151
Recorded events
0
Direct deaths
2
Direct injuries
$293K
Property damage
Thunderstorm Wind in McCormick County, South Carolina: 151 recorded events between 1974 and 2025. The strongest on record measured 73. That places the county #1,515 nationally and #45 statewide for this hazard.
Decade by decade
Thunderstorm Wind in McCormick County, South Carolina: events per decade
Reporting practice changed over time — early decades are undercounted, not calmer.
The busiest decade for thunderstorm wind in McCormick County is the 2010s, when 49 of the county's 151 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 McCormick County archive, thunderstorm wind makes up 67.1% of all recorded severe weather across 5 hazard types. Nationally the county sits at #1,515 for this hazard and #45 within South Carolina, putting it in the 51.7 percentile of all U.S. counties.
Seasonality
Events by month
Jun is the peak month for thunderstorm wind in McCormick County with 40 recorded events, while Feb 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 |
|---|---|---|---|---|---|
| May 25, 2024 | MC CORMICK | 55 | 0 | 1 | $0 |
| Jun 10, 1998 | MC CORMICK | 60 | 0 | 1 | $0 |
Most recent
Latest recorded events
| Date | Location | Magnitude | Damage |
|---|---|---|---|
| Nov 8, 2025 | WILLINGTON | 61 | $0 |
| Jun 9, 2025 | TROY | 52 | $0 |
| Jun 9, 2025 | WILLINGTON | 52 | $0 |
| Jun 7, 2025 | MC CORMICK | 52 | $0 |
| Jun 7, 2025 | MC CORMICK | 52 | $0 |
| Jun 7, 2025 | MT CARMEL | 52 | $0 |
| Mar 31, 2025 | PLUM BRANCH | 56 | $0 |
| May 25, 2024 | MC CORMICK | 55 | $0 |
| May 25, 2024 | BORDEAUX | 60 | $0 |
| May 24, 2024 | BORDEAUX | 65 | $0 |
Other hazards here
More from McCormick County
- Hail 50
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
A line of severe thunderstorms produced widespread wind damage across McCormick|County, SC on the evening of July 20, 2023. Hamilton Branch State Park, along the|shore of Lake J. Strom Thurmond, was particularly hard hit, likely due to enhancement|of winds over the lake. ||South Carolina State Parks estimated that approximately 18 trees were snapped or|uprooted and blocking roadways in the park, with numerous other trees downed in|wooded areas. No injuries. ||A National Weather Service storm survey determined that the damage was the result of thunderstorm winds, and not a tornado. Peak wind speeds were estimated to be around 75 mph.
Numerous trees were downed across the county from the Savannah Lakes Village south to near the Georgia state line on Hwy 28 S. Over 70 trees were downed onto roadways. One tree fell on a vehicle at an unknown location. No reported injuries.
Quick answers
Frequently asked
How many thunderstorm wind events are on record in McCormick County, South Carolina?
151 thunderstorm wind events are recorded in McCormick County between 1974 and 2025, causing 0 direct deaths.
What is the strongest thunderstorm wind recorded in McCormick County?
The strongest thunderstorm wind on record in McCormick County measured 73.
Where does the thunderstorm wind data for McCormick 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 McCormick County, South Carolina.” Severe Weather History. severeweatherhistory.com/county/south-carolina/mccormick-county/thunderstorm-wind/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.