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Weather service issues warning, updates flood projections
Friday, March 12, 2010

The National Weather Service today issued a flood warning for the Youghiogheny River at Sutersville, affecting Allegheny and Westmoreland counties.

The Point in Downtown Pittsburgh remains under a flood advisory, with the latest projected crest at 27.4 feet at 2 p.m. on Sunday. That is more than two feet above flood stage and would close the Parkway East and 10th Street Bypass as well as flood low-lying homes and businesses along the rivers.

At 11 a.m., the river stage at the Point was 17.48 feet. The Mon Wharf, which is closed for parking indefinitely, floods at 18 feet. The latest weather service projections have the bypass flooding by late Saturday afternoon and the Parkway "bathtub" submerged early Sunday.

The flood of January 1996 produced a crest of 34.6 feet at the Point.

The weather service has issued flood warnings for Seward on the Conemaugh River and for Confluence, Connellsville and now Sutersville on the Yough. A crest of 15.2 feet is expected at Confluence, 3.2 feet above flood stage, early Sunday. A crest of 16.9 feet, nearly five feet above flood stage, is expected at Connellsville around 1 a.m. Sunday.

At Sutersville, which sits on a bend in the Yough across from Allegheny County, the flood warning extends from Saturday afternoon to late Sunday. The river is expected to crest at 22.9 feet by Sunday morning, nearly three feet above flood stage.

The weather service said the Monongahela River is expected to crest above flood stage at Braddock, Elizabeth, Charleroi, Maxwell Lock and Dam, Grays Landing and Point Marion between 8 a.m. and 2 p.m. on Sunday. Flood crests are forecast along the Ohio River into West Virginia and Ohio on Monday.

Rainfall for the past day ranged from 0.1 to 0.5 inches and for the coming 24 hours is expected to be 0.5 to 2 inches, the weather service said.

More details in tomorrow's Pittsburgh Post-Gazette.

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First published on March 12, 2010 at 12:58 pm