62
Recorded events
0
Direct deaths
1
Direct injuries
$895K
Property damage
Thunderstorm Wind in Grand Isle County, Vermont: 62 recorded events between 1958 and 2025. The strongest on record measured 70. That places the county #2,628 nationally and #14 statewide for this hazard.
Decade by decade
Thunderstorm Wind in Grand Isle County, Vermont: events per decade
Reporting practice changed over time — early decades are undercounted, not calmer.
The busiest decade for thunderstorm wind in Grand Isle County is the 2000s, when 20 of the county's 62 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 Grand Isle County archive, thunderstorm wind makes up 65.3% of all recorded severe weather across 7 hazard types. Nationally the county sits at #2,628 for this hazard and #14 within Vermont, putting it in the 16.9 percentile of all U.S. counties.
Seasonality
Events by month
Jul is the peak month for thunderstorm wind in Grand Isle County with 24 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.
Significant events
Deadliest on record
| Date | Location | Scale | Deaths | Injuries | Damage |
|---|---|---|---|---|---|
| Jun 9, 1987 | 0 | 0 | 1 | $0 |
Most recent
Latest recorded events
| Date | Location | Magnitude | Damage |
|---|---|---|---|
| Jul 3, 2025 | SOUTH HERO | 50 | $2K |
| Aug 4, 2024 | SOUTH HERO | 50 | $5K |
| Jul 21, 2023 | EAST ALBURGH | 50 | $5K |
| Jul 21, 2023 | ALBURG | 50 | $0 |
| Jul 4, 2023 | KEELER BAY | 50 | $20K |
| Jul 12, 2022 | ALBURG | 50 | $10K |
| Jul 20, 2021 | ALBURG | 50 | $10K |
| Aug 24, 2020 | GRAND ISLE STATION | 50 | $5K |
| Jul 30, 2019 | NORTH HERO | 66 | $0 |
| Jul 30, 2019 | ALBURG | 55 | $5K |
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
Numerous trees and powerlines down in Grand Isle, which have blocked and closed several roads including Route 2. Trees fell and trapped drivers in two vehicles with no injuries reported. Wind damage in the form of trees piercing through roofs, crushed vehicles, docks and patios torn off to several camps along the west shore of Route 2, including Irish Rover Lane.
Quick answers
Frequently asked
How many thunderstorm wind events are on record in Grand Isle County, Vermont?
62 thunderstorm wind events are recorded in Grand Isle County between 1958 and 2025, causing 0 direct deaths.
What is the strongest thunderstorm wind recorded in Grand Isle County?
The strongest thunderstorm wind on record in Grand Isle County measured 70.
Where does the thunderstorm wind data for Grand Isle 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 Grand Isle County, Vermont.” Severe Weather History. severeweatherhistory.com/county/vermont/grand-isle-county/thunderstorm-wind/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.