Plum, West Mifflin, Baldwin, Murrysville, Wilkinsburg, Whitehall,
Munhall, Jefferson Hills, North Versailles, Brentwood, Swissvale,
Dormont, Castle Shannon and Pleasant Hills.
Instruction:
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Area Description:
Allegheny, PA; Washington, PA; Westmoreland, PA
Forcast Office:
NWS Pittsburgh PA
Sender:
w-nws.webmaster@noaa.gov