Only a few hours after the area received up to 2 inches of rain from thunderstorms training over the area, another round of thunderstorms moved over the area and produced flash flooding across several counties in southwest Pennsylvania.
Every event with a place to put it; 4 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
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.
The episode as NWS PBZ wrote it up.
Only a few hours after the area received up to 2 inches of rain from thunderstorms training over the area, another round of thunderstorms moved over the area and produced flash flooding across several counties in southwest Pennsylvania.
The Pittsburgh radar (KPBZ), 68 km away, was scanning. The volume nearest the first event began at 15:02 UTC.
4 flash flood. Local standard time, as filed.
Road flooding was reported across the West Newton area, as several small streams overflowed their banks. Stream and creek flooding was also reported in the Jones Mills area.
Street flooding was reported in and around the Perryopolis area.
Tributaries of the South Fork of Ten Mile Creek, along with Pursley Creek, flooded in the Oak Forest area.
Valley Brook Creek overflowed its banks, producing flooding on portions of Valley Brook Road.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Pennsylvania in 2000Every state in 2000This day in weather historyWarnings in Pennsylvania, August 2000
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: 5174808, 5174805, 5174806, 5174807.