Flood, Allegheny
- When
- July 20, 1:30 AM EST to 4:00 PM EST
- Where
- Allegheny forecast zone
- Property damage
- $2,000
- Coordinates
- 40.469, -79.981 (the zone’s center; the record gives no point)
Flooding in Pennsylvania, July 20, 1996
After heavy thunderstorm rains pounded the region and flooded the Cheat River, a tributary of the Monongahela River. The Monongahela River also flooded along part of its stretch.
Where it happened
Every event with a place to put it; 2 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
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- $12,000
- Crop damage
- None recorded
- Events
- 3
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.
After heavy thunderstorm rains pounded the region and flooded the Cheat River, a tributary of the Monongahela River. The Monongahela River also flooded along part of its stretch. The river crested between 1 and 1.5 feet above flood stage at Lock 4 Charleroi and Lock 3 Elizabeth. Minor flooding occurred along this stretch.
The radar
The national radar mosaic for the moment the first event began.
Event by event
3 flood. Local standard time, as filed.
Flood, Westmoreland
- When
- July 20, 1:30 AM EST to 4:00 PM EST
- Where
- Westmoreland forecast zone
- Property damage
- $5,000
Flood, Washington
- When
- July 20, 1:30 AM EST to 4:00 PM EST
- Where
- Washington forecast zone
- Property damage
- $5,000
- Coordinates
- 40.189, -80.248 (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
- Hail in South Dakota, July 20, 1996
- Strong Wind in Massachusetts, July 20, 1996
- Rip Current in Florida, July 20, 1996
- Lightning Strike in Colorado, July 20, 1996
- Lightning Strike in Alabama, July 20, 1996
- High Wind in New York, July 20, 1996
- Lightning Strike in Alabama, July 20, 1996
- Damaging Wind in Missouri, July 20, 1996
- Lightning Strike in Louisiana, July 20, 1996
- Lightning Strike in Kansas, July 20, 1996
- Flood in Missouri, July 20 to 25, 1996
- Flood in Missouri, July 20 to 21, 1996
More
Every storm in Pennsylvania in 1996Every state in 1996This day in weather historyWarnings in Pennsylvania, July 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 2026-09-24. Each event’s entry at NCEI: 5574746, 5574747, 5574748.