Johnson County, Kentucky

County storm and disaster record · FIPS 21115 · population 22,621 · 262 sq mi

NOAA's Storm Events Database holds 453 records for Johnson County, Kentucky from 1950 through June 30, 2026, on 269 days; the most frequent are severe thunderstorm wind events (191 records). The deadliest single record is the July 13, 2015 flash flood: 4 deaths, 15 injuries and $4.4 million in damage in 2025 dollars. FEMA has issued 48 declarations naming the county since 1967, 46 of them for natural hazards; the latest for a natural hazard was “Severe Winter Storm” on January 24, 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
453on 269 days, 1950 to June 30, 2026
Deaths recorded
624 injuries
Damage, 2025 dollars
$31Mas filed (scale steps before 1993)
Tornadoes
4strongest EF3
FEMA declarations
48latest 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 Johnson County most?

The most frequent records are severe thunderstorm wind events: 191 since 1970. 48% of its severe thunderstorm wind events since 1970 fell in June and July. The rank column places the county among Kentucky's counties by days with a record per 1,000 square miles of land over each hazard's complete period.

Johnson County: records by hazard, 1950 to June 30, 2026
HazardRecordsDaysFirst, lastKilledInjuredDamageRank in state
Severe thunderstorm wind 191 107 1970-2025 0 2 $1.1M 37 of 118
Winter storms 90 68 1996-2026 0 0 $28K 33 of 118
Floods 68 44 1998-2025 4 15 $16M 46 of 118
Hail 58 34 1992-2025 0 0 $7K 43 of 118
Extreme cold 17 17 1996-2020 0 0 – 31 of 118
High wind and dust storms 8 8 2006-2024 0 0 $44K 71 of 118
Fog, smoke and funnel clouds 5 4 2010-2014 0 0 – 26 of 118
Drought 4 4 2016-2019 0 0 – 32 of 118
Heat 4 4 2010-2010 0 0 – 54 of 118
Tornadoes 4 3 1990-2013 2 7 $13M 96 of 118
Heavy rain 3 3 2010-2019 0 0 $12K 55 of 118
Landslides and avalanches 1 1 2021-2021 0 0 – 19 of 118

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 Johnson County had?

NOAA records 4 tornadoes in Johnson County from 1990 to 2013, the strongest rated EF3, with 2 deaths and 7 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 4 tornadoes whose track touched Johnson County since 1950 (NOAA's county records number 4, the same count); along their whole tracks they killed 12 people, 2 of them in Johnson County.

The deadliest and strongest tornadoes that touched Johnson County, whole tracks
DateTornadoRatingPathKilled
2012-03-02 16:39, as SPC files itWest LibertyCrossed KY, WVEF384.99 mi10
2012-03-02 17:50, as SPC files itSalyersville to WarfieldCrossed KY, WVEF349.04 mi2

Map of the strongest tornado tracks in Kentucky.

Every tornado record filed for Johnson County (4)
Every tornado recorded in Johnson County, newest first
DatePlaceCharacterKilledInjuredDamage
2013-06-09 Lowmansville, Johnson County EF0 0.1 mi x 50 yd 0 0 –
2012-03-02 Keaton, Johnson County EF1 2.9 mi x 1,312 yd 0 0 $32K
2012-03-02 Asa, Johnson County EF3 14.43 mi x 1,312 yd 2 7 $13M
1990-06-02 Johnson County F1 1 mi x 23 yd 0 0 $250K 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 Johnson County?

The most recent record with damage, injuries or deaths is the December 18, 2025 thunderstorm wind (1 injury and $16,000 in damage in 2025 dollars).

A large tree limb (5 to 6 inches in diameter) crashed through the roof of a mobile home on Witten Lane in the Wittensville community, striking a female who was lying in bed. The limb caused a deep laceration in her leg, and she was transported by ambulance to a local hospital.
National Weather Service event narrative, NOAA Storm Events Database (search the full record, event 1303742)
The 12 most recent records kept for Johnson County
DateRecordCharacterKilledInjuredDamage
2026-01-24 Winter StormJohnson County · forecast zone Johnson 0 0 –
2025-12-18 Thunderstorm WindWittensville, Johnson County 50 kt wind 0 1 $16K
2025-05-20 Thunderstorm WindSitka, Johnson County 50 kt wind 0 0 $1K
2025-05-20 Thunderstorm WindVolga, Johnson County 50 kt wind 0 0 $1K
2025-05-08 HailKeaton, Johnson County 1.00 in hail 0 0 –
2025-05-08 HailBoons Camp, Johnson County 1.00 in hail 0 0 –
2025-05-02 HailLowmansville, Johnson County 1.00 in hail 0 0 –
2025-04-04 Flash FloodDawkins, Johnson County 0 0 –
2025-04-03 Thunderstorm WindTutor Key, Johnson County 50 kt wind 0 0 $1K
2025-01-19 Heavy SnowJohnson County · forecast zone Johnson 0 0 –
2025-01-05 Winter StormJohnson County · forecast zone Johnson 0 0 –
2018-07-04 Thunderstorm WindThelma, Johnson County 74 kt wind 0 0 $12K

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 Johnson County, most deaths first
DateRecordCharacterKilledInjuredDamage
2015-07-13 Flash FloodFlatgap, Johnson County Flash flooding occurred in the Redbush and Flatgap communities, with devastating flooding occurring along Big Mudlick Creek and Ramey Branch. Four fatalities occurred and over 50 swift water rescues were performed in this area. Entire double wide houses were seen floating down Big Mudlick Creek and getting forced ... 4 15 $4.4M
2012-03-02 TornadoAsa, Johnson County A damage survey team from the National Weather Service Forecast Office in Jackson, Kentucky determined that an EF-3 tornado tracked across central Johnson County on March 2, 2012. The tornado had a path width of about 3/4 of a mile and estimated maximum wind speeds of 160 mph. The tornado crossed into Johnson County ... EF3 14.43 mi x 1,312 yd 2 7 $13M
2025-12-18 Thunderstorm WindWittensville, Johnson County A large tree limb (5 to 6 inches in diameter) crashed through the roof of a mobile home on Witten Lane in the Wittensville community, striking a female who was lying in bed. The limb caused a deep laceration in her leg, and she was transported by ambulance to a local hospital. 50 kt wind 0 1 $16K
2000-06-15 Thunderstorm WindWittensville, Johnson County Strong thunderstorm winds brought a tree down onto a car. The driver was transported to the hospital with minor injuries. 0 1 $3K
The costliest records in Johnson County since 1993, damage in 2025 dollars
DateRecordCharacterKilledInjuredDamage
2012-03-02 TornadoAsa, Johnson County EF3 14.43 mi x 1,312 yd 2 7 $13M
2015-07-13 Flash FloodFlatgap, Johnson County 4 15 $4.4M
2014-08-22 Flash FloodFlatgap, Johnson County 0 0 $3.7M
1998-06-10 Flash FloodCountywide, Johnson County 0 0 $905K
2003-02-16 FloodJohnson County · forecast zone Johnson 0 0 $861K
2018-07-04 Thunderstorm WindPaintsville, Johnson County 74 kt wind 0 0 $71K
2012-03-02 TornadoKeaton, Johnson County EF1 2.9 mi x 1,312 yd 0 0 $32K
2025-12-18 Thunderstorm WindWittensville, Johnson County 50 kt wind 0 1 $16K

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 $250K, in the dollars of the day) holds: June 2, 1990 (tornado, Johnson 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 Johnson 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).

Johnson County: records per decade (the 2020s to June 30, 2026)
Hazard1950s1960s1970s1980s1990s2000s2010s2020-26
Severe thunderstorm wind002215618427
Winter storms––––6234318
Floods––––325355
Hail0000729184
Extreme cold––––33101

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

What time of year?

48% of its severe thunderstorm wind events since 1970 fell in June and July. The two busiest months are in violet.

The values, month by month

Jan 39 · Feb 52 · Mar 36 · Apr 44 · May 65 · Jun 85 · Jul 50 · Aug 28 · Sep 7 · Oct 13 · Nov 7 · Dec 27 (records).

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

Federal disaster declarations for Johnson County

FEMA's register lists 48 declarations that include Johnson County: 39 major disasters, 7 emergencies and 2 fire management assistance declarations. Most were for severe storm (23) and flood (11).

Declarations including Johnson County, newest first
DeclaredNumberTypeTitle
2026-01-24EM-3633Winter StormSevere Winter Storm
2025-04-24DR-4864Severe StormSevere Storms, Straight-Line Winds, Tornadoes, Flooding, Landslides, and Mudslides
2025-04-03EM-3626Severe StormSevere Storms, Straight-Line Winds, Tornadoes, and Flooding
2025-02-24DR-4860Severe StormSevere Storms, Straight-Line Winds, Flooding, Landslides, and Mudslides
2025-02-16EM-3624Severe StormSevere Storms, Straight-Line Winds, Flooding, and Landslides
2024-11-26DR-4848Tropical StormRemnants of Hurricane Helene
2023-05-09DR-4711FloodSevere Storms, Straight-Line Winds, Flooding, Landslides, and Mudslides
2023-04-10DR-4702Severe StormSevere Storms, Straight-Line Winds, Tornadoes, Flooding, Landslides, and Mudslides
2022-07-29DR-4663FloodSevere Storms, Flooding, Landslides, and Mudslides
2022-02-27DR-4643Severe StormSevere Storms, Straight-Line Winds, Tornadoes, Flooding, Landslides
2021-04-23DR-4595FloodSevere, Storms, Flooding, Landslides, and Mudslides
2021-03-31DR-4592Severe Ice StormSevere Winter Storms, Landslides, and Mudslides
2020-04-24DR-4540Severe StormSevere Storms, Flooding, Landslides, and Mudslides
2020-03-28DR-4497BiologicalCovid-19 Pandemic
2020-03-13EM-3469BiologicalCovid-19
2019-04-17DR-4428Severe StormSevere Storms, Straight-Line Winds, Flooding, Landslides, and Mudslides
2018-04-12DR-4358FloodSevere Storms, Flooding, Landslides, and Mudslides
2015-08-12DR-4239Severe StormSevere Storms, Tornadoes, Straight-Line Winds, Flooding, Landslides, and Mudslide
2015-05-12DR-4218FloodSevere Winter Storm, Snowstorm, Flooding, Landslides, and Mudslides
2015-05-01DR-4217FloodSevere Storms, Tornadoes, Flooding, Landslides, and Mudslides
2014-09-30DR-4196Severe StormSevere Storms, Flooding, Landslides, and Mudslides
2012-03-06DR-4057Severe StormSevere Storms, Tornadoes, Straight-Line Winds and Flooding
2011-05-04DR-1976Severe StormSevere Storms, Tornadoes, and Flooding
2009-02-05DR-1818Severe Ice StormSevere Winter Storm and Flooding
2009-01-28EM-3302Severe Ice StormSevere Winter Storm
2007-05-25DR-1703Severe StormSevere Storms, Flooding, Mudslides, and Rockslides
2005-09-10EM-3231HurricaneHurricane Katrina
2004-06-10DR-1523Severe StormSevere Storms, Tornadoes, Flooding, and Mudslides
2003-07-02DR-1475Severe StormSevere Storms, Flooding, Mud and Rock Slides, and Tornadoes
2003-03-14DR-1454Severe StormSevere Winter Ice and Snow Storms, Heavy Rain, Flooding, Tornadoes, and Mud and
2002-04-04DR-1407Severe StormSevere Storms and Flooding
2001-11-02FM-2386FireKy - Eastern Fire Complex - 11/02/2001
2001-08-15DR-1388Severe StormSevere Storms and Flooding
2000-11-04FM-2350FireKy - Eastern District Fire Complex - 11/03/00
2000-02-28DR-1320Severe StormSevere Storms and Flooding
1998-04-29DR-1216Severe StormSevere Storms, Tornadoes,and Flooding
1998-03-03DR-1207Severe StormSevere Winter Storm
1997-03-04DR-1163Severe StormSevere Storm, Flooding, and Tornadoes
1996-01-13DR-1089SnowstormBlizzard of 96
1995-06-13DR-1055TornadoTornadoes, Severe Winds, Hail

The 40 most recent of 48 are listed; the CSV has every one.

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 Johnson County had?

NOAA's Storm Events Database holds 68 flood or flash flood records for Johnson County from 1998 to 2025, on 44 days, with 4 deaths. By flood insurance claims since 1978 (OpenFEMA, as of September 8, 2026), Johnson County ranks 733rd of 2,942 U.S. counties.

The National Flood Insurance Program has paid $5.2 million on 309 claims filed in Johnson County; the most in one year was 84 in 1984. Claims count insured losses only: uninsured flood damage is not in this file.

The values, year by year

1978: 4 · 1979: 2 · 1980: 1 · 1981: 2 · 1982: 2 · 1984: 84 · 1986: 1 · 1988: 1 · 1990: 1 · 1997: 2 · 1998: 3 · 2002: 1 · 2003: 21 · 2004: 23 · 2005: 2 · 2006: 4 · 2007: 1 · 2009: 4 · 2011: 4 · 2012: 2 · 2014: 19 · 2015: 27 · 2016: 1 · 2017: 2 · 2018: 4 · 2019: 30 · 2020: 2 · 2021: 37 · 2022: 6 · 2023: 3 · 2025: 13; 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 Johnson County

FEMA's National Risk Index rates Johnson County Relatively Low overall, with an expected annual loss of $20.5 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 Johnson County (December 2025 release), by FEMA's rating, then score
HazardRisk ratingExpected annual lossModeled frequency
LandslideRelatively Moderate$39Kabout once a year (modeled)
Riverine FloodingRelatively Moderate$18M1.5 a year (modeled)
Winter WeatherRelatively Moderate$75K15 a year (modeled)
WildfireRelatively Low$204Konce in about 138 years (modeled)
Heat WaveRelatively Low$407K2.5 modeled event-days a year
LightningRelatively Low$133K50 a year (modeled)
HailRelatively Low$118K3.4 a year (modeled)
Cold WaveRelatively Low$394Kabout once a year (modeled)

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

Counties that share a border with Johnson County

  1. Floyd County 744
  2. Morgan County 543
  3. Johnson County 453
  4. Magoffin County 433
  5. Lawrence County 400
  6. Martin County 336

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

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