Tornado History Map

Harper County, Kansas tornado history

71 tornadoes recorded in or across Harper County from 1953 to 2025, 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 Harper County

The Storm Prediction Center records 71 tornadoes whose paths touched Harper County, Kansas between 1953 and 2025. None of them is recorded as having killed anyone. The busiest month is May, with 35 tornadoes. The strongest was an F4 on 12 May 2004. The most recent was on 17 June 2025.

  • 71tornadoes
  • 0deaths
  • 1injury
  • 886per 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 Harper County?

RatingTornadoesShare
F0 / EF04158%
F1 / EF11623%
F2 / EF2811%
F3 / EF334%
F4 / EF411%
F5 / EF500%
Unknown rating23%

Harper County tornadoes over time

Tornadoes by decade
Bar chart of tornadoes by period. The most is 24 in 2000s.1950s91960s51970s51980s61990s122000s242010s82020s2

The 2020s only run to 2025, so that bar is for a shorter period. The record starts in 1950.

Show the numbers
PeriodCount
1950s9
1960s5
1970s5
1980s6
1990s12
2000s24
2010s8
2020s2
Tornadoes by month
Bar chart of tornadoes by period. The most is 35 in May.Jan0Feb0Mar6Apr11May35Jun14Jul1Aug0Sep1Oct2Nov0Dec1
Show the numbers
PeriodCount
Jan0
Feb0
Mar6
Apr11
May35
Jun14
Jul1
Aug0
Sep1
Oct2
Nov0
Dec1

Records for Harper County

  • Strongest: Harper, Kansas tornado12 May 2004, F4, 1 injury, 1.2 miles long
  • Longest path: Kansas tornado5 May 1964, F3, 33 miles long
  • Most recent: Kansas tornado17 June 2025, EF0, 0.1 miles long

Notable tornadoes in Harper County

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

More in Kansas

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