Tornado History Map

Harper County, Oklahoma tornado history

35 tornadoes recorded in or across Harper County from 1960 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 35 tornadoes whose paths touched Harper County, Oklahoma between 1960 and 2025. None of them is recorded as having killed anyone. The busiest month is May, with 11 tornadoes. The strongest was an EF3 on 23 May 2019. The most recent was on 8 September 2025.

  • 35tornadoes
  • 0deaths
  • 7injuries
  • 337per 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 / EF01131%
F1 / EF11234%
F2 / EF2514%
F3 / EF339%
F4 / EF400%
F5 / EF500%
Unknown rating411%

Harper County tornadoes over time

Tornadoes by decade
Bar chart of tornadoes by period. The most is 7 in 1990s.1960s61970s31980s41990s72000s62010s72020s2

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

Show the numbers
PeriodCount
1960s6
1970s3
1980s4
1990s7
2000s6
2010s7
2020s2
Tornadoes by month
Bar chart of tornadoes by period. The most is 11 in May.Jan0Feb1Mar3Apr8May11Jun8Jul0Aug0Sep2Oct1Nov1Dec0
Show the numbers
PeriodCount
Jan0
Feb1
Mar3
Apr8
May11
Jun8
Jul0
Aug0
Sep2
Oct1
Nov1
Dec0

Records for Harper County

  • Strongest: Texas tornado23 May 2019, EF3, 15.7 miles long
  • Longest path: Oklahoma tornado16 November 2015, EF2, 27.2 miles long
  • Most recent: Oklahoma tornado8 September 2025, Unknown rating, 0.1 miles long

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

More in Oklahoma

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