Addison County, Vermont severe weather history spans 383 recorded events between 1959 and 2025. The dominant hazard is thunderstorm wind, accounting for 52.5% of all recorded events. It ranks #1,322 nationally and #3 in Vermont.
383
Recorded events
0
Direct deaths
5
Direct injuries
$38.6M
Property damage
The record
What the Addison County, Vermont severe weather history record shows
Across the archive, Addison County, Vermont severe weather history averages 5.8 recorded events a year. The busiest stretch on record is the 2010s, with 134 events logged in that decade alone. Roughly 41 events fall before 1990 and 342 from 1990 onward — a gap that reflects the expansion of NOAA reporting practice as much as the weather itself.
The costliest is flash flood, with $35.1M in reported property damage. In total, 8 distinct hazard types appear in this county archive, each listed with its own dated record below.
By hazard type
Every hazard type recorded in Addison County
| Hazard | Events | Deaths | Damage | Max | Span |
|---|---|---|---|---|---|
| Thunderstorm Wind | 201 | 0 | $2.5M | 80 | 1959–2025 |
| Hail | 104 | 0 | $72K | 2 | 1965–2025 |
| Flash Flood | 49 | 0 | $35.1M | 0 | 1996–2025 |
| Flood | 13 | 0 | $651K | 0 | 2006–2017 |
| Heavy Rain | 7 | 0 | $0 | 0 | 2002–2005 |
| Tornado | 4 | 0 | $110K | F1 | 1965–2022 |
| Lightning | 4 | 0 | $225K | 0 | 2003–2024 |
| Strong Wind | 1 | 0 | $0 | 0 | 2001–2001 |
Decade by decade
Addison County, Vermont severe weather history by decade
Reporting practice changed over time — early decades are undercounted, not calmer.
Tornado tracks
Paths crossing this county
4 mapped tornado paths intersect this county: 4 touched down inside it and 0 crossed in from a neighbouring county. This comes from path geometry, not county-tagged reports.
| Date | Scale | Deaths | Injuries | Path length | Origin |
|---|---|---|---|---|---|
| 2022-07-18 | EF1 | 0 | 0 | 0.9 mi | Touched down here |
| 2021-03-26 | EF1 | 0 | 2 | 0.7 mi | Touched down here |
| 1965-06-09 | EF1 | 0 | 1 | 1.0 mi | Touched down here |
| 2022-07-18 | EF0 | 0 | 0 | 0.7 mi | Touched down here |
Significant events
Deadliest events on record in Addison County
| Date | Type | Location | Deaths | Injuries | Damage |
|---|---|---|---|---|---|
| Mar 26, 2021 | Tornado | MIDDLEBURY | 0 | 2 | $75K |
| Jul 13, 2023 | Thunderstorm Wind | WEST BRIDPORT | 0 | 1 | $50K |
| May 18, 2017 | Thunderstorm Wind | WEST ADDISON | 0 | 1 | $200K |
| Jun 9, 1965 | Tornado | 0 | 1 | $25K |
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
Several areas of flash flooding occurred across Addison county, east of Route 7 and especially in the foothills of the western slopes of the Green Mountains in communities such as Lincoln, Ripton, Hancock, Granville, Bristol, East Middlebury, New Haven, Monkton, Salisbury and Leicester. Dozens of roads (state/local) witnessed partial or full washouts, including Routes 7, 17, 116 and 125. Several homes and businesses experienced flooding and many farmlands loss there late summer harvest due to flooding.
Training showers and thunderstorms with torrential rainfall affected portions of Addison County on the evening of August 3, 2023. The axis of heaviest rainfall was fairly narrow and extended from near the town of West Addison, VT through the towns of Middlebury and East Middlebury. Within this band 3 to 6 inches of rain fell leading to severe flash flooding. A CoCoRaHS observation site in Middlebury reported 6.12 inches of rain in approximately 3 hours from this event. Numerous roads were flooded with several swift water rescues needed in Middlebury and East Middlebury.
A destructive flash flood occurred across portions of Addison County. The hardest hit area was along and adjacent to Route 125 between East Middlebury and Hancock. Sections of route 125 were destroyed by the Middlebury River draining to the west, and the Robbins Branch and Hancock Branch draining to the east. Several bridges were damages or washed out, and numerous residences and campers were stranded. Damage was reported as far west as Orwell Vermont, where flooding closed Murry Rd.
Context
Risk, population and federal disasters
Very Low
FEMA NRI risk rating
37,664
Population (ACS)
$361K
Median home value
30
Federal declarations
| Declared | Incident | Title | Type |
|---|---|---|---|
| Aug 20, 2024 | Severe Storm | SEVERE STORM, FLOODING, LANDSLIDES, AND MUDSLIDES | DR |
| Aug 8, 2024 | Tropical Storm | TROPICAL DEPRESSION DEBBY | EM |
| Oct 6, 2023 | Flood | SEVERE STORMS AND FLOODING | DR |
| Jul 14, 2023 | Flood | SEVERE STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES | DR |
| Jul 10, 2023 | Flood | FLOODING | EM |
| Aug 22, 2021 | Hurricane | TROPICAL STORM HENRI | EM |
Quick answers
Frequently asked
How many severe weather events have been recorded in Addison County, Vermont?
383 events are on record between 1959 and 2025, causing 0 direct deaths and $38.6M in property damage.
What is the most common severe weather hazard in Addison County?
Thunderstorm Wind, with 201 recorded events — 52.5% of everything in the archive for this county.
How many tornadoes have crossed Addison County?
4 mapped tornado paths intersect the county boundary; 4 of them touched down inside it. This is derived from path geometry, not county-tagged reports.
How many federal disaster declarations cover Addison County?
30 federal disaster declarations from FEMA include Addison County, each tied to a specific incident period.
How risky is Addison County compared with the rest of the country?
FEMA's National Risk Index rates Addison County as very low risk, placing it in the 27 percentile of its state for expected annual loss.
Where does the Addison County, Vermont severe weather history data come from?
Every figure is drawn from United States federal public-domain records: NOAA/NCEI Storm Events for the event archive, NOAA SPC SVRGIS for mapped tornado paths, FEMA for disaster declarations and risk ratings, and the U.S. Census for population context. Dates are shown in UTC and recent entries may still be revised by NOAA.
Nearby
Neighbouring counties
- Bennington County 307
- Caledonia County 300
- Chittenden County 530
- Essex County 135
- Franklin County 260
- Grand Isle County 95
Cite this page
“Addison County, Vermont.” Severe Weather History. severeweatherhistory.com/county/vermont/addison-county/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.