Brown County, Ohio tornadoes

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27confirmed tornadoes since NOAA records began in 1950 (the first here in 1961). Most recent: April 2, 2025, EF0. 2026 so far: 3 preliminary reports preliminary

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Recent warnings in Brown 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

Total271950 to 2025
Per year0.4average since 1950
Peak monthApril9 of 27
StrongestF4Apr 23, 1968
Deaths10whole paths, see note
Injuries411whole paths, see note

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

Seasons

When tornadoes hit here

By month

90 Jan: 0Feb: 1Mar: 3Apr: 9May: 4Jun: 3Jul: 4Aug: 1Sep: 0Oct: 0Nov: 2Dec: 0JanFebMarAprMayJunJulAugSepOctNovDec

April is the peak month, with 9 of 27 tornadoes.

By time of day

50 12 AM: 0: 0: 03 AM: 0: 0: 06 AM: 1: 1: 09 AM: 1: 0: 012 PM: 2: 2: 03 PM: 4: 3: 56 PM: 1: 1: 39 PM: 1: 0: 212 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM

Most often around 5:00 PM. Times as recorded by NOAA, mostly Central Standard Time.

By year, 1950 to 2025

30 1950: 0: 0: 0: 0: 0: 0: 0: 0: 0: 01960: 0: 2: 0: 0: 0: 0: 0: 0: 2: 01970: 0: 0: 0: 1: 1: 0: 0: 1: 1: 01980: 0: 0: 0: 0: 0: 0: 1: 0: 0: 01990: 0: 0: 1: 0: 0: 0: 0: 0: 0: 02000: 1: 0: 0: 0: 1: 1: 0: 1: 0: 02010: 1: 1: 1: 0: 0: 0: 1: 0: 2: 12020: 3: 0: 2: 0: 0: 119501960197019801990200020102020

The line is the five-year average. Tornadoes before about 1953 were under-reported, and better radar since the 1990s finds more weak ones. This year so far: 3 preliminary reports.

By rating

EF0
13
EF1
10
EF2
1
EF3
1
EF4
2

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

F4, April 23, 1968

6 deaths, 364 injuries Strongest

F4, April 23, 1968

78.7 mile path Longest path

78.7 miles, F4

April 23, 1968, whole path Widest

550 yards, F4

April 23, 1968
Every tornado

All 27 tornadoes, newest first

DateRatingPath lengthWidthDeathsInjuries
Apr 2, 2025EF07.88 mi250 yd00
Jul 6, 2022EF13.34 mi250 yd00
Jun 8, 2022EF02.1 mi80 yd00
Apr 8, 2020EF00.88 mi50 yd00
Apr 8, 2020EF02.4 mi50 yd00
Apr 8, 2020EF08.8 mi200 yd00
Jun 24, 2019EF05.73 mi75 yd00
May 21, 2018EF01.85 mi75 yd00
Feb 24, 2018EF14.9 mi300 yd00
Aug 17, 2016EF01 mi100 yd00
Mar 2, 2012EF320.41 mi440 yd313
Jun 27, 2011EF11.58 mi100 yd00
May 21, 2010EF14.27 mi50 yd00
Apr 26, 2007EF00.5 mi50 yd00
Nov 6, 2005F00.1 mi25 yd00
May 27, 2004F12 mi167 yd00
Jul 4, 2000F00.1 mi50 yd00
Nov 22, 1992F11 mi60 yd00
Mar 10, 1986F26 mi143 yd00
Jul 2, 1978F00.7 mi33 yd01
Apr 2, 1977F01 mi220 yd00
Apr 3, 1974F14.1 mi100 yd00
Jul 26, 1973F10.1 mi10 yd00
Apr 23, 1968F424.1 mi300 yd133
Apr 23, 1968F478.7 mi550 yd6364
This year

2026 preliminary reports not yet confirmed

Report dateLocationRating
Aug 11, 20264 WNW WinchesterNot yet rated
Aug 11, 20265 SSE FayettevilleNot yet rated
Jul 21, 20262 S HamersvilleNot yet rated

Preliminary reports from the Storm Prediction Center. One tornado can be reported more than once, and NOAA confirms the final record months later.

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.