Harrison County, Missouri tornado history

29 tornadoes recorded in or across Harrison County from 1956 to 2017, 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 Harrison County

The Storm Prediction Center records 29 tornadoes whose paths touched Harrison County, Missouri between 1956 and 2017. They killed 8 people and injured 81. The busiest month is May, with 11 tornadoes. The strongest was an F4 on 7 June 1984. The most recent was on 28 June 2017.

  • 29tornadoes
  • 8deaths
  • 81injuries
  • 401per 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 Harrison County?

RatingTornadoesShare
F0 / EF01138%
F1 / EF11034%
F2 / EF2310%
F3 / EF3310%
F4 / EF427%
F5 / EF500%
Unknown rating00%

Harrison County tornadoes over time

Tornadoes by decade
Bar chart of tornadoes by period. The most is 10 in 2000s.1950s31960s61970s21980s31990s32000s102010s2

The 2010s only run to 2017, so that bar is for a shorter period. The record starts in 1950.

Show the numbers
PeriodCount
1950s3
1960s6
1970s2
1980s3
1990s3
2000s10
2010s2
Tornadoes by month
Bar chart of tornadoes by period. The most is 11 in May.Jan0Feb0Mar1Apr5May11Jun8Jul0Aug0Sep2Oct1Nov1Dec0
Show the numbers
PeriodCount
Jan0
Feb0
Mar1
Apr5
May11
Jun8
Jul0
Aug0
Sep2
Oct1
Nov1
Dec0

Records for Harrison County

Notable tornadoes in Harrison 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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