51
Recorded events
0
Direct deaths
0
Direct injuries
$1.2M
Property damage
Flash Flood in Armstrong County, Pennsylvania: 51 recorded events between 1996 and 2025. The strongest on record measured 0. That places the county #591 nationally and #32 statewide for this hazard.
Decade by decade
Flash Flood in Armstrong County, Pennsylvania: events per decade
Reporting practice changed over time — early decades are undercounted, not calmer.
The busiest decade for flash flood in Armstrong County is the 2010s, when 16 of the county's 51 recorded events were logged. Comparing decades is useful for spotting active periods, but the earliest years are thin because systematic reporting for this hazard began later.
Within the Armstrong County archive, flash flood makes up 10.0% of all recorded severe weather across 8 hazard types. Nationally the county sits at #591 for this hazard and #32 within Pennsylvania, putting it in the 80.7 percentile of all U.S. counties.
Seasonality
Events by month
Jun is the peak month for flash flood in Armstrong County with 15 recorded events, while Oct is the quietest. Seasonality here is a property of the archive as much as the climate: reports cluster where population and spotter networks are densest.
Most recent
Latest recorded events
| Date | Location | Magnitude | Damage |
|---|---|---|---|
| Jul 1, 2025 | APOLLO | 0 | $5K |
| Jun 15, 2025 | ORCHARD HILLS | 0 | $5K |
| Jun 15, 2025 | LEECHBURG ARPT | 0 | $5K |
| Jun 15, 2025 | LEECHBURG | 0 | $2K |
| May 5, 2025 | GODFREY | 0 | $0 |
| May 5, 2025 | GOHEENVILLE | 0 | $0 |
| May 5, 2025 | GODFREY | 0 | $0 |
| Apr 12, 2024 | BOGGSVILLE | 0 | $20K |
| Apr 3, 2024 | APOLLO | 0 | $1K |
| Apr 3, 2024 | BOGGSVILLE | 0 | $1K |
Other hazards here
More from Armstrong County
- Thunderstorm Wind 348
- Hail 72
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
Widespread flooding of roads and 200 basements. 12 families were evacuated. Flooded started in South Buffalo Twp around noon, then moved into Ford City and Kittanning. Between 7 AM EDT and 1130 AM, 4.2 inches of rain fell in Kittanning. It reached 5 inches by 4 PM EDT. By 215 PM EDT, flooding was reported in Ford City and 2 miles south of Kittanning. By 413 PM EDT, flooding was widespread.By 723 PM EDT, Glade Run overflowed and flooded Skinall Rd near the Villa Restaurant on SR 1285. By 935 PM EDT, several roads were still flooded in Ford City and Kittanning. Skywarn spotter in Kittanning reported total rainfall in the storm was 5.9 inches. Manor Twp Fire Dept reported some families were evacuated from homes along Garretts Run Rd (old Rte 66) because of flooding.Hawk Hollow and Ping Wing Hollow Roads were washed out. Thirty feet of Scout Run Rd washed out. Restaurant on Rte 66 had extensive flooding. Nearly 100 basements flooded in Manorville and Garretts Run. 136 more basements flooded in Ford City. Animal shelter off Rte 85 flooded by 1130 AM EDT; over 100 animals rescued.
Flash flooding caused several roads to be closed in southern Armstrong County, including Route 66 from Ford City southward. 4 feet of water was over Route 66th in Apollo causing tractor trailers to get stuck. In addition, several residents on Glade Run Road had to evacuate their residences by boat. In total, over 200 homes sustained flood damage, mainly to basements.
Quick answers
Frequently asked
How many flash flood events are on record in Armstrong County, Pennsylvania?
51 flash flood events are recorded in Armstrong County between 1996 and 2025, causing 0 direct deaths.
What is the strongest flash flood recorded in Armstrong County?
The strongest flash flood on record in Armstrong County measured 0.
Where does the flash flood data for Armstrong County come from?
All events come from the NOAA/NCEI Storm Events Database, the federal public-domain archive of severe weather reports. Dates are UTC, damage is as reported and not inflation-adjusted, and the most recent entries may still be revised.
Cite this page
“Flash Flood in Armstrong County, Pennsylvania.” Severe Weather History. severeweatherhistory.com/county/pennsylvania/armstrong-county/flash-flood/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.