Carroll County, Iowa tornadoes

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37confirmed tornadoes since NOAA records began in 1950 (the first here in 1957). Most recent: August 5, 2023, EFU. 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 Carroll County

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The record

At a glance

Total371950 to 2025
Per year0.5average since 1950
Peak monthAugust11 of 37
StrongestF4May 27, 1995
Deaths0whole paths, see note
Injuries1whole paths, see note

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

Seasons

When tornadoes hit here

By month

110 Jan: 0Feb: 0Mar: 0Apr: 1May: 10Jun: 6Jul: 5Aug: 11Sep: 0Oct: 1Nov: 1Dec: 2JanFebMarAprMayJunJulAugSepOctNovDec

August is the peak month, with 11 of 37 tornadoes.

By time of day

130 12 AM: 0: 0: 03 AM: 0: 0: 06 AM: 0: 0: 09 AM: 0: 0: 212 PM: 0: 2: 43 PM: 0: 1: 46 PM: 13: 3: 39 PM: 4: 0: 112 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

60 1950: 0: 0: 0: 0: 0: 0: 0: 1: 0: 01960: 1: 0: 0: 0: 1: 0: 0: 0: 0: 01970: 0: 1: 2: 0: 1: 0: 1: 0: 0: 01980: 1: 0: 0: 1: 0: 0: 0: 0: 0: 01990: 0: 0: 0: 1: 0: 3: 1: 0: 2: 02000: 0: 1: 1: 0: 0: 0: 0: 2: 2: 02010: 0: 1: 0: 0: 6: 3: 0: 0: 0: 02020: 0: 2: 1: 1: 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
17
EF1
10
EF2
6
EF4
2
Unknown
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

Strongest

F4, May 27, 1995

36 mile path Longest path

36 miles, F4

May 27, 1995, whole path Widest

700 yards, EF1

May 10, 2015
Every tornado

All 37 tornadoes, newest first

DateRatingPath lengthWidthDeathsInjuries
Aug 5, 2023EFU0.32 mi25 yd00
Jul 7, 2022EFU0.36 mi20 yd00
Dec 15, 2021EF19.65 mi80 yd00
Dec 15, 2021EF217.6 mi100 yd00
Nov 11, 2015EF01.49 mi40 yd00
Oct 23, 2015EF03.52 mi45 yd00
May 10, 2015EF123.34 mi700 yd00
Aug 31, 2014EF05.64 mi100 yd00
Aug 31, 2014EF00.77 mi60 yd00
Aug 31, 2014EF01.58 mi200 yd00
Aug 31, 2014EF00.7 mi80 yd00
Aug 31, 2014EF02.64 mi140 yd00
Aug 31, 2014EF04.96 mi90 yd00
Jun 26, 2011EF12.37 mi100 yd00
Jul 19, 2008EF17.79 mi100 yd00
May 29, 2008EF14.1 mi100 yd00
Aug 28, 2007EF016.19 mi50 yd00
Aug 28, 2007EF00.1 mi30 yd00
Apr 17, 2002F00.5 mi40 yd00
Jun 18, 2001F00.2 mi30 yd00
Jul 6, 1998F00.2 mi30 yd00
May 28, 1998F00.2 mi30 yd00
Jul 16, 1996F00.2 mi25 yd00
May 27, 1995F222.5 mi100 yd00
May 27, 1995F430 mi250 yd01
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.