Pittsburgh Area Under Flash Flood Warning; Urban Streams Rising

Date: 2021-09-01 12:20:47

The aftermath of Hurricane Ida hit southwestern Pennsylvania with a wallop Wednesday morning.

The Pittsburgh office of the National Weather Service implemented a flash flood warning for much of the region, including Allegheny, northwestern Washington, northwestern Westmoreland, southern Armstrong, southeastern Butler, and southeastern Beaver counties, until 12:15 p.m.

The NWS issued an emergency alert advising against travel “unless you are fleeing an area subject to flooding or under an evacuation order.” The weather service also warned that urban streams were rapidly rising.

Roads were flooded or blocked by downed trees across the area. PennDOT reported that portions of Route 51 and Route 50 were closed, as well as Freeport Road in Blawnox.

Pittsburgh Public Safety reported that “numerous water rescues are being conducted” and that the flood gates on Washington Boulevard — always a dangerous spot during severe wet weather — were activated.

The U.S. Army Corps of Engineers warned in a press release that the Point was forecast to flood Thursday afternoon and that “during this high-water event, the Monongahela Wharf, 10th Street bypass and parkway ‘bathtub’ are anticipated to be out of service from Wednesday through Friday afternoon.”

The Army Corp is also performing controlled releases at multiple reservoirs in the area to mitigate flooding.

Duquesne Light is reporting that more than 800 people are without power.

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