Pennsylvania, 1996

Flooding in Pennsylvania, January 19 to 21, 1996

January 19 to 21, 1996 · NWS PBZ · 5 events in 5 counties and zones

On the Monongahela River near record flooding occurred at all Pennsylvania forecast points, except where record flooding occurred at Lock 2 Braddock. The crest at Lock 2 actually exceeded the crest during the flood of November 1985 by almost a foot.

Where it happened

Every event with a place to put it; 3 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

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The toll

Deaths
0
Injuries
0
Property damage
$13 million
Crop damage
None recorded
Events
5

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS PBZ wrote it up.

On the Monongahela River near record flooding occurred at all Pennsylvania forecast points, except where record flooding occurred at Lock 2 Braddock. The crest at Lock 2 actually exceeded the crest during the flood of November 1985 by almost a foot. This was due to the tremendous contribution made by the Youghiogheny River during this particular flood. The crest at Braddock was 29.1 feet, 7.1 feet above its 22 foot flood stage, at 9 am on the 20th. Damage was extensive along the river.In Greene County, 9 homes, 3 businesses, and 3 trailer courts were affected.In Fayette County, 499 residences, 55 businesses, 4 churches, 1 fire department, 30 roads, 5 bridges, and 4 sewage plants suffered at least some flood damages. This includes damage along the Youghiougheny River. Major property losses were reported in Westmoreland County along the Monongahela, Conemaugh, and Youghiougheny Rivers.In Washington County, over 600 houses and businesses were affected by flooding. Devastating damage occurred in Allegheny County. Damage occurred along the Allegheny, Ohio, Youghiogheny, and Monongahela Rivers. Twenty-two autos were submerged in icy waters on the Allegheny River in Pittsburgh. Many pleasure boats and barges broke their moorings and drifted downriver and some fell over Lock and Dams or broke up on bridges. Area bridges and marinas sustained damage. Approximately 650 buildings were damaged. Many downtown Pittsburgh buildings sustained extensive basement flooding. The Point State Park Museum was flooded with 4 and one-half feet of water. The fountain at the park was also damaged. The Allegheny County Sanitary Authority had to shut down its sewage treatment plant that serves 113 communities. Several hundreds of people had to be evacuated along the rivers. Flood waters entered the Three Rivers Stadium's parking lots and lower levels. Encroaching flood waters forced the Pittsburgh Steeler's to hurriedly pack up uniforms and equipment.

The radar

The national radar mosaic for the moment the first event began.

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Event by event

5 flood. Local standard time, as filed.

Flood, Greene

When
January 19, 10:00 AM EST to January 21, 3:00 AM EST
Where
Greene forecast zone
Property damage
$440,000
Coordinates
39.854, -80.223 (the zone’s center; the record gives no point)

Flood, Fayette

When
January 19, 10:00 AM EST to January 21, 3:00 AM EST
Where
Fayette forecast zone
Property damage
$5.0 million

Flood, Westmoreland

When
January 19, 10:00 AM EST to January 21, 3:00 AM EST
Where
Westmoreland forecast zone
Property damage
$4.0 million

Flood, Washington

When
January 19, 10:00 AM EST to January 21, 3:00 AM EST
Where
Washington forecast zone
Property damage
$1.4 million
Coordinates
40.189, -80.248 (the zone’s center; the record gives no point)

Flood, Allegheny

When
January 19, 10:00 AM EST to January 21, 3:00 AM EST
Where
Allegheny forecast zone
Property damage
$1.9 million
Coordinates
40.469, -79.981 (the zone’s center; the record gives no point)

What these are

Flood
Flooding that develops more slowly than a flash flood: rivers leaving their banks, or water standing over land for an extended time.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Pennsylvania in 1996Every state in 1996This day in weather historyWarnings in Pennsylvania, January 1996

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 5544534, 5544535, 5544536, 5544537, 5544538.