09/12/2026
EVENT: Flash Flood Warning ALERT: FFWPBZ The National Weather Service in Pittsburgh has issued a * Flash Flood Warning for... Southeastern Allegheny County in southwestern Pennsylvania... East Central Washington County in southwestern Pennsylvania... West Central Westmoreland County in southwestern Pennsylvania... * Until 700 PM EDT. * At 355 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 0.5 and 1 inch of rain has fallen. The expected rainfall rate is 0.75 to 1.5 inches in 1 hour. 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, Monroeville, McKeesport, Plum, West Mifflin, Baldwin, Murrysville, Wilkinsburg, Whitehall, Munhall, Jefferson Hills, North Versailles, Brentwood, Swissvale, Dormont, Castle Shannon and Pleasant Hills. INSTRUCTIONS: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. TARGET AREA: Allegheny, PA; Washington, PA; Westmoreland, PA