Roane County, Tennessee

County storm and disaster record · FIPS 47145 · population 53,371 · 361 sq mi

NOAA's Storm Events Database holds 443 records for Roane County, Tennessee from 1950 through June 30, 2026, on 321 days; the most frequent are severe thunderstorm wind events (280 records). The deadliest single record is the January 14, 2024 heavy snow, filed for the forecast zone Roane, which covers the county: 2 deaths. FEMA has issued 24 declarations naming the county since 1973, 22 of them for natural hazards; the latest for a natural hazard was “Severe Winter Storm” on February 6, 2026.

The record, 1950 to 2026

Storm records filed for the county each year (2026 to June 30, 2026). Before 1996 NOAA recorded only tornadoes (from 1950), thunderstorm wind and hail (from 1955).

  • recorded, no damage figure
  • under $100,000
  • $100,000 or more
  • $1 million or more
  • $10 million or more, or a death
  • $100 million or more, or 10 deaths
  • a year's colour: its recorded damage or deaths
  • a year with a death
  • 1955: wind and hail recorded from 1955
  • 1996: all 48 event types from 1996
Storm records
443on 321 days, 1950 to June 30, 2026
Deaths recorded
54 injuries
Damage, 2025 dollars
$26Mas filed (scale steps before 1993)
Tornadoes
6strongest EF1
FEMA declarations
24latest 2026

Source: NOAA NCEI Storm Events Database, records through June 30, 2026 (file revision 20260918); damage converted to 2025 dollars with the BLS CPI-U. Search the record at NCEI. BLS consumer price index.

What hazards hit Roane County most?

The most frequent records are severe thunderstorm wind events: 280 since 1957. The rank column places the county among Tennessee's counties by days with a record per 1,000 square miles of land over each hazard's complete period.

Roane County: records by hazard, 1950 to June 30, 2026
HazardRecordsDaysFirst, lastKilledInjuredDamageRank in state
Severe thunderstorm wind 280 215 1957-2026 0 2 $3.2M 11 of 95
Hail 51 39 1958-2025 0 0 $98K 47 of 95
Floods 46 39 1996-2025 0 0 $22M 23 of 95
Winter storms 45 39 1996-2026 2 0 $14K 64 of 95
Tornadoes 6 6 1977-2025 0 0 $343K 75 of 95
High wind and dust storms 5 5 2003-2023 1 1 $49K 66 of 95
Lightning 3 2 1996-2018 1 1 – 52 of 95
Extreme cold 2 2 2015-2022 1 0 – 29 of 95
Hurricanes and tropical storms 2 1 2004-2004 0 0 $47K 22 of 95
Fog, smoke and funnel clouds 2 2 2010-2011 0 0 – 30 of 95
Drought 1 1 1998-1998 0 0 – 77 of 95

Source: NOAA NCEI Storm Events Database (county and forecast-zone records attributed to the county; a zone record shows its own totals on each county it covers). Days: dates with at least one record of the hazard in the county. Ranks: days with a record per 1,000 square miles of land (Census Bureau 2024 Gazetteer), since 1950 for tornadoes, 1955 for hail and thunderstorm wind, 1996 for the rest.

How many tornadoes has Roane County had?

NOAA records 6 tornadoes in Roane County from 1977 to 2025, the strongest rated EF1, with 0 deaths and 0 injuries recorded in the county. A tornado that crossed a county line is counted in each county it touched, with the length of its path inside the county.

Counted as whole tornadoes rather than county records, the Storm Prediction Center's database holds 7 tornadoes whose track touched Roane County since 1950 (NOAA's county records number 6: they file a crossing tornado once per county segment, and the two databases differ on some tracks); along their whole tracks they killed 1 person, 0 of them in Roane County.

The deadliest and strongest tornadoes that touched Roane County, whole tracks
DateTornadoRatingPathKilled
1993-02-21 16:05, as SPC files itLenoir to MaryvilleF330 mi1

Map of the strongest tornado tracks in Tennessee.

Every tornado record filed for Roane County (6)
Every tornado recorded in Roane County, newest first
DatePlaceCharacterKilledInjuredDamage
2025-05-20 Jonesville, Roane County EF1 0.49 mi x 100 yd 0 0 $50K
2023-08-03 Cave Creek, Roane County EF1 0.5 mi x 200 yd 0 0 –
2014-06-10 Kingston, Roane County EF0 0.5 mi x 100 yd 0 0 $62K
2011-06-22 Dogwood, Roane County EF0 0.6 mi x 20 yd 0 0 $7K
1993-02-21 Cave Creek, Roane County F1 1.5 mi x 75 yd 0 0 $102K
1977-10-01 Roane County F0 0.2 mi x 100 yd 0 0 $25K step

A damage figure marked "step" is a record from before 1993: NOAA then filed damage by category, and the figure is the category as entered, in the dollars of that year, not an estimate of the loss.

Source: NOAA NCEI Storm Events Database, tornado records by county (path length in the county, maximum width); ratings as published: F scale before February 1, 2007, EF scale after. Whole-track figures: NOAA Storm Prediction Center tornado database (1950-2025). SPC severe weather database.

When was the last damaging storm in Roane County?

The most recent record with damage, injuries or deaths is the May 20, 2025 tornado ($50,000 in damage in 2025 dollars).

A 100 yard wide EF-1 tornado with peak winds near 100 mph started near Blair Road and Butler Drive where several trees were uprooted and trunks snapped. The tornado tracked near Old Harriman Highway where numerous tree trunks were snapped along the path. The tornado lifted near Whaley Road and Old Harriman Highway. Tornado was on the ground for roughly a 0.5 mile.
National Weather Service event narrative, NOAA Storm Events Database (search the full record, event 1265418)
The 12 most recent records kept for Roane County
DateRecordCharacterKilledInjuredDamage
2026-03-16 Thunderstorm WindEmory Hgts, Roane County 52 kt wind 0 0 –
2026-01-30 Heavy SnowRoane County · forecast zone Roane 0 0 –
2026-01-24 Winter WeatherRoane County · forecast zone Roane 0 0 –
2025-09-04 Thunderstorm WindUnion, Roane County 52 kt wind 0 0 –
2025-09-04 HailLawnville, Roane County 1.25 in hail 0 0 –
2025-09-04 HailUnion, Roane County 1.00 in hail 0 0 –
2025-09-04 HailRockwood, Roane County 0.75 in hail 0 0 –
2025-06-26 Thunderstorm WindGlen Alice, Roane County 52 kt wind 0 0 –
2025-05-20 Thunderstorm WindJonesville, Roane County 70 kt wind 0 0 –
2025-05-20 TornadoJonesville, Roane County EF1 0.49 mi x 100 yd 0 0 $50K
2025-05-20 Thunderstorm WindDyllis, Roane County 52 kt wind 0 0 –
2025-05-20 Thunderstorm WindOliver Spgs, Roane County 52 kt wind 0 0 –

Source: NOAA NCEI Storm Events Database; every record of 2025-2026 is listed, earlier ones when they caused deaths, injuries or $250,000 of damage (2025 dollars), and every tornado.

The deadliest and costliest records

Records with deaths or injuries in Roane County, most deaths first
DateRecordCharacterKilledInjuredDamage
2024-01-14 Heavy SnowRoane County · forecast zone Roane Light freezing rain was noted by the COOP observer in Kingston, but otherwise widespread heavy snow fell across the county. Kingston COOP reported 9 inches of snow, and public reports of 7 inches and 8.5 inches were measured in Eagle Furnace and near Oak Ridge, respectively. 2 0 –
2023-04-01 High WindRoane County · forecast zone Roane Strong winds blew the roof off a dugout at Rockwood Baseball Complex. The roof fell onto two people, a female adult and a child. Both were transported to local hospitals, where the adult died from her injuries. 52 kt wind 1 1 –
2018-07-06 LightningKingston, Roane County Individual was struck by lightning after mowing lawn. 1 0 –
2015-02-16 Cold/Wind ChillRoane County · forecast zone Roane Emergency manager reported a 44 year old male died. It was hypothermia related. 1 0 –
2005-05-14 Thunderstorm WindKingston, Roane County A cedar tree injured a father and son in Kingston when it fell on them. 60 kt wind 0 2 $5K
2018-07-06 LightningKingston Airport, Roane County A man was struck by lightning and killed while he was walking home after mowing a lawn. 0 1 –
The costliest records in Roane County since 1993, damage in 2025 dollars
DateRecordCharacterKilledInjuredDamage
2019-02-23 FloodGlen Alice, Roane County 0 0 $12M
2003-05-05 Flash FloodCountywide, Roane County 0 0 $4.5M
2003-05-05 Flash FloodCountywide, Roane County 0 0 $4.5M
2005-11-28 Thunderstorm WindOliver Spgs, Roane County 65 kt wind 0 0 $604K
2011-02-28 FloodHarriman, Roane County 0 0 $361K
1993-02-21 TornadoCave Creek, Roane County F1 1.5 mi x 75 yd 0 0 $102K
1995-05-18 HailOliver Springs, Roane County 2.75 in hail 0 0 $97K
2014-06-10 TornadoKingston, Roane County EF0 0.5 mi x 100 yd 0 0 $62K

Before 1993 NOAA filed damage by category, not amount, so the list above starts in 1993. The highest category filed here before then (entered as $25K, in the dollars of the day) holds: October 1, 1977 (tornado, Roane County).

Source: NOAA NCEI Storm Events Database: deaths and injuries direct and indirect; damage is property plus crops as estimated by the National Weather Service, converted to 2025 dollars.

Is it getting more frequent?

Records per decade for Roane County's most frequent hazards. Counts rose everywhere after 1996, when NOAA began recording every event type, so compare decades within a hazard's complete period only (the shaded cells come before it).

Roane County: records per decade (the 2020s to June 30, 2026)
Hazard1950s1960s1970s1980s1990s2000s2010s2020-26
Severe thunderstorm wind4233351336337
Hail1001823126
Floods––––8171110
Winter storms––––1012176

Source: NOAA NCEI Storm Events Database, records per calendar decade; zone records from the CZ_TYPE field (Z).

What time of year?

Records by month in Roane County. The two busiest months are in violet.

The values, month by month

Jan 32 · Feb 35 · Mar 29 · Apr 46 · May 61 · Jun 82 · Jul 60 · Aug 41 · Sep 15 · Oct 14 · Nov 11 · Dec 17 (records).

Source: NOAA NCEI Storm Events Database, records by the month they began.

Federal disaster declarations for Roane County

FEMA's register lists 24 declarations that include Roane County: 19 major disasters, 5 emergencies and 0 fire management assistance declarations. Most were for severe storm (12) and flood (5).

Declarations including Roane County, newest first
DeclaredNumberTypeTitle
2026-02-06DR-4898Winter StormSevere Winter Storm
2026-01-24EM-3635Winter StormSevere Winter Storm
2025-04-02EM-3625Severe StormSevere Storms, Straight-Line Winds, Tornadoes, and Flooding
2023-09-27DR-4742Severe StormSevere Storms, Straight-Line Winds, and Tornado
2020-04-02DR-4514BiologicalCovid-19 Pandemic
2020-03-13EM-3473BiologicalCovid-19
2019-04-17DR-4427FloodSevere Storms, Flooding, Landslides, and Mudslides
2017-06-23DR-4320Severe StormSevere Storms, Straight-Line Winds, and Flooding
2015-04-02DR-4211Severe Ice StormSevere Winter Storm and Flooding
2014-08-13DR-4189Severe StormSevere Storms, Tornadoes, Straight-Line Winds, and Flooding
2005-09-05EM-3217HurricaneHurricane Katrina Evacuation
2004-10-07DR-1568Severe StormSevere Storms and Flooding
2003-05-08DR-1464Severe StormSevere Storms, Tornadoes, and Flooding
2003-03-20DR-1456Severe StormSevere Storms and Flooding
2002-11-13DR-1441Severe StormSevere Storms and Tornados
2002-04-05DR-1408Severe StormSevere Storms and Flooding
1999-01-15DR-1260Severe StormSevere Winter Storm
1998-04-20DR-1215Severe StormSevere Storms, Tornadoes and Flooding
1998-01-13DR-1197Severe StormSevere Storms and Flooding
1993-03-14EM-3095SnowstormSevere Snowfall, Winter Storm
1991-01-04DR-889FloodSevere Storms & Flooding
1977-04-29DR-533FloodSevere Storms & Flooding
1973-06-28DR-395FloodSevere Storms & Flooding
1973-03-21DR-366FloodHeavy Rains & Flooding

Source: FEMA OpenFEMA Disaster Declarations Summaries (v2), declarations through October 2, 2026; one declaration is counted once however many areas it names. OpenFEMA dataset page.

How many floods has Roane County had?

NOAA's Storm Events Database holds 46 flood or flash flood records for Roane County from 1996 to 2025, on 39 days, with 0 deaths. By flood insurance claims since 1978 (OpenFEMA, as of September 8, 2026), Roane County ranks 1766th of 2,942 U.S. counties.

The National Flood Insurance Program has paid $522,000 on 40 claims filed in Roane County; the most in one year was 9 in 1990. Claims count insured losses only: uninsured flood damage is not in this file.

The values, year by year

1978: 1 · 1990: 9 · 1991: 1 · 1994: 1 · 1998: 3 · 1999: 3 · 2002: 4 · 2003: 4 · 2004: 1 · 2011: 2 · 2012: 1 · 2013: 1 · 2014: 1 · 2015: 1 · 2017: 1 · 2019: 3 · 2020: 2 · 2025: 1; the other years: 0.

Source: FEMA OpenFEMA NFIP Redacted Claims, as of September 8, 2026; claims by year of loss, payments in the dollars of the year paid. OpenFEMA dataset page.

FEMA's modeled risk for Roane County

FEMA's National Risk Index rates Roane County Relatively Low overall, with an expected annual loss of $21.8 million. These are FEMA's model estimates of future loss from 18 hazards, not a count of what happened; they can differ from the record above.

National Risk Index ratings for Roane County (December 2025 release), by FEMA's rating, then score
HazardRisk ratingExpected annual lossModeled frequency
LandslideRelatively Moderate$65K1.4 a year (modeled)
Cold WaveRelatively Moderate$5.0Monce in about 2 years (modeled)
Strong WindRelatively Moderate$1.1M5.1 a year (modeled)
LightningRelatively Moderate$534K59 a year (modeled)
TornadoRelatively Moderate$2.1Monce in about 6 years (modeled)
Winter WeatherRelatively Moderate$102K4.4 a year (modeled)
Ice StormRelatively Moderate$112Konce in about 2 years (modeled)
EarthquakeRelatively Low$2.5Monce in about 220 years (modeled)

Source: FEMA National Risk Index, county table, December 2025 release. FEMA's National Risk Index map.

Counties that share a border with Roane County

  1. Knox County 867
  2. McMinn County 539
  3. Cumberland County 474
  4. Roane County 443
  5. Anderson County 414
  6. Morgan County 385
  7. Loudon County 374
  8. Rhea County 374
  9. Meigs County 237

Source: U.S. Census Bureau county adjacency file; NOAA NCEI Storm Events Database, records since 1950. The Census Bureau's adjacency file.

Next