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July 15, 2015 / Events

When Hurricane Agnes slammed soggy Pittsburgh

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In June 1972, a band of spectators moved to the railing to view the rising Allegheny River as it advanced on downtown, covering the 10th Street Bypass at left in this picture and a ramp leading to the Fort Duquesne Bridge. (Stewart Love/The Pittsburgh Press)
In June 1972, a band of spectators moved to the railing to view the rising Allegheny River as it advanced on downtown, covering the 10th Street Bypass at left in this picture and a ramp leading to the Fort Duquesne Bridge. (Stewart Love/The Pittsburgh Press)
North Shore Park on the North Side was for swimmers instead of strollers as high water from the Allegheny River submerged newly planted landscaping and ornamental light standards along its banks. (Albert M. Herrmann Jr./The Pittsburgh Press)
North Shore Park on the North Side was for swimmers instead of strollers as high water from the Allegheny River submerged newly planted landscaping and ornamental light standards along its banks. (Albert M. Herrmann Jr./The Pittsburgh Press)
Sandbags were placed at the entrance to the Gateway Parking Garage on Fort Duquesne Boulevard. In the background are the offices of Group W Westinghouse in Gateway Center.
Sandbags were placed at the entrance to the Gateway Parking Garage on Fort Duquesne Boulevard. In the background are the offices of Group W Westinghouse in Gateway Center.
Sandbags were placed outside the headquarters of The Pittsburgh Press in June of 1972. (Howard R. Moyer/The Pittsburgh Press)
Sandbags were placed outside the headquarters of The Pittsburgh Press in June of 1972. (Howard R. Moyer/The Pittsburgh Press)
Pittsburgh Mayor Pete Flaherty, left, and Allegheny County District Attorney Robert E. Colville stand atop the Seventh Street Bridge where barges snagged after Hurricane Agnes flooded Pittsburgh in June of 1972. (Ross A. Catanza/The Pittsburgh Press)
Pittsburgh Mayor Pete Flaherty, left, and Allegheny County District Attorney Robert E. Colville stand atop the Seventh Street Bridge where barges snagged after Hurricane Agnes flooded Pittsburgh in June of 1972. (Ross A. Catanza/The Pittsburgh Press)
This view of Pittsburgh’s Point shows water surrounding the Fort Pitt Blockhouse as the swollen Monongahela River races under the Fort Pitt Bridge. (Dale Gleason/The Pittsburgh Press)
This view of Pittsburgh’s Point shows water surrounding the Fort Pitt Blockhouse as the swollen Monongahela River races under the Fort Pitt Bridge. (Dale Gleason/The Pittsburgh Press)
Buffalo Creek, which normally runs under the railroad tracks at the right in this picture and into the Allegheny River, was running all through Freeport when this photo was taken at 5:30 a.m. on Saturday, June 24, 1972. By then, flood waters had receded by about two feet.
Buffalo Creek, which normally runs under the railroad tracks at the right in this picture and into the Allegheny River, was running all through Freeport when this photo was taken at 5:30 a.m. on Saturday, June 24, 1972. By then, flood waters had receded by about two feet.
Hurricane Agnes turned River Avenue on the lower North Side into an actual river so that men used a rowboat to maneuver in June of 1972. (Albert M. Herrmann Jr./The Pittsburgh Press)
Hurricane Agnes turned River Avenue on the lower North Side into an actual river so that men used a rowboat to maneuver in June of 1972. (Albert M. Herrmann Jr./The Pittsburgh Press)

​When a storm named Agnes arrived in Pittsburgh in June 1972, she was the first tropical storm of the season and drenched this region with more than eight inches of rain.

Forty three years ago this summer, mountaineers in West Virginia lost their shacks and affluent people in New York’s affluent Westchester County experienced damage to their fancy homes because of the wettest tropical cyclone on record in Pennsylvania’s history.

On June 24, 1972, President Richard Nixon declared five states disaster areas: Pennsylvania, Maryland, Florida, Virginia and New York.

Two weeks before Agnes blew into town, a series of rains swept across New York and Pennsylvania, completely saturating the ground so that it was unable to absorb additional water.

In Pennsylvania, the storm left 220,000 people homeless. Damage and death toll were the highest in Pennsylvania, with more than $2 billion in losses and 50 fatalities.

Harrisburg was inundated; 8,500 people there had to leave their homes.

In Wilkes-Barre, 45,000 people went to emergency shelters; the community’s water supply was contaminated and it lost phone service due to the raging Susquehanna River.

The Ohio River swamped the city of Wheeling, W.Va.

But for the construction of 10 flood control dams that ring Pittsburgh, the U.S. Army Corps of Engineers estimated, the waters that inundated the Golden Triangle would have been two feet higher than that of the famous March 1936 flood on St. Patrick’s Day.

Hurricane Agnes inflicted $45 million in damage on Pittsburgh. If the flood control dams had not been built, the Corps of Engineers, estimated, damage would have soared past the $1 billion mark. Erie was the only Pennsylvania county to be spared.

Pennsylvania’s climate, location and terrain all played a role. A wet weather state subject to sudden and violent storms, Pennsylvania typically receives 40 thunderstorm days each year. The state also lies in a hurricane pathway and its steep valleys channel runoff from storms.

Taking into account damage in all five states, Hurricane Agnes killed 122 people, destroyed 5,000 homes and damaged 100,000 more, and left 400,000 people homeless, according to Gen. Richard H. Groves, a corps engineer for the North Atlantic Division who testified before Congress.

Half of Pennsylvania’s National Guard was mobilized to do relief work and used helicopters and boats to rescue people.

Gov. Milton Shapp knew all about the flood because the Georgian mansion he occupied, which is set on land overlooking the Susquehanna River, had two feet of water in it, covering the home’s first floor.

*A note on the images: The Pittsburgh Press librarians were known to fold oversized prints in half to fit them into standard-sized archival envelopes. Thus, many of the paper’s beautiful large photo prints are permanently creased, including many from Hurricane Agnes.

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Marylynne Pitz

Marylynne is a feature writer who has more fun looking at old Pittsburgh newspaper images than the law allows.

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