Miami County, Ohio tornadoes

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36 confirmed tornadoes since NOAA records began in 1950 (the first here in 1955). Most recent: March 14, 2024, EF3. 2026 so far: 1 preliminary report preliminary

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Every tornado path in the county

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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.

At a glance

Total361950 to 2025
Per year0.5average since 1950
Peak monthMay11 of 36
StrongestEF3Mar 14, 2024
Deaths1whole paths, see note
Injuries42whole paths, see note

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

When tornadoes hit here

By month

110 Jan: 2Feb: 0Mar: 5Apr: 2May: 11Jun: 10Jul: 5Aug: 0Sep: 0Oct: 1Nov: 0Dec: 0JanFebMarAprMayJunJulAugSepOctNovDec

May is the peak month, with 11 of 36 tornadoes.

By time of day

60 12 AM: 1: 0: 03 AM: 1: 0: 06 AM: 0: 0: 19 AM: 0: 0: 212 PM: 1: 0: 23 PM: 2: 5: 66 PM: 2: 1: 49 PM: 6: 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

40 1950: 0: 0: 0: 0: 0: 1: 0: 0: 0: 11960: 0: 2: 0: 0: 0: 0: 0: 0: 0: 01970: 0: 0: 0: 0: 0: 0: 0: 0: 1: 01980: 0: 0: 2: 0: 1: 0: 0: 0: 0: 21990: 0: 0: 2: 1: 0: 0: 0: 0: 0: 22000: 0: 0: 0: 1: 1: 0: 0: 0: 0: 02010: 0: 1: 0: 1: 0: 0: 1: 2: 1: 42020: 3: 0: 2: 3: 1: 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. This year so far: 1 preliminary reports.

By rating

EF0
18
EF1
12
EF2
4
EF3
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.

Notable tornadoes

Deadliest

EF3, March 14, 2024

1 deaths, 39 injuries Strongest

EF3, March 14, 2024

41.34 mile path Longest path

41.34 miles, EF3

March 14, 2024, whole path Widest

1,320 yards, EF3

May 27, 2019

All 36 tornadoes, newest first

DateRatingPath lengthWidthDeathsInjuries
Mar 14, 2024EF341.34 mi700 yd139
Jun 11, 2023EF00.6 mi150 yd00
Mar 31, 2023EF03.97 mi250 yd00
Mar 31, 2023EF012.78 mi250 yd00
Jul 23, 2022EF11.8 mi200 yd00
Jun 8, 2022EF213.75 mi150 yd00
Jun 9, 2020EF00.5 mi75 yd00
Jan 11, 2020EF06.34 mi175 yd00
Jan 11, 2020EF03.1 mi350 yd00
May 27, 2019EF03.05 mi50 yd00
May 27, 2019EF01.07 mi50 yd00
May 27, 2019EF05.59 mi200 yd00
May 27, 2019EF310.49 mi1,320 yd01
May 30, 2018EF00.1 mi30 yd00
May 24, 2017EF11.91 mi160 yd00
May 24, 2017EF14.11 mi300 yd00
Mar 14, 2016EF00.68 mi60 yd00
Oct 31, 2013EF00.3 mi30 yd00
May 14, 2011EF00.05 mi10 yd00
Jul 3, 2004F00.1 mi30 yd00
Apr 4, 2003F00.1 mi10 yd00
Jul 9, 1999F00.3 mi50 yd00
Apr 9, 1999F13.5 mi100 yd00
Jun 30, 1993F27 mi20 yd00
Jun 18, 1992F14 mi33 yd00

2026 preliminary reports not yet confirmed

Report dateLocationRating
Aug 15, 20263 N FletcherNot 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 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.