Tornado History Map

Iosco County, Michigan tornado history

13 tornadoes recorded in or across Iosco County from 1953 to 2014, 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 Iosco County

The Storm Prediction Center records 13 tornadoes whose paths touched Iosco County, Michigan between 1953 and 2014. They killed 4 people and injured 14. The busiest month is June, with 6 tornadoes. The strongest was an F3 on 27 March 1991. The most recent was on 17 June 2014.

  • 13tornadoes
  • 4deaths
  • 14injuries
  • 237per 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 Iosco County?

RatingTornadoesShare
F0 / EF0323%
F1 / EF1754%
F2 / EF218%
F3 / EF3215%
F4 / EF400%
F5 / EF500%
Unknown rating00%

Iosco County tornadoes over time

Tornadoes by decade
Bar chart of tornadoes by period. The most is 4 in 1980s.1950s11970s31980s41990s32010s2

The 2010s only run to 2014, so that bar is for a shorter period. The record starts in 1950.

Show the numbers
PeriodCount
1950s1
1970s3
1980s4
1990s3
2010s2
Tornadoes by month
Bar chart of tornadoes by period. The most is 6 in Jun.Jan0Feb0Mar3Apr0May1Jun6Jul0Aug3Sep0Oct0Nov0Dec0
Show the numbers
PeriodCount
Jan0
Feb0
Mar3
Apr0
May1
Jun6
Jul0
Aug3
Sep0
Oct0
Nov0
Dec0

Records for Iosco County

  • Deadliest: Tawas City, Michigan tornado8 June 1953, F2, 4 deaths, 13 injuries, 16.6 miles long
  • Strongest and Longest path: Michigan tornado27 March 1991, F3, 35 miles long
  • Most recent: Michigan tornado17 June 2014, EF1, 1.6 miles long

Notable tornadoes in Iosco 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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