TornadoLookup
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Knox storm history

Storm events recorded in Knox, Tennessee between 1950 and 2025.

835
Total events
14
Tornadoes
167
Hail
100
Floods
15
Deaths
$60.6M
Property damage

Most significant events

Strongest tornadoes, deadliest events, and biggest damage in this county. Up to 50 shown.

February 21, 1993 · Knox, Tennessee
Tornado F3 Tornado3 injuries, $5.0M damage
The tornado started near Oak Ridge, moved through the Bull Run Steam Plant and went through the town of Claxton. Fifty homes were damaged and six mobile homes were destroyed. Two business were destroyed and another 10 were damaged including a weapons plant. Twelve electric transm…
September 27, 2024 · Knox, Tennessee
High Wind High Wind1 death
Approximately 100 calls were logged by the Knox 911 dispatch for fallen trees during the Helene high wind event. This resulted in numerous trees blocking roads, downing powerlines, and causing thousands of power outages across the county. Several trees were reported down on Warri…
January 18, 2024 · Knox, Tennessee
Winter Weather Winter Weather2 deaths
Rain, freezing rain, and snow fell with a half inch of snow measured in the Hardin Valley area of Knoxville. Extreme cold followed, with refreezing of roads each night of snowmelt causing additional road hazards.
January 14, 2024 · Knox, Tennessee
Heavy Snow Heavy Snow4 deaths
Heavy, crippling snowfall fell across Knox County, with widespread reports of 8 inches to 12 inches of snow, especially across the west side of the county. A Knoxville based COOP observer measured 11.3 inches of snow, a CoCoRaHS observer in Powell recorded 8.2 inches, another jus…
February 23, 2019 · Knox, Tennessee
Flood Flood1 death, $32.5M damage
Numerous roadways and structures were flooded. East Emory Road near Hallbrook Road near Halls Crossroads was closed. Flooding also reported on Northshore Drive near Ebenezer Road. South Peters Road was closed by flooding late in the evening, but a motorist still became submerged …
July 8, 2016 · Knox, Tennessee
Thunderstorm Wind Thunderstorm Wind1 death
A 66 year old female was killed by a falling tree outside of her residence in West Knoxville. Numerous trees were downed in the area by the thunderstorm winds.
November 9, 2000 · Knox, Tennessee
Thunderstorm Wind Thunderstorm Wind2 deaths
June 28, 1998 · Knox, Tennessee
Heat Heat1 death
June 27, 1998 · Knox, Tennessee
Heat Heat1 death
April 3, 1974 · Knox, Tennessee
Tornado F1 Tornado2 deaths, 21 injuries
April 15, 1965 · Knox, Tennessee
Tornado F2 Tornado6 injuries, $2.5M damage
August 7, 2023 · Knox, Tennessee
Tornado EF2 Tornado$3.7M damage
The tornado started on Yarnell Road, then reached peak intensity and width as it passed the Lovell Crossing apartment complex. Significant roof damage was noted to several of the homes and apartments in Lovell Cove and Crossing, with partial roof loss and uplift of roof decking c…
February 28, 2011 · Knox, Tennessee
Flood Flood$2.0M damage
Broadcast media reported that heavy rain from a thunderstorm caused flooding countywide.
May 5, 2003 · Knox, Tennessee
Flash Flood Flash Flood$2.8M damage
Kingston Pike and Gleason Road flooded and closed.
February 14, 2003 · Knox, Tennessee
Flood Flood$8.2M damage
December 18, 2025 · Knox, Tennessee
Thunderstorm Wind Thunderstorm Wind
A flag pole in the front yard of a home in Powell was bent all the way to the ground by severe thunderstorm wind gusts.
December 18, 2025 · Knox, Tennessee
Thunderstorm Wind Thunderstorm Wind
A 36 inch diameter oak tree was felled by severe thunderstorm winds and sliced through the side of a home, requiring the fire department to extricate 1 person. No confirmed injuries. Fire department reported another tree falling on a separate house in Knoxville as well as several…
December 18, 2025 · Knox, Tennessee
Thunderstorm Wind Thunderstorm Wind
Over 75 calls to the county 911 system occurred due to severe wind gusts causing multiple trees and powerlines to be damaged.
October 21, 2025 · Knox, Tennessee
Hail Hail
September 4, 2025 · Knox, Tennessee
Hail Hail
September 4, 2025 · Knox, Tennessee
Hail Hail
September 4, 2025 · Knox, Tennessee
Hail Hail
September 4, 2025 · Knox, Tennessee
Hail Hail
September 4, 2025 · Knox, Tennessee
Hail Hail
September 4, 2025 · Knox, Tennessee
Hail Hail
September 4, 2025 · Knox, Tennessee
Hail Hail
September 4, 2025 · Knox, Tennessee
Hail Hail
September 4, 2025 · Knox, Tennessee
Hail Hail
September 4, 2025 · Knox, Tennessee
Thunderstorm Wind Thunderstorm Wind
A large diameter tree branch was sheared off a tree by powerful thunderstorm wind gusts.
August 22, 2025 · Knox, Tennessee
Flood Flood
Report of flooding on Pellissippi Parkway near Solway.
August 22, 2025 · Knox, Tennessee
Flood Flood
Report of water coming into a house near Hardin Valley Rd.
August 13, 2025 · Knox, Tennessee
Flash Flood Flash Flood
Water over roadways near Ray Mears Blvd and Downtown West Blvd.
August 13, 2025 · Knox, Tennessee
Flash Flood Flash Flood
Water over roadway near intersection of Dutch Valley and Old Broadway.
May 20, 2025 · Knox, Tennessee
Thunderstorm Wind Thunderstorm Wind
Numerous trees blown down across Knox County by severe thunderstorm winds.
May 20, 2025 · Knox, Tennessee
Thunderstorm Wind Thunderstorm Wind
Severe convective gust measured on an at home anemometer.
April 25, 2025 · Knox, Tennessee
Thunderstorm Wind Thunderstorm Wind
A large tree was blown down by severe thunderstorm winds and is blocking several lanes on Westland Drive. The storm also blew down powerlines near this address.
April 25, 2025 · Knox, Tennessee
Thunderstorm Wind Thunderstorm Wind
A large tree limb was felled by severe thunderstorm winds and landed on a semitruck and another vehicle near the intersection of W Martin Mill Pike and Brown Road.
April 25, 2025 · Knox, Tennessee
Thunderstorm Wind Thunderstorm Wind
A few trees and powerlines were blown down by powerful thunderstorm wind gusts in West Knoxville.
April 25, 2025 · Knox, Tennessee
Thunderstorm Wind Thunderstorm Wind
A large tree blocked a local road after being felled by severe thunderstorm wind gusts.
April 10, 2025 · Knox, Tennessee
Hail Hail
April 10, 2025 · Knox, Tennessee
Hail Hail
April 10, 2025 · Knox, Tennessee
Hail Hail
April 10, 2025 · Knox, Tennessee
Hail Hail
April 10, 2025 · Knox, Tennessee
Hail Hail
April 10, 2025 · Knox, Tennessee
Hail Hail
March 15, 2025 · Knox, Tennessee
Thunderstorm Wind Thunderstorm Wind
Several trees in the Heiskell neighborhood of Knox County were blown down by severe thunderstorm wind gusts.
February 19, 2025 · Knox, Tennessee
Winter Weather Winter Weather
Light snow fell across Knox County. CoCoRaHS reports of snowfall were: 2.6 inches in Knoxville, 1.5 inches in Knoxville, 1 inch in Seymour, 2 inches in Knoxville, 1.7 inches in Karns, and 2 inches in Farragut.
January 10, 2025 · Knox, Tennessee
Heavy Snow Heavy Snow
Snow fell in a couple of bursts over Knox County, with wintry mix falling between roughly 1630 EST and 1900 EST based off reports from a trained spotter and the official airport station just south of Knox County. A light glaze of freezing rain was reported by a trained spotter du…
December 29, 2024 · Knox, Tennessee
Strong Wind Strong Wind
For a several hour period, Knoxville McGhee Tyson ASOS recorded wind gusts above 40 mph. The peak wind gust was recorded at 51 mph at 12:49 PM. These winds, combined with saturated soils, led to multiple reports of tree damage across both Blount and Knox counties, with trees fall…
December 11, 2024 · Knox, Tennessee
Winter Weather Winter Weather
Light snow fell across Knox County with the highest report from a NWS Employee of 1.2 inches of snow along Sharps Ridge. Other reports included 1.2 inches in downtown Knoxville, 1 inch in Halls, and 0.5 inches in Lake Forest.

Events by year

YearEventsTornadoes
2025330
2024400
2023481
2022350
2021230
2020230
2019310
2018170
2017200
2016320
2015190
2014270
2013120
2012242
2011363
2010220
2009290
2008190
200760
2006370
2005250
2004240
2003282
2002220
2001160
2000221
1999180
1998410
199780
1996160
1995201
199420
199381
199250
199130
199030
198920
198730
198640
198560
198410
198220
198121
197740
197510
197441
197310
197020
196810
196521
196330
196110
195710
195510