Palo Alto County, Iowa tornado history

28 tornadoes recorded in or across Palo Alto County from 1953 to 2021, 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 Palo Alto County

The Storm Prediction Center records 28 tornadoes whose paths touched Palo Alto County, Iowa between 1953 and 2021. None of them is recorded as having killed anyone. The busiest month is June, with 13 tornadoes. The strongest was an F3 on 10 June 1977. The most recent was on 15 December 2021.

  • 28tornadoes
  • 0deaths
  • 2injuries
  • 497per 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 Palo Alto County?

RatingTornadoesShare
F0 / EF0725%
F1 / EF11139%
F2 / EF2932%
F3 / EF314%
F4 / EF400%
F5 / EF500%
Unknown rating00%

Palo Alto County tornadoes over time

Tornadoes by decade
Bar chart of tornadoes by period. The most is 8 in 1970s.1950s41960s31970s81980s41990s42000s32010s12020s1

The 2020s only run to 2021, so that bar is for a shorter period. The record starts in 1950.

Show the numbers
PeriodCount
1950s4
1960s3
1970s8
1980s4
1990s4
2000s3
2010s1
2020s1
Tornadoes by month
Bar chart of tornadoes by period. The most is 13 in Jun.Jan0Feb0Mar0Apr2May1Jun13Jul7Aug2Sep1Oct1Nov0Dec1
Show the numbers
PeriodCount
Jan0
Feb0
Mar0
Apr2
May1
Jun13
Jul7
Aug2
Sep1
Oct1
Nov0
Dec1

Records for Palo Alto County

  • Strongest: Iowa tornado10 June 1977, F3, 14.9 miles long
  • Longest path: Iowa tornado7 June 1953, F2, 49.2 miles long
  • Most recent: Iowa tornado15 December 2021, EF1, 11.2 miles long

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

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