Second round of storms brings flood warning in Allegheny, Beaver counties
Thunderstorms rolled through the region on Tuesday afternoon and evening, bringing strong winds, lightning, hail and heavy rains that caused minor flooding and brought down trees and power lines.
More of the same is expected on Wednesday with the National Weather Service forecasting showers and thunderstorms between noon and 9 p.m. with at least a quarter-inch or more of rain expected both in the afternoon and evening.
There is a chance of showers and thunderstorms after noon on Thursday, the National Weather Service said.
Pittsburgh police blocked off several streets in Sheraden, Chartiers City and Windgap after the second round of storms started about 8:15 p.m., downing trees and power lines. There were scattered reports of basement flooding.
The National Weather Service reported a large tree down in Ross, blocking part of Peoples Road, and motorists reported a retaining wall collapsed along the Parkway East near the Bates Street entrance ramp.
The American Red Cross was called to assist two families because of storm damage. One was a family on Frank Street in McKees Rocks where a chimney collapse made it impossible to stay, a spokeswoman for the Red Cross said. The second was on Balsam Street in Ross where flooding forced a family out of their home, the spokeswoman said.
The heavy rain — more than an inch in some areas — prompted the National Weather Service to issue a flood warning for Allegheny and Beaver counties that was to remain in effect much of the night. There were reports of high water and debris on roadways in several areas.
A portion of Mayview Road in South Fayette was closed because of flooding during the afternoon storm but was reopened when the high water receded, Allegheny County spokeswoman Amie Downs said.
The National Weather Service received reports of flooded streets — with water three feet deep in some areas — and basements in Derry and Latrobe in Westmoreland County.
Michael Hasch is a staff writer for Trib Total Media. Staff writer Megan Henney contributed to this report.
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