Delaware County, Ohio tornadoes

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15confirmed tornadoes since NOAA records began in 1950 (the first here in 1958). Most recent: June 5, 2024, EF0. 2026 so far: 0 preliminary reports preliminary

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Recent warnings in Delaware County

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Map

Every tornado path in the county

Tornado paths, 1950 to 2025
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(E)F0(E)F1(E)F2(E)F3(E)F4(E)F5Unrated

Each path is a straight line from where the tornado started to where it ended, which is all most NOAA records hold. Tap a path for its details.

The record

At a glance

Total151950 to 2025
Per year0.2average since 1950
Peak monthApril3 of 15
StrongestF2Apr 11, 1965
Deaths4whole paths, see note
Injuries65whole paths, see note

Deaths and injuries are NOAA's totals for each tornado's whole path, which can extend beyond Delaware County.

Seasons

When tornadoes hit here

By month

30 Jan: 0Feb: 1Mar: 2Apr: 3May: 1Jun: 2Jul: 0Aug: 3Sep: 3Oct: 0Nov: 0Dec: 0JanFebMarAprMayJunJulAugSepOctNovDec

April is the peak month, with 3 of 15 tornadoes.

By time of day

40 12 AM: 0: 0: 03 AM: 0: 0: 06 AM: 0: 0: 09 AM: 0: 0: 012 PM: 1: 1: 13 PM: 3: 1: 06 PM: 4: 1: 09 PM: 0: 1: 212 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM

Most often around 6:00 PM. Times as recorded by NOAA, mostly Central Standard Time.

By year, 1950 to 2025

40 1950: 0: 0: 0: 0: 0: 0: 0: 0: 1: 01960: 0: 0: 0: 0: 0: 1: 0: 0: 0: 01970: 0: 0: 0: 1: 0: 0: 0: 0: 1: 01980: 0: 0: 0: 0: 0: 0: 0: 0: 0: 01990: 0: 0: 0: 0: 0: 0: 0: 1: 0: 02000: 1: 0: 0: 0: 0: 0: 0: 0: 0: 02010: 1: 0: 0: 1: 1: 0: 1: 0: 0: 02020: 1: 0: 0: 0: 4: 019501960197019801990200020102020

The line is the five-year average. Tornadoes before about 1953 were under-reported, and better radar since the 1990s finds more weak ones.

By rating

EF0
7
EF1
4
EF2
4

Ratings before February 2007 use the original F scale; the numbers line up with today's EF scale. Unknown means NOAA could not assign a rating.

The record

Notable tornadoes

Deadliest

F2, April 11, 1965

4 deaths, 62 injuries Strongest

F2, April 11, 1965

22.2 mile path Longest path

35.38 miles, EF1

March 14, 2024, whole path Widest

600 yards, EF2

March 14, 2024
Every tornado

All 15 tornadoes, newest first

DateRatingPath lengthWidthDeathsInjuries
Jun 5, 2024EF00.25 mi50 yd00
Apr 17, 2024EF10.9 mi100 yd00
Mar 14, 2024EF135.38 mi600 yd00
Mar 14, 2024EF219.48 mi600 yd00
Sep 7, 2020EF03.21 mi150 yd00
Aug 20, 2016EF03.3 mi100 yd00
Feb 20, 2014EF00.13 mi80 yd00
Jun 12, 2013EF00.21 mi50 yd00
Sep 16, 2010EF00.12 mi100 yd00
Sep 20, 2000F221 mi100 yd02
Aug 17, 1997F00.5 mi100 yd00
Apr 19, 1978F19.5 mi10 yd00
May 8, 1973F217.3 mi67 yd00
Apr 11, 1965F222.2 mi400 yd462
Aug 14, 1958F10.1 mi10 yd01
Cities

Cities in Delaware County

Each city page counts every tornado path within 10 miles of the city, including paths just over the county line.

Nearby

Nearby counties

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Source: NOAA Storm Prediction Center severe weather database, 1950 to 2025, and SPC preliminary reports for 2026. Page built October 12, 2026.