Tornado History Map

Carroll County, Iowa tornado history

37 tornadoes recorded in or across Carroll County from 1957 to 2023, coloured by rating on the map.

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Years1950 to 2025
Rating (F or EF scale)

Shows tornadoes that started in, or crossed, the chosen state. To see how many have passed near you, search a town or ZIP code, or tap the map.

Key
  • F0 / EF0 Light damage
  • F1 / EF1 Moderate damage
  • F2 / EF2 Considerable damage
  • F3 / EF3 Severe damage
  • F4 / EF4 Devastating damage
  • F5 / EF5 Incredible damage
  • Unknown Not rated (2007 onwards)

How to read the lines. Each line is one tornado, drawn from where it started to where it ended, coloured and sized by its rating. A dot means the record has no end point. Tap a line for its details, or tap anywhere else to see how many tornadoes have passed nearby. Weaker tornadoes appear as you zoom in. Ratings use the Fujita (F) scale before 1 February 2007 and the Enhanced Fujita (EF) scale from then on.

Tornadoes in Carroll County

The Storm Prediction Center records 37 tornadoes whose paths touched Carroll County, Iowa between 1957 and 2023. None of them is recorded as having killed anyone. The busiest month is August, with 11 tornadoes. The strongest was an F4 on 27 May 1995. The most recent was on 5 August 2023.

  • 37tornadoes
  • 0deaths
  • 1injury
  • 650per 10,000 sq mi of land

A tornado that crossed several counties counts in each one, so county counts add up to more than the state's.

How strong were the tornadoes in Carroll County?

RatingTornadoesShare
F0 / EF01746%
F1 / EF11027%
F2 / EF2616%
F3 / EF300%
F4 / EF425%
F5 / EF500%
Unknown rating25%

Carroll County tornadoes over time

Tornadoes by decade
Bar chart of tornadoes by period. The most is 10 in 2010s.1950s11960s21970s51980s21990s72000s62010s102020s4

The 2020s only run to 2023, so that bar is for a shorter period. The record starts in 1950.

Show the numbers
PeriodCount
1950s1
1960s2
1970s5
1980s2
1990s7
2000s6
2010s10
2020s4
Tornadoes by month
Bar chart of tornadoes by period. The most is 11 in Aug.Jan0Feb0Mar0Apr1May10Jun6Jul5Aug11Sep0Oct1Nov1Dec2
Show the numbers
PeriodCount
Jan0
Feb0
Mar0
Apr1
May10
Jun6
Jul5
Aug11
Sep0
Oct1
Nov1
Dec2

Records for Carroll County

Notable tornadoes in Carroll County

Many of these tornadoes killed or injured people. The numbers are the official record's, and they may be revised.

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