TornadoLookup

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Knox County, Tennessee

Tornadoes, hail, floods and severe storms recorded here between 1955 and 2026, from NOAA's Storm Events Database. Search an address to see which tornadoes came closest to it.

14
Tornado reports
169
Hail reports
115
Floods since 1996
864
All events
18
Deaths
$60.7M
Property damage

Tornado paths in Knox County

The part of each tornado’s path NOAA recorded in this county, 13 in all. Zoom in and the paths widen to their surveyed width.

EF0EF1EF2EF3EF4EF5Unrated

Year by year

19552026
Hover or tap a bar to see that 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.

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…
January 24, 2026 · Knox, Tennessee
Winter Weather Winter Weather3 deaths
Total snow and sleet accumulations through the two bouts of precipitation resulted in 0.9 inches. Total ice accumulation of 0.1 inch of freezing rain accumulation on elevated surfaces and mulch beds. Freezing rain ended in the first bout around or shortly after midnight, dependin…
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
June 28, 2026 · Knox, Tennessee
Flash Flood Flash Flood
High water reported at the Karns underpass near the intersection of Ball Camp Byington Road and Byington Solway Road.
June 28, 2026 · Knox, Tennessee
Flash Flood Flash Flood
Tennessee Highway Patrol report of about 3 feet of running water near N Cedar Bluff Rd and Executive Park Dr.
June 28, 2026 · Knox, Tennessee
Flash Flood Flash Flood
Roadway flooded near Lockett Rd and Deane Hill Dr.
June 28, 2026 · Knox, Tennessee
Flash Flood Flash Flood
Roadway flooded on Downtown W Blvd, just north of Gleason Dr NW.
June 28, 2026 · Knox, Tennessee
Flash Flood Flash Flood
Water flowing over Shipe Road in Corryton with at least 15 feet of the roadway covered by a couple inches of quick flowing water.
June 28, 2026 · Knox, Tennessee
Flash Flood Flash Flood
Thompson School Road was starting to flood at Emory Road.
June 28, 2026 · Knox, Tennessee
Flash Flood Flash Flood
Street flooding near Plum Creek Park with one or two inches of water flowing over and pooling on the road surface.
June 28, 2026 · Knox, Tennessee
Flash Flood Flash Flood
Report of road being flooded at Edington and Maryville Pike. Depth was unknown and cars were still attempting to power through.
June 8, 2026 · Knox, Tennessee
Flash Flood Flash Flood
The underpass beneath the railroad tracks, near Hall of Fame Drive and 5th Avenue, has flooded to a depth of several feet.
June 8, 2026 · Knox, Tennessee
Flash Flood Flash Flood
Intersection of Keith Road and Sanderson Road was flooded, with a report of stalled vehicle as well.
June 8, 2026 · Knox, Tennessee
Flash Flood Flash Flood
A building at the intersection of North Central Street and Broadway was taking on water through front doors.
June 8, 2026 · Knox, Tennessee
Flash Flood Flash Flood
Flooding near the intersection of 3rd Creek Road and Hinton Drive. Floodwaters were reported to be up to at least knee depth.
June 8, 2026 · Knox, Tennessee
Flash Flood Flash Flood
An intersection on Middlebrook Pike had minor flooding reported. No vehicles were stranded but small vehicles may be unable to pass through.
May 24, 2026 · Knox, Tennessee
Flash Flood Flash Flood
Knoxville PD shared a picture on social media of Chapman Highway in South Knoxville. The picture showed the road covered with water and impassable, with a car being assisted out of the floodwaters.
May 20, 2026 · Knox, Tennessee
Thunderstorm Wind Thunderstorm Wind
A large tree was felled by severe thunderstorm winds and blocked the whole road.
May 20, 2026 · Knox, Tennessee
Thunderstorm Wind Thunderstorm Wind
Tree felled by severe thunderstorm winds partially blocked the eastbound lanes of a local road.
May 20, 2026 · Knox, Tennessee
Thunderstorm Wind Thunderstorm Wind
A large tree was felled by severe thunderstorm wind gusts and partially blocked a roadway.
May 20, 2026 · Knox, Tennessee
Thunderstorm Wind Thunderstorm Wind
A large tree was knocked over by thunderstorm winds, hanging over a local road on top of powerlines.
May 20, 2026 · Knox, Tennessee
Thunderstorm Wind Thunderstorm Wind
A large tree was felled by severe thunderstorm wind gusts and blocked the entirety of a local road.
February 20, 2026 · Knox, Tennessee
Thunderstorm Wind Thunderstorm Wind
Multiple trees and powerlines were blown down across Knoxville by severe thunderstorm winds, with at least one tree falling on a home in East Knoxville.
February 20, 2026 · Knox, Tennessee
Thunderstorm Wind Thunderstorm Wind
Strips of green tin roof were peeled off an inn on Chapman Highway by severe thunderstorm wind gusts.
January 30, 2026 · Knox, Tennessee
Heavy Snow Heavy Snow
Heavy snow was reported across Knox County, with 7 inches of snow measured in Kimberlain Heights and Maloneyville. Additional reports include 5.5 inches of snow near Powell, 4 inches of snow measured near Farragut, 4.5 inches of snow in Bearden, 5.3 inches of snow in Halls, and a…
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
Events by year, as a table
YearEventsTornadoes
2026230
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
1997140
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