305
Recorded events
0
Direct deaths
3
Direct injuries
$1.4M
Property damage
Thunderstorm Wind in Franklin County, Pennsylvania: 305 recorded events between 1963 and 2026. The strongest on record measured 87. That places the county #436 nationally and #34 statewide for this hazard.
Decade by decade
Thunderstorm Wind in Franklin County, Pennsylvania: events per decade
Reporting practice changed over time — early decades are undercounted, not calmer.
The busiest decade for thunderstorm wind in Franklin County is the 2010s, when 91 of the county's 305 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 Franklin County archive, thunderstorm wind makes up 65.6% of all recorded severe weather across 7 hazard types. Nationally the county sits at #436 for this hazard and #34 within Pennsylvania, putting it in the 86.3 percentile of all U.S. counties.
Seasonality
Events by month
Jul is the peak month for thunderstorm wind in Franklin County with 82 recorded events, while Dec 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.
Significant events
Deadliest on record
| Date | Location | Scale | Deaths | Injuries | Damage |
|---|---|---|---|---|---|
| Jul 21, 2020 | WOODSTOCK | 83 | 0 | 1 | $90K |
| Jul 21, 2020 | SCOTLAND | 52 | 0 | 1 | $1K |
| Jun 6, 1994 | Chambersburg | 0 | 0 | 1 | $500 |
Most recent
Latest recorded events
| Date | Location | Magnitude | Damage |
|---|---|---|---|
| Apr 14, 2026 | ST THOMAS | 52 | $15K |
| May 16, 2025 | MIDDLEBURG | 52 | $5K |
| Apr 20, 2025 | WELTYS | 61 | $12K |
| Apr 20, 2025 | MIDDLEBURG | 61 | $15K |
| Apr 20, 2025 | GREENCASTLE | 61 | $10K |
| Apr 20, 2025 | MERCERSBURG | 61 | $10K |
| Jul 10, 2024 | STOUFFERSTOWN | 52 | $20K |
| Aug 7, 2023 | CHAMBERSBURG | 52 | $6K |
| Aug 7, 2023 | TOMSTOWN | 52 | $3K |
| Aug 7, 2023 | FT LOUDON | 52 | $10K |
Other hazards here
More from Franklin County
- Hail 87
- Flash Flood 44
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
A severe thunderstorm microburst produced straight line wind damage in Fayetteville, PA. Approximately 100 trees were downed by strong winds along a path approximately 700 yards long and 100 yards wide. Most of this damage occurred in a forested area alongside the road between 1640 and 1350 Woodstock Rd. In addition to this concentrated swath of damage, peripheral wind damage was scattered between Fayetteville and Chambersburg, including several isolated instances of trees down and damage to roofs of buildings. Wind in this area was estimated at 70-80 mph. A roof was ripped off a warehouse building on the 1600 block of Lincoln Highway. Another roof was partially removed from a building on the 1700 block of Lincoln Highway. A roof was partially removed from a barn and a shed was destroyed on the 2500 block of Grant Point Rd. One person was injured when a tree fell onto a person in Chambersburg. We thank the Civil Air Patrol for providing aerial imagery that was used in this damage analysis.
A severe thunderstorm, producing wind gusts estimated near 60 mph, knocked down multiple trees near residences on Snider Road west-southwest of Chambersburg. Reports also indicated a small building collapse in the vicinity.
Thunderstorm winds estimated near 60 mph knocked down trees and utility wires in St. Thomas. The severe winds also caused damage to several homes near 1772 St Thomas/Eden Mill Road. Three homes suffered minor damage; one home suffered moderate damage. No injuries were reported.
Quick answers
Frequently asked
How many thunderstorm wind events are on record in Franklin County, Pennsylvania?
305 thunderstorm wind events are recorded in Franklin County between 1963 and 2026, causing 0 direct deaths.
What is the strongest thunderstorm wind recorded in Franklin County?
The strongest thunderstorm wind on record in Franklin County measured 87.
Where does the thunderstorm wind data for Franklin 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
“Thunderstorm Wind in Franklin County, Pennsylvania.” Severe Weather History. severeweatherhistory.com/county/pennsylvania/franklin-county/thunderstorm-wind/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.