Tornado History Map

Pocahontas County, Iowa tornado history

53 tornadoes recorded in or across Pocahontas County from 1953 to 2024, 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 Pocahontas County

The Storm Prediction Center records 53 tornadoes whose paths touched Pocahontas County, Iowa between 1953 and 2024. They killed 3 people and injured 44. The busiest month is May, with 16 tornadoes. The strongest was an F4 on 28 June 1979. The most recent was on 31 May 2024.

  • 53tornadoes
  • 3deaths
  • 44injuries
  • 918per 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 Pocahontas County?

RatingTornadoesShare
F0 / EF01223%
F1 / EF11426%
F2 / EF21223%
F3 / EF324%
F4 / EF436%
F5 / EF500%
Unknown rating1019%

Pocahontas County tornadoes over time

Tornadoes by decade
Bar chart of tornadoes by period. The most is 14 in 2020s.1950s41960s21970s31980s81990s92000s32010s102020s14

The 2020s only run to 2024, so that bar is for a shorter period. The record starts in 1950.

Show the numbers
PeriodCount
1950s4
1960s2
1970s3
1980s8
1990s9
2000s3
2010s10
2020s14
Tornadoes by month
Bar chart of tornadoes by period. The most is 16 in May.Jan0Feb0Mar0Apr14May16Jun14Jul3Aug3Sep0Oct1Nov0Dec2
Show the numbers
PeriodCount
Jan0
Feb0
Mar0
Apr14
May16
Jun14
Jul3
Aug3
Sep0
Oct1
Nov0
Dec2

Records for Pocahontas County

  • Deadliest and Strongest: Palmer, Iowa tornado28 June 1979, F4, 3 deaths, 26 injuries, 14.9 miles long
  • Longest path: Iowa tornado7 June 1953, F2, 49.2 miles long
  • Most recent: Iowa tornado31 May 2024, Unknown rating, 0.4 miles long

Notable tornadoes in Pocahontas County

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

More in Iowa

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