Unicoi County, Tennessee
Tornadoes, hail, floods and severe storms recorded here between 1967 and 2026, from NOAA's Storm Events Database. Search an address to see which tornadoes came closest to it.
2
Tornado reports
20
Hail reports
21
Floods since 1996
228
All events
10
Deaths
$11.2M
Property damage
Tornado paths in Unicoi County
The part of each tornado’s path NOAA recorded in this county, 2 in all. Zoom in and the paths widen to their surveyed width.
EF0EF1EF2EF3EF4EF5Unrated
Year by year
All storm eventsTornadoes
NOAA's storm database records tornadoes back to 1950 and hail and thunderstorm wind back to 1955, but floods only from 1996 on. Older floods are missing here. For those, the U.S. Geological Survey's stream gauge records and flood reports are the place to look.
Most significant events
The strongest tornadoes, deadliest events and biggest damage here, up to 50.
Flooding along portions of Hwy 19 was reported at 8:00 am EST. Reports from spotters, social media, broadcast media, and county officials increased through the day, including flooded roadways at 8:51 am EST. Flooding of the Nolichucky River at the Jackson Love Hwy bridge area was…
Numerous roadways were flooded or damaged across the county. Circumstantially, a motorist swerved off of Unicoi Drive around 12:30 AM on the 7th, hit a concrete bridge structure that crosses Buffalo Creek, and rolled over into the flooded creek. The trapped occupant drowned.
Heavy Snow Heavy Snow
Heavy snow fell across Unicoi County, with 8.5 inches of snow measured near Rocky Fork. Other snow observations include the cooperative observation of 7.5 inches of snow in Erwin, a public report of 8 inches in Erwin, and 5 inches of snow in Banner Hill.
Heavy Snow Heavy Snow
Heavy snow was reported in Limestone Cove, with 4 inches of snow measured at the end of the event. Otherwise a trained spotter reported 2 inches of snow in the city of Unicoi, and the public reported 3 inches of snow in Banner Hill.
Hail Hail
Heavy Snow Heavy Snow
A member of the public measured 4 inches of snow in Erwin.
Heavy Snow Heavy Snow
Heavy snow fell in Unicoi County, with 5.8 inches of snow measured east of Rocky Fork, and 3.5 inches of snow measured in Erwin.
Heavy Snow Heavy Snow
Heaviest snowfall report was a public report near Rocky Fork at 2300 feet elevation with 6.5 inches of snow. Broadcast media relayed multiple reports, including 4 inches of snow in Unicoi, 4 inches in Flag Pond, 3 to 4 inches in Erwin, and 5.5 inches at 2700 feet of elevation in …
High Wind High Wind
A severe and prolonged high wind event from Helene's elevated winds led to catastrophic wind damage to the forests in Unicoi County, primarily at or near ridge top. A video taken by a member of the public showed extreme devastation along Unaka Mountain Wilderness Area and Stampin…
Thunderstorm Wind Thunderstorm Wind
Multiple trees were toppled in the Rocky Fork area by powerful thunderstorm wind gusts.
Winter Weather Winter Weather
A period of light wintry mix yielding no accumulations began, then a lull before ending the next day with a period of light snow that ended in the evening. Snow accumulation of 0.2 inches was measured in Erwin, Tennessee.
Winter Weather Winter Weather
Across Unicoi County, moderate rainfall yielded to a light snow at the end of the event. From Facebook pictures, roughly 0.5 inch of snowfall was observed in Erwin, with the COOP observer in Erwin measuring 0.2 inches of snow. Roads in Erwin and Unicoi, including Interstate 26, b…
Thunderstorm Wind Thunderstorm Wind
Several trees, and a sign, were blown over by severe thunderstorm winds.
Thunderstorm Wind Thunderstorm Wind
Several trees were blown down by severe thunderstorm winds, mainly in south Unicoi County.
Thunderstorm Wind Thunderstorm Wind
A tree fell onto a house on Garfield Street.
Thunderstorm Wind Thunderstorm Wind
Several trees were blown down, and a shed was damaged.
Heavy Snow Heavy Snow
Snow amounts between 2.5 and 4 inches were reported across the county.
Heavy Snow Heavy Snow
Near Erwin, 4 inches of snow was reported.
Heavy Snow Heavy Snow
Around Erwin, between 3 to 4.5 inches of snow was reported.
Heavy Snow Heavy Snow
Near Erwin, 6 inches of snow was reported.
Heavy Snow Heavy Snow
About 4 inches of snow was reported in the Erwin area.
Heavy Snow Heavy Snow
About 4 to 6 inches of snow was estimated across the higher elevations of the county.
Heavy Snow Heavy Snow
Heavy Snow Heavy Snow
Near Sam's Gap at the NC border, 7 inches was reported. The snowfall began on November 30th and continued into December 1.
Heavy Snow Heavy Snow
Near Sam's Gap at the NC border, 7 inches was reported. The snowfall began on November 30th and continued into December 1.
Thunderstorm Wind Thunderstorm Wind
Several trees reported down.
Flash Flood Flash Flood
Flooding of Upper Higgins Creek and Rice Creek prompted the evacuation of homes in the Temple Hill area.
Heavy Snow Heavy Snow
Four inches of snow was reported at Iron Mountain.
Heavy Snow Heavy Snow
Four inches of snow was reported at Erwin.
Thunderstorm Wind Thunderstorm Wind
A few trees were reported down.
Hail Hail
Quarter size hail was reported at Limestone Cove.
Thunderstorm Wind Thunderstorm Wind
A few trees were reported down across the Sam's Gap area.
Heavy Snow Heavy Snow
A snowfall total of 6 inches was measured at Erwin.
Heavy Snow Heavy Snow
A snowfall depth of 7 inches was measured at Unicoi.
High Wind High Wind
Multiple trees were reported down across the county. Minor structural damage was reported at a church in Flag Pond.
Heavy Snow Heavy Snow
Three miles south of Unicoi at Sam's Gap, a three inch snowfall accumulation was reported.
Heavy Snow Heavy Snow
A snowfall total of 8 inches was reported at Limestone Cove.
Heavy Snow Heavy Snow
Six inches of snow was reported at Unicoi.
Thunderstorm Wind Thunderstorm Wind
Several trees were reported down in the Flag Pond area.
Thunderstorm Wind Thunderstorm Wind
One tree was reported down.
Thunderstorm Wind Thunderstorm Wind
A few trees were reported down.
Heavy Snow Heavy Snow
Emergency manager personnel reported 4 inches of snow fell in Erwin.
Winter Storm Winter Storm
Dispatch personnel reported 0.50 inch of sleet fell in Erwin.
Heavy Snow Heavy Snow
Two miles south of Erwin snow depth was estimated at four inches. Trees and power lines were reported down across the county due to the weight of the snow.
Thunderstorm Wind Thunderstorm Wind
Five trees were reported down in Unicoi along Unicoi Drive.
Thunderstorm Wind Thunderstorm Wind
A planning mill building was destroyed and the sheet metal roofing from the structure was blown onto two nearby homes.
Thunderstorm Wind Thunderstorm Wind
Law enforcement personnel reported several trees downed by thunderstorm wind in Erwin.
Heavy Snow Heavy Snow
Three inches of snow was reported at Sam's Gap.
Heavy Snow Heavy Snow
The public reported 8 inches of snow fell 11 miles southwest of Erwin in the Flag Pole area.
Events by year, as a table
| Year | Events | Tornadoes |
|---|---|---|
| 2026 | 1 | 0 |
| 2025 | 4 | 0 |
| 2024 | 6 | 0 |
| 2023 | 3 | 0 |
| 2022 | 5 | 0 |
| 2021 | 2 | 0 |
| 2020 | 6 | 0 |
| 2018 | 4 | 0 |
| 2017 | 3 | 0 |
| 2016 | 4 | 0 |
| 2015 | 5 | 0 |
| 2014 | 7 | 0 |
| 2013 | 7 | 0 |
| 2012 | 8 | 0 |
| 2011 | 9 | 1 |
| 2010 | 16 | 0 |
| 2009 | 11 | 0 |
| 2008 | 8 | 0 |
| 2007 | 4 | 0 |
| 2006 | 12 | 0 |
| 2005 | 10 | 0 |
| 2004 | 12 | 0 |
| 2003 | 13 | 0 |
| 2002 | 7 | 0 |
| 2001 | 6 | 0 |
| 2000 | 8 | 0 |
| 1999 | 5 | 0 |
| 1998 | 9 | 0 |
| 1997 | 6 | 0 |
| 1996 | 11 | 0 |
| 1995 | 5 | 0 |
| 1994 | 1 | 0 |
| 1991 | 1 | 0 |
| 1990 | 1 | 0 |
| 1989 | 1 | 0 |
| 1988 | 1 | 0 |
| 1985 | 1 | 0 |
| 1983 | 1 | 0 |
| 1980 | 1 | 1 |
| 1974 | 1 | 0 |
| 1967 | 2 | 0 |
Search your address
See every tornado that passed within 25 miles of a place in Unicoi County, measured to its path.
We couldn’t get your location. Check that location access is allowed for this site, or type an address.