Allen County, Kansas
County storm and disaster record · FIPS 20001 · population 12,525 · 500 sq mi
NOAA's Storm Events Database holds 563 records for Allen County, Kansas from 1950 through June 30, 2026, on 328 days; the most frequent are hail reports (196 records). The deadliest single record is the December 1, 2008 winter weather, filed for the forecast zone Allen, which covers the county: 1 death, 2 injuries and $34,000 in damage in 2025 dollars. FEMA has issued 14 declarations naming the county since 1969, 12 of them for natural hazards; the latest for a natural hazard was “Severe Storms, Straight-Line Winds, Tornadoes, and Flooding” on July 15, 2024.
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
- 563on 328 days, 1950 to June 30, 2026
- Deaths recorded
- 311 injuries
- Damage, 2025 dollars
- $33Mas filed (scale steps before 1993)
- Tornadoes
- 26strongest F2
- FEMA declarations
- 14latest 2024
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 Allen County most?
The most frequent records are hail reports: 196 since 1964. 53% of its hail reports since 1964 fell in April and May. The rank column places the county among Kansas's counties by days with a record per 1,000 square miles of land over each hazard's complete period.
| Hazard | Records | Days | First, last | Killed | Injured | Damage | Rank in state |
|---|---|---|---|---|---|---|---|
| Hail | 196 | 92 | 1964-2026 | 0 | 0 | $1.4M | 93 of 105 |
| Severe thunderstorm wind | 148 | 92 | 1956-2026 | 0 | 2 | $5.3M | 45 of 105 |
| Floods | 58 | 47 | 1998-2023 | 0 | 0 | $9.8M | 14 of 105 |
| Winter storms | 51 | 50 | 1999-2026 | 2 | 5 | $813K | 30 of 105 |
| Drought | 39 | 34 | 2011-2023 | 0 | 0 | $328K | 15 of 105 |
| Tornadoes | 26 | 20 | 1950-2024 | 0 | 4 | $15M | 57 of 105 |
| Heavy rain | 20 | 10 | 2014-2024 | 0 | 0 | – | 25 of 105 |
| Heat | 13 | 13 | 2006-2021 | 1 | 0 | – | 23 of 105 |
| High wind and dust storms | 6 | 5 | 2008-2025 | 0 | 0 | $32K | 93 of 105 |
| Extreme cold | 3 | 3 | 2007-2021 | 0 | 0 | – | 57 of 105 |
| Lightning | 2 | 2 | 1998-2008 | 0 | 0 | $224K | 33 of 105 |
| Fog, smoke and funnel clouds | 1 | 1 | 2006-2006 | 0 | 0 | – | 70 of 105 |
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 Allen County had?
NOAA records 26 tornadoes in Allen County from 1950 to 2024, the strongest rated F2, with 0 deaths and 4 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 28 tornadoes whose track touched Allen County since 1950 (NOAA's county records number 26: they file a crossing tornado once per county segment, and the two databases differ on some tracks); along their whole tracks they killed 0 people.
| Date | Tornado | Rating | Path | Killed |
|---|---|---|---|---|
| 2003-05-08 17:56, as SPC files it | Yates Center | F3 | 23 mi | 0 |
| 1956-07-20 18:30, as SPC files it | Pittsburg | F3 | 69.5 mi | 0 |
Map of the strongest tornado tracks in Kansas.
Every tornado record filed for Allen County (26)
| Date | Place | Character | Killed | Injured | Damage |
|---|---|---|---|---|---|
| 2024-04-26 | Elsmore, Allen County | EFU 0.01 mi x 10 yd | 0 | 0 | – |
| 2009-06-09 | Moran, Allen County | EF0 0.76 mi x 50 yd | 0 | 0 | – |
| 2008-05-01 | Petrolia, Allen County | EF0 1.89 mi x 75 yd | 0 | 0 | – |
| 2008-05-01 | Savonburg, Allen County | EF0 0.64 mi x 50 yd | 0 | 0 | – |
| 2007-02-28 | Carlyle, Allen County | EF0 0.25 mi x 250 yd | 0 | 0 | – |
| 2007-02-28 | Carlyle, Allen County | EF0 0.1 mi x 20 yd | 0 | 0 | – |
| 2006-03-30 | Humboldt, Allen County | F0 0.5 mi x 50 yd | 0 | 0 | – |
| 2005-11-27 | Elsmore, Allen County | F0 0.2 mi x 50 yd | 0 | 0 | – |
| 2003-05-08 | Carlyle, Allen County | F0 1 mi x 110 yd | 0 | 0 | – |
| 2003-05-08 | Iola, Allen County | F1 3 mi x 125 yd | 0 | 0 | $241K |
| 2003-05-06 | Humboldt, Allen County | F0 0.5 mi x 55 yd | 0 | 0 | – |
| 1991-03-26 | Allen County | F2 8 mi x 100 yd | 0 | 1 | $2.5M step |
| 1990-05-25 | Allen County | F0 4 mi x 27 yd | 0 | 0 | – |
| 1990-05-25 | Allen County | F0 3 mi x 27 yd | 0 | 0 | $25K step |
| 1986-05-27 | Allen County | F1 1 mi x 50 yd | 0 | 0 | $25K step |
| 1986-05-27 | Allen County | F1 2 mi x 50 yd | 0 | 0 | $25K step |
| 1984-03-15 | Allen County | F0 0.1 mi x 10 yd | 0 | 0 | $30 step |
| 1984-03-15 | Allen County | F0 0.1 mi x 10 yd | 0 | 0 | $30 step |
| 1982-03-15 | Allen County | F2 6 mi x 500 yd | 0 | 0 | $2.5M step |
| 1977-05-04 | Allen County | F1 0.3 mi x 50 yd | 0 | 0 | $3K step |
| 1977-03-11 | Allen County | F1 0.5 mi x 77 yd | 0 | 0 | $250K step |
| 1973-06-04 | Allen County | F2 2 mi x 200 yd | 0 | 0 | $25K step |
| 1971-05-31 | Allen County | F1 2 mi x 300 yd | 0 | 3 | $25K step |
| 1964-04-20 | Allen County | F2 5.7 mi x 33 yd | 0 | 0 | $25K step |
| 1953-05-10 | Allen County | F1 0.5 mi x 200 yd | 0 | 0 | $250 step |
| 1950-07-18 | Allen County | F1 | 0 | 0 | – |
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 Allen County?
The most recent record with damage, injuries or deaths is the June 11, 2021 thunderstorm wind (1 injury).
A large tree was uprooted with numerous other reports of tree and limbs down. One tree fell on top of a car.
National Weather Service event narrative, NOAA Storm Events Database (search the full record, event 962832)
| Date | Record | Character | Killed | Injured | Damage |
|---|---|---|---|---|---|
| 2026-06-18 | HailIola, Allen County | 1.25 in hail | 0 | 0 | – |
| 2026-06-13 | Thunderstorm WindMoran, Allen County | 52 kt wind | 0 | 0 | – |
| 2026-06-13 | Thunderstorm WindIola, Allen County | 57 kt wind | 0 | 0 | – |
| 2026-06-13 | Thunderstorm WindMildred, Allen County | 61 kt wind | 0 | 0 | – |
| 2026-06-13 | Thunderstorm WindIola, Allen County | 52 kt wind | 0 | 0 | – |
| 2026-06-13 | Thunderstorm WindLa Harpe, Allen County | 56 kt wind | 0 | 0 | – |
| 2026-06-13 | Thunderstorm WindHumboldt, Allen County | 61 kt wind | 0 | 0 | – |
| 2026-06-13 | Thunderstorm WindHumboldt, Allen County | 61 kt wind | 0 | 0 | – |
| 2026-06-13 | Thunderstorm WindHumboldt, Allen County | 61 kt wind | 0 | 0 | – |
| 2026-04-27 | HailMoran, Allen County | 1.75 in hail | 0 | 0 | – |
| 2026-04-26 | HailIola, Allen County | 1.00 in hail | 0 | 0 | – |
| 2026-04-26 | HailIola, Allen County | 1.00 in hail | 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
| Date | Record | Character | Killed | Injured | Damage |
|---|---|---|---|---|---|
| 2008-12-01 | Winter WeatherAllen County · forecast zone Allen Scattered snow showers produced slick roads across portions of the county to the south of Iola. One accident involved a pickup pulling a travel trailer, that lost control on an icy bridge on Highway 169. The pickup lost control, overturned and caught fire. All 3 passengers were ejected from the pickup. One 34 year old ... | 1 | 2 | $34K | |
| 2008-02-23 | Winter WeatherAllen County · forecast zone Allen A wintry mix of snow, sleet and freezing rain during the afternoon hours of February 23rd eventually changed over to all snow during the evening hours, and accumulated up to 2 inches across Allen County before ending around 11 p.m. Associated slick road conditions led to a fatal car accident (indirect) on Highway 54 ... | 1 | 0 | – | |
| 2006-07-16 | HeatAllen County · forecast zone Allen From July 16-20, a deadly heat wave gripped much of central, south-central and southeast Kansas. Broad high pressure in the mid and upper levels of the atmosphere caused temperatures to soar into the 105-110 degree range, with afternoon heat indices about the same. The cover of darkness provided little in the way of ... | 1 | 0 | – | |
| 2008-12-18 | Winter WeatherAllen County · forecast zone Allen Icy roads due to freezing drizzle and fog during the early morning hours resulted in an injury car accident one-quarter mile south of Arkansas Road on 1200 Street, about 4 miles south of Humboldt. A Humboldt woman lost control of her vehicle while traveling southbound on 1200 Street. She eventually struck a Humboldt ... | 0 | 3 | $34K | |
| 1971-05-31 | TornadoAllen County | F1 2 mi x 300 yd | 0 | 3 | $25K step |
| 2021-06-11 | Thunderstorm WindIola, Allen County A large tree was uprooted with numerous other reports of tree and limbs down. One tree fell on top of a car. | 56 kt wind | 0 | 1 | – |
| 2009-05-08 | Thunderstorm WindPetrolia, Allen County A vehicle was rolled on the Kansas Turnpike near Cassoday. One person was injured (direct). | 61 kt wind | 0 | 1 | $14K |
| 1991-03-26 | TornadoAllen County | F2 8 mi x 100 yd | 0 | 1 | $2.5M 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.
| Date | Record | Character | Killed | Injured | Damage |
|---|---|---|---|---|---|
| 2007-07-01 | Flash FloodIola, Allen County | 0 | 0 | $8.5M | |
| 2009-07-08 | Thunderstorm WindMildred, Allen County | 70 kt wind | 0 | 0 | $1.4M |
| 2016-10-06 | Thunderstorm WindHumboldt, Allen County | 78 kt wind | 0 | 0 | $922K |
| 2003-05-06 | HailHumboldt, Allen County | 1.75 in hail | 0 | 0 | $802K |
| 2016-10-06 | Flash FloodGas, Allen County | 0 | 0 | $615K | |
| 2014-04-02 | HailIola, Allen County | 2.50 in hail | 0 | 0 | $436K |
| 2001-09-07 | Thunderstorm WindHumboldt, Allen County | 70 kt wind | 0 | 0 | $417K |
| 1998-06-29 | Thunderstorm WindMoran, Allen County | 0 | 0 | $362K |
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 $2.5M, in the dollars of the day) holds: March 26, 1991 (tornado, Allen County); March 15, 1982 (tornado, Allen 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 Allen 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).
| Hazard | 1950s | 1960s | 1970s | 1980s | 1990s | 2000s | 2010s | 2020-26 |
|---|---|---|---|---|---|---|---|---|
| Hail | 0 | 2 | 5 | 4 | 21 | 93 | 44 | 27 |
| Severe thunderstorm wind | 1 | 1 | 5 | 2 | 21 | 41 | 42 | 35 |
| Floods | – | – | – | – | 2 | 16 | 35 | 5 |
| Winter storms | – | – | – | – | 1 | 19 | 18 | 13 |
| Drought | – | – | – | – | 0 | 0 | 20 | 19 |
| Tornadoes | 2 | 1 | 4 | 5 | 3 | 10 | 0 | 1 |
Source: NOAA NCEI Storm Events Database, records per calendar decade; zone records from the CZ_TYPE field (Z).
What time of year?
53% of its hail reports since 1964 fell in April and May. The two busiest months are in violet.
The values, month by month
Jan 22 · Feb 26 · Mar 48 · Apr 68 · May 113 · Jun 81 · Jul 66 · Aug 57 · Sep 34 · Oct 21 · Nov 8 · Dec 19 (records).
Source: NOAA NCEI Storm Events Database, records by the month they began.
Federal disaster declarations for Allen County
FEMA's register lists 14 declarations that include Allen County: 10 major disasters, 4 emergencies and 0 fire management assistance declarations. Most were for severe storm (8) and biological (2).
| Declared | Number | Type | Title |
|---|---|---|---|
| 2024-07-15 | DR-4800 | Severe Storm | Severe Storms, Straight-Line Winds, Tornadoes, and Flooding |
| 2023-10-26 | DR-4747 | Severe Storm | Severe Storms, Straight-Line Winds, Tornadoes, and Flooding |
| 2020-03-29 | DR-4504 | Biological | Covid-19 Pandemic |
| 2020-03-13 | EM-3481 | Biological | Covid-19 |
| 2019-06-20 | DR-4449 | Severe Storm | Severe Storms, Straight-Line Winds, Tornadoes, Flooding,Landslides,and Mudslides |
| 2019-05-28 | EM-3412 | Severe Storm | Tornadoes and Flooding |
| 2010-03-09 | DR-1885 | Severe Storm | Severe Winter Storms and Snowstorm |
| 2007-12-12 | EM-3282 | Severe Storm | Severe Winter Storms |
| 2007-07-02 | DR-1711 | Severe Storm | Severe Storms and Flooding |
| 2005-09-10 | EM-3236 | Hurricane | Hurricane Katrina Evacuation |
| 2003-05-06 | DR-1462 | Severe Storm | Severe Storms, Tornadoes, and Flooding |
| 2002-02-06 | DR-1402 | Severe Ice Storm | Severe Winter Ice Storm |
| 1986-10-22 | DR-780 | Flood | Severe Storms & Flooding |
| 1969-07-15 | DR-267 | Tornado | Tornadoes, Severe Storms & 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 Allen County had?
NOAA's Storm Events Database holds 58 flood or flash flood records for Allen County from 1998 to 2023, on 47 days, with 0 deaths. By flood insurance claims since 1978 (OpenFEMA, as of September 8, 2026), Allen County ranks 1352nd of 2,942 U.S. counties.
The National Flood Insurance Program has paid $3.3 million on 91 claims filed in Allen County; the most in one year was 68 in 2007. Claims count insured losses only: uninsured flood damage is not in this file.
The values, year by year
1979: 1 · 1986: 8 · 1994: 5 · 1995: 2 · 2007: 68 · 2018: 2 · 2019: 1 · 2024: 4; 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 Allen County
FEMA's National Risk Index rates Allen County Very Low overall, with an expected annual loss of $7.7 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.
| Hazard | Risk rating | Expected annual loss | Modeled frequency |
|---|---|---|---|
| Winter Weather | Relatively Low | $109K | 9.6 a year (modeled) |
| Ice Storm | Relatively Low | $153K | once in about 3 years (modeled) |
| Drought | Relatively Low | $278K | 17 modeled event-days a year |
| Heat Wave | Relatively Low | $587K | 15 modeled event-days a year |
| Lightning | Relatively Low | $286K | 54 a year (modeled) |
| Strong Wind | Relatively Low | $612K | 5.2 a year (modeled) |
| Hail | Relatively Low | $267K | 6.6 a year (modeled) |
| Tornado | Relatively Low | $868K | once in about 3 years (modeled) |
Source: FEMA National Risk Index, county table, December 2025 release. FEMA's National Risk Index map.
Counties that share a border with Allen County
Source: U.S. Census Bureau county adjacency file; NOAA NCEI Storm Events Database, records since 1950. The Census Bureau's adjacency file.
Next
- Tornadoes in KansasEvery Kansas tornado since 1950 and the counties with the most per square mile
- Hail in KansasThe state's hail reports, by county, year and month
- The Kansas recordEvery hazard in the state, its deadliest events and its federal declarations
- FEMA's risk rating for each hazard in Allen CountyThe hazard risk calculator: 18 hazards beside the county's record
- Download Allen County's FEMA declarations (CSV)14 rows: every declaration that named the county, for your own analysis