49
Recorded events
1
Direct deaths
47
Direct injuries
$268.1M
Property damage
Tornado in Westmoreland County, Pennsylvania: 49 recorded events between 1954 and 2025. The strongest on record measured F4. That places the county #400 nationally and #1 statewide for this hazard.
Decade by decade
Tornado in Westmoreland County, Pennsylvania: events per decade
Reporting practice changed over time — early decades are undercounted, not calmer.
The busiest decade for tornado in Westmoreland County is the 1990s, when 11 of the county's 49 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 Westmoreland County archive, tornado makes up 2.9% of all recorded severe weather across 8 hazard types. Nationally the county sits at #400 for this hazard and #1 within Pennsylvania, putting it in the 86.5 percentile of all U.S. counties.
Seasonality
Events by month
Jun is the peak month for tornado in Westmoreland County with 16 recorded events, while Jan 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.
Tornado tracks
Paths crossing this county
| Date | Scale | Path length | Max width | Origin |
|---|---|---|---|---|
| 1980-06-03 | EF4 | 11.8 mi | 10 yd | Crossed in |
| 1976-07-11 | EF3 | 11.8 mi | 67 yd | Touched down here |
| 2024-06-26 | EF2 | 10.8 mi | 200 yd | Touched down here |
| 2018-10-02 | EF2 | 1.6 mi | 250 yd | Touched down here |
| 2011-03-23 | EF2 | 9.0 mi | 300 yd | Touched down here |
| 1997-08-15 | EF2 | 3.5 mi | 200 yd | Touched down here |
| 1983-05-22 | EF2 | 38.0 mi | 200 yd | Crossed in |
| 1980-06-03 | EF2 | 4.9 mi | 10 yd | Touched down here |
| 1980-05-12 | EF2 | 2.2 mi | 20 yd | Touched down here |
| 1975-06-04 | EF2 | 45.3 mi | 30 yd | Crossed in |
Significant events
Deadliest on record
| Date | Location | Scale | Deaths | Injuries | Damage |
|---|---|---|---|---|---|
| Jul 11, 1976 | F3 | 1 | 17 | $2.5M | |
| May 22, 1983 | F2 | 0 | 6 | $2.5M | |
| Apr 10, 1991 | F1 | 0 | 4 | $25K | |
| May 22, 1983 | F2 | 0 | 4 | $2.5M | |
| Jun 16, 1964 | F2 | 0 | 4 | $250K | |
| Jun 26, 1954 | F2 | 0 | 4 | $25K | |
| Nov 17, 1965 | F2 | 0 | 3 | $250K | |
| Aug 15, 1997 | DERRY | F2 | 0 | 2 | $800K |
Most recent
Latest recorded events
| Date | Location | Magnitude | Damage |
|---|---|---|---|
| Mar 16, 2025 | WILPEN | EF0 | $0 |
| Mar 16, 2025 | KEFFER | EF1 | $0 |
| Mar 16, 2025 | ACME | EF1 | $0 |
| Jun 27, 2024 | PLEASANT VLY | EF2 | $0 |
| Jun 27, 2024 | TRAFFORD | EF1 | $500K |
| May 29, 2024 | COOPERSTOWN | EF0 | $10K |
| May 17, 2024 | HARRISON CITY | EF0 | $100K |
| May 8, 2024 | MILLBANK | EF1 | $100K |
| Jul 29, 2021 | ROARING RUN | EF1 | $25K |
| Apr 8, 2020 | EDGECLIFF | EF0 | $10K |
Other hazards here
More from Westmoreland County
- Thunderstorm Wind 1,013
- Hail 291
- Flash Flood 238
- Flood 84
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
The National Weather Service survey team confirmed a tornado in hempfield township in Westmoreland county. The tornado initially touched down in the Sewickley township area/Rillton section and then moved along route 136 in Hempfield township. There were numerous single family homes damaged in the Rillton area with some having homes having their entire rooves removed. In addition, one home lost an exterior wall. Numerous trees were uprooted in the area as well. Damage was then observed near the Hempfield bus garage with damage to multiple structures. Near this location was when the path width was the largest. Moving farther east, the Hempfield Senior Highschool scoreboard was knocked down and several light posts were snapped. Track and field equipment was displaced several hundred yards from their original locations. Extensive damage was done to the entry way to the football stadium at the high school. In the Fort Allen area, several homes sustained roof damage. One home in the area lost an exterior wall and saw its roofs displaced several hundred yards.
The National Weather Service office in Pittsburgh Pennsylvania confirmed an EF1 tornado touched down near Ligonier in Westmoreland county on June 1st. The tornado initially touched down a quarter mile east of the Borough of Ligonier and traveled northeast causing sporadic damage over a path of approximately 5 miles before lifting east of the Champion Lakes golf course. ||The most intense damage occurred to a house on Robb Road, where the entire roof was blown off. The width of the tornado at this location was approximately 100 yards. Another mile or two north, along route 711 and Stanislaw Farms, 10-20 trees were snapped at the truck or uprooted. Three stationary vehicles were moved three to six feet. ||Sporadic snapping and uprooting of trees was observed until reaching the Antiochian Village. There, 14 cabins sustained minor damage, mainly from snapped trees landing on roofs. Approximately 27 structures and 2 businesses experienced some level of damage. Insured damages were estimated to be near 3 million dollars.
A tornado downed large trees from Jeannette to Greensburg, closing State Route 30. An apartment roof was blown off at Greensburg, leaving eight families homeless. Other buildings sustained minor damage. Structural damage was estimated at $428,000.
Quick answers
Frequently asked
How many tornado events are on record in Westmoreland County, Pennsylvania?
49 tornado events are recorded in Westmoreland County between 1954 and 2025, causing 1 direct deaths.
What is the strongest tornado recorded in Westmoreland County?
The strongest tornado on record in Westmoreland County measured F4.
Where does the tornado data for Westmoreland 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
“Tornado in Westmoreland County, Pennsylvania.” Severe Weather History. severeweatherhistory.com/county/pennsylvania/westmoreland-county/tornado/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.