Allen County, Ohio

County storm and disaster record · FIPS 39003 · population 102,191 · 403 sq mi

NOAA's Storm Events Database holds 392 records for Allen County, Ohio from 1950 through June 30, 2026, on 291 days; the most frequent are severe thunderstorm wind events (187 records). The deadliest single record is the April 11, 1965 tornado: 11 deaths and 100 injuries. FEMA has issued 10 declarations naming the county since 1965, 8 of them for natural hazards; the latest for a natural hazard was “Severe Storms and Straight-Line Winds” on August 20, 2012.

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
392on 291 days, 1950 to June 30, 2026
Deaths recorded
11135 injuries
Damage, 2025 dollars
$63Mas filed (scale steps before 1993)
Tornadoes
23strongest F4
FEMA declarations
10latest 2020

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 severe thunderstorm wind events: 187 since 1955. 58% of its severe thunderstorm wind events since 1955 fell in June and July. The rank column places the county among Ohio's counties by days with a record per 1,000 square miles of land over each hazard's complete period.

Allen County: records by hazard, 1950 to June 30, 2026
HazardRecordsDaysFirst, lastKilledInjuredDamageRank in state
Severe thunderstorm wind 187 135 1955-2026 0 4 $3.9M 45 of 88
Winter storms 73 73 1996-2026 0 0 $94K 39 of 88
Hail 64 47 1959-2025 0 0 $101K 53 of 88
Tornadoes 23 19 1950-2023 11 131 $57M 19 of 88
High wind and dust storms 22 22 1997-2026 0 0 $23K 39 of 88
Floods 13 13 1996-2020 0 0 $855K 86 of 88
Extreme cold 6 6 1996-2024 0 0 $38K 45 of 88
Lightning 3 2 2006-2006 0 0 $293K 33 of 88
Heavy rain 1 1 2020-2020 0 0 – 68 of 88

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 23 tornadoes in Allen County from 1950 to 2023, the strongest rated F4, with 11 deaths and 131 injuries recorded in the county. That is 19th of 88 Ohio counties by days with tornadoes per 1,000 square miles since 1950. 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 23 tornadoes whose track touched Allen County since 1950 (NOAA's county records number 23, the same count); along their whole tracks they killed 13 people, 11 of them in Allen County.

The deadliest and strongest tornadoes that touched Allen County, whole tracks
DateTornadoRatingPathKilled
1965-04-11 20:30, as SPC files itBlufftonF432.5 mi13
1971-06-02 14:00, as SPC files itBluffton to CareyF331.5 mi0
1950-07-19 15:15, as SPC files itLimaF39.7 mi0

Map of the strongest tornado tracks in Ohio.

Every tornado record filed for Allen County (23)
Every tornado recorded in Allen County, newest first
DatePlaceCharacterKilledInjuredDamage
2023-04-01 Westminster, Allen County EF0 0.62 mi x 50 yd 0 0 $19K
2023-04-01 Westminster, Allen County EF0 0.23 mi x 50 yd 0 0 $10K
2023-04-01 Lafayette, Allen County EF0 0.78 mi x 75 yd 0 0 –
2021-08-11 Landeck, Allen County EF0 3.87 mi x 50 yd 0 0 –
2011-04-19 Spencerville, Allen County EF0 1.94 mi x 100 yd 0 0 –
2011-04-19 Cairo, Allen County EF1 0.71 mi x 100 yd 0 0 –
2010-10-26 Ft Shawnee, Allen County EF0 1.39 mi x 20 yd 0 0 $11K
2010-06-11 Lima, Allen County EF0 0.13 mi x 25 yd 0 0 –
2006-06-22 Beaverdam, Allen County F1 0.1 mi x 50 yd 0 0 $37K
2003-08-26 Lima, Allen County F0 0.1 mi x 10 yd 0 0 $2K
2002-09-20 Delphos, Allen County F1 0.1 mi x 25 yd 0 0 $82K
1998-07-19 Lima, Allen County F0 0.1 mi x 25 yd 0 0 –
1992-02-18 Allen County F0 0.2 mi x 13 yd 0 0 –
1981-06-21 Allen County F1 2.7 mi x 33 yd 0 0 $250K step
1980-04-08 Allen County F1 0.5 mi x 77 yd 0 0 $250K step
1980-04-08 Allen County F1 1 mi x 100 yd 0 1 $250K step
1979-07-30 Allen County F0 0 0 $25K step
1973-06-26 Allen County F0 0.2 mi x 17 yd 0 0 $250 step
1971-06-02 Allen County F3 31.5 mi x 200 yd 0 0 $25K step
1970-08-22 Allen County 0 0 $3K step
1965-05-26 Allen County F1 0 0 $25K step
1965-04-11 Allen County F4 17.8 mi x 400 yd 11 100 $2.5M step
1950-07-19 Allen County F3 9.7 mi x 300 yd 0 30 $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.

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 17, 2026 thunderstorm wind ($30,000 in damage in 2025 dollars).

The 12 most recent records kept for Allen County
DateRecordCharacterKilledInjuredDamage
2026-06-17 Thunderstorm WindBluffton, Allen County 61 kt wind 0 0 $30K
2026-06-17 Thunderstorm WindSpencerville, Allen County 61 kt wind 0 0 $1K
2026-05-19 Thunderstorm WindAllentown, Allen County 52 kt wind 0 0 $1K
2026-03-13 High WindAllen County · forecast zone Allen 64 kt wind 0 0 –
2026-01-24 Winter StormAllen County · forecast zone Allen 0 0 –
2026-01-14 Winter WeatherAllen County · forecast zone Allen 0 0 –
2025-11-29 Winter WeatherAllen County · forecast zone Allen 0 0 –
2025-06-18 Thunderstorm WindLima, Allen County 61 kt wind 0 0 $20K
2025-06-18 Thunderstorm WindKemp, Allen County 61 kt wind 0 0 $50K
2025-05-16 Thunderstorm WindHarrod, Allen County 61 kt wind 0 0 $1K
2025-05-16 Thunderstorm WindDelphos, Allen County 61 kt wind 0 0 $10K
2025-04-02 Thunderstorm WindAllen Co Airport, Allen County 55 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 Allen County, most deaths first
DateRecordCharacterKilledInjuredDamage
1965-04-11 TornadoAllen County F4 17.8 mi x 400 yd 11 100 $2.5M step
1950-07-19 TornadoAllen County F3 9.7 mi x 300 yd 0 30 $2.5M step
2006-06-22 Thunderstorm WindLima, Allen County Widespread tree and power line damage throughout the city of Lima. Along a strech of Shawnee Rd. from Fort Amanda Rd. to Reed Rd., every power pole and traffic signal was blown over, completely blocking the road. The roof of an automotive shop at Jackson St. and Findlay Rd. collapsed. Numerous homes and businesses ... 70 kt wind 0 2 $293K
2008-06-09 Thunderstorm WindLima, Allen County Emergency management officials reported that part of a wall from a building fell onto a man walking by, causing minor injuries. 60 kt wind 0 1 –
1989-07-27 Thunderstorm WindAllen County 0 1 –
1980-04-08 TornadoAllen County F1 1 mi x 100 yd 0 1 $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.

The costliest records in Allen County since 1993, damage in 2025 dollars
DateRecordCharacterKilledInjuredDamage
2006-06-22 Thunderstorm WindLima, Allen County 70 kt wind 0 0 $2.3M
2006-06-22 Thunderstorm WindLima, Allen County 70 kt wind 0 2 $293K
2002-09-20 TornadoDelphos, Allen County F1 0.1 mi x 25 yd 0 0 $82K
2006-06-22 Thunderstorm WindLima, Allen County 70 kt wind 0 0 $73K
2006-06-22 TornadoBeaverdam, Allen County F1 0.1 mi x 50 yd 0 0 $37K
2026-06-17 Thunderstorm WindBluffton, Allen County 61 kt wind 0 0 $30K
2006-06-22 Thunderstorm WindLima, Allen County 70 kt wind 0 0 $29K
2025-06-18 Thunderstorm WindLima, Allen County 61 kt wind 0 0 $20K

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: April 11, 1965 (tornado, Allen County, 11 killed); July 19, 1950 (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).

Allen County: records per decade (the 2020s to June 30, 2026)
Hazard1950s1960s1970s1980s1990s2000s2010s2020-26
Severe thunderstorm wind2481834484528
Winter storms––––4183912
Hail120111211198
Tornadoes12432344
High wind and dust storms––––1966
Floods––––4351

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

What time of year?

58% of its severe thunderstorm wind events since 1955 fell in June and July. The two busiest months are in violet.

The values, month by month

Jan 27 · Feb 33 · Mar 30 · Apr 33 · May 49 · Jun 73 · Jul 73 · Aug 26 · Sep 11 · Oct 5 · Nov 14 · Dec 18 (records).

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

Federal disaster declarations for Allen County

FEMA's register lists 10 declarations that include Allen County: 6 major disasters, 4 emergencies and 0 fire management assistance declarations. Most were for severe storm (5) and biological (2).

Declarations including Allen County, newest first
DeclaredNumberTypeTitle
2020-03-31DR-4507BiologicalCovid-19 Pandemic
2020-03-13EM-3457BiologicalCovid-19
2012-08-20DR-4077Severe StormSevere Storms and Straight-Line Winds
2012-06-30EM-3346Severe StormSevere Storms
2007-08-27DR-1720Severe StormSevere Storms, Flooding, and Tornadoes
2005-09-13EM-3250HurricaneHurricane Katrina Evacuation
2005-02-15DR-1580Severe StormSevere Winter Storms, Flooding, and Mudslides
2004-09-19DR-1556Severe StormSevere Storms and Flooding
1978-01-26EM-3055SnowstormBlizzards & Snowstorms
1965-04-14DR-191TornadoTornadoes & Severe Storms

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 13 flood or flash flood records for Allen County from 1996 to 2020, on 13 days, with 0 deaths. By flood insurance claims since 1978 (OpenFEMA, as of September 8, 2026), Allen County ranks 815th of 2,942 U.S. counties.

The National Flood Insurance Program has paid $4.1 million on 259 claims filed in Allen County; the most in one year was 47 in 2015. Claims count insured losses only: uninsured flood damage is not in this file.

The values, year by year

1978: 3 · 1979: 10 · 1980: 2 · 1981: 26 · 1982: 4 · 1984: 1 · 1986: 4 · 1988: 1 · 1989: 1 · 1990: 2 · 1992: 9 · 1997: 10 · 2003: 1 · 2004: 2 · 2005: 3 · 2006: 1 · 2007: 25 · 2008: 10 · 2009: 7 · 2011: 33 · 2013: 5 · 2014: 1 · 2015: 47 · 2016: 3 · 2017: 11 · 2018: 3 · 2019: 27 · 2020: 2 · 2021: 1 · 2022: 2 · 2023: 2; 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 Relatively Low overall, with an expected annual loss of $31.9 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 Allen County (December 2025 release), by FEMA's rating, then score
HazardRisk ratingExpected annual lossModeled frequency
Riverine FloodingRelatively Moderate$23Monce in about 3 years (modeled)
Strong WindRelatively Moderate$1.4M3.1 a year (modeled)
HailRelatively Moderate$834K3.3 a year (modeled)
Winter WeatherRelatively Moderate$192K9.9 a year (modeled)
Ice StormRelatively Moderate$356Kabout once a year (modeled)
TornadoRelatively Moderate$3.0Monce in about 4 years (modeled)
EarthquakeRelatively Low$2.3Monce in about 539 years (modeled)
LightningRelatively Low$291K42 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 Allen County

  1. Auglaize County 555
  2. Hancock County 516
  3. Van Wert County 473
  4. Putnam County 400
  5. Allen County 392
  6. Hardin County 364

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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