Hamilton County, Ohio tornadoes

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18confirmed tornadoes since NOAA records began in 1950 (the first here in 1954). Most recent: April 8, 2020, EF0. 2026 so far: 0 preliminary reports preliminary

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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.

Recent warnings

Recent warnings in Hamilton County

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The record

At a glance

Total181950 to 2025
Per year0.2average since 1950
Peak monthApril6 of 18
StrongestF5Apr 3, 1974
Deaths13whole paths, see note
Injuries638whole paths, see note

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

Seasons

When tornadoes hit here

By month

60 Jan: 0Feb: 1Mar: 1Apr: 6May: 1Jun: 3Jul: 2Aug: 1Sep: 1Oct: 2Nov: 0Dec: 0JanFebMarAprMayJunJulAugSepOctNovDec

April is the peak month, with 6 of 18 tornadoes.

By time of day

30 12 AM: 0: 0: 13 AM: 1: 1: 36 AM: 1: 0: 09 AM: 0: 0: 012 PM: 0: 0: 13 PM: 3: 2: 16 PM: 0: 0: 39 PM: 1: 0: 012 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM

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

By year, 1950 to 2025

20 1950: 0: 0: 0: 0: 1: 0: 1: 0: 1: 01960: 0: 0: 0: 0: 0: 0: 0: 0: 0: 11970: 0: 0: 0: 0: 2: 1: 0: 2: 0: 01980: 1: 0: 0: 0: 0: 0: 0: 0: 0: 01990: 1: 0: 0: 0: 0: 0: 0: 0: 0: 22000: 0: 0: 0: 0: 0: 0: 0: 0: 1: 02010: 0: 0: 0: 0: 0: 0: 1: 1: 0: 02020: 2: 0: 0: 0: 0: 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
5
EF1
5
EF2
2
EF3
2
EF4
3
EF5
1

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 9, 1999

4 deaths, 65 injuries Strongest

F5, April 3, 1974

20.8 mile path Longest path

33 miles, F4

June 2, 1990, whole path Widest

1,350 yards, F4

June 2, 1990
Every tornado

All 18 tornadoes, newest first

DateRatingPath lengthWidthDeathsInjuries
Apr 8, 2020EF03.3 mi350 yd00
Apr 8, 2020EF06.2 mi300 yd00
Mar 1, 2017EF01.05 mi350 yd00
Jul 13, 2016EF00.71 mi150 yd00
Jun 4, 2008EF01.85 mi50 yd00
Apr 9, 1999F410 mi270 yd465
Apr 9, 1999F10.8 mi100 yd00
Jun 2, 1990F433 mi1,350 yd037
Jun 2, 1980F16.2 mi70 yd015
Oct 1, 1977F10.5 mi100 yd00
Oct 1, 1977F30.7 mi150 yd017
Sep 11, 1975F14.1 mi100 yd00
Apr 3, 1974F419.8 mi350 yd239
Apr 3, 1974F520.8 mi533 yd3210
Aug 9, 1969F322.2 mi400 yd4247
Jul 11, 1958F20.1 mi10 yd08
Feb 25, 1956F20.5 mi100 yd00
May 2, 1954F10.1 mi167 yd00
Cities

Cities in Hamilton 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 13, 2026.