Severe Weather History


Hazard archive · 1950 — present

Tornado in Plymouth County, Iowa

52

Recorded events

0

Direct deaths

5

Direct injuries

$14.4M

Property damage

Tornado in Plymouth County, Iowa: 52 recorded events between 1951 and 2024. The strongest on record measured F3. That places the county #352 nationally and #11 statewide for this hazard.

Decade by decade

Tornado in Plymouth County, Iowa: events per decade

Tornado in Plymouth County, Iowa: recorded events per decade
Tornado in Plymouth County, Iowa: recorded events per decade

Reporting practice changed over time — early decades are undercounted, not calmer.

The busiest decade for tornado in Plymouth County is the 1960s, when 12 of the county's 52 recorded events were logged. Comparing decades is useful for spotting active periods, but the earliest years are thin because systematic reporting for this hazard began later.

Within the Plymouth County archive, tornado makes up 7.5% of all recorded severe weather across 8 hazard types. Nationally the county sits at #352 for this hazard and #11 within Iowa, putting it in the 88.1 percentile of all U.S. counties.

Seasonality

Events by month

0Jan
0Feb
1Mar
5Apr
7May
16Jun
9Jul
5Aug
3Sep
5Oct
0Nov
1Dec

Jun is the peak month for tornado in Plymouth County with 16 recorded events, while Jan is the quietest. Seasonality here is a property of the archive as much as the climate: reports cluster where population and spotter networks are densest.

Tornado tracks

Paths crossing this county

DateScalePath lengthMax widthOrigin
1967-06-14EF36.2 mi500 ydTouched down here
1965-06-07EF311.5 mi100 ydTouched down here
1964-05-05EF367.0 mi300 ydCrossed in
1964-05-08EF39.3 mi200 ydTouched down here
1994-06-12EF217.5 mi370 ydTouched down here
1991-08-07EF28.0 mi80 ydTouched down here
1991-08-07EF21.5 mi63 ydTouched down here
1978-07-05EF220.8 mi30 ydCrossed in
1970-07-14EF21.0 mi100 ydTouched down here
1967-06-14EF21.0 mi100 ydTouched down here
Source: NOAA SPC SVRGIS tornado tracks · path geometry intersected with county boundaries

Significant events

Deadliest on record

DateLocationScaleDeathsInjuriesDamage
Jun 15, 1967F303$250K
Jun 9, 1963F202$25K
Source: NOAA/NCEI Storm Events · dates UTC

Most recent

Latest recorded events

DateLocationMagnitudeDamage
Apr 16, 2024STRUBLEEF1$0
Apr 16, 2024WEST LE MARSEFU$0
Apr 16, 2024HINTONEFU$0
Dec 15, 2021KINGSLEYEF1$50K
May 28, 2016KINGSLEYEF0$0
Oct 23, 2015HINTONEF0$1K
Oct 4, 2013ADAVILLEEF0$0
Oct 4, 2013MILLNERVILLEEF1$0
Oct 4, 2013MILLNERVILLEEF0$0
Jun 21, 2011O LEARYEF0$20K
Source: NOAA/NCEI Storm Events · dates UTC · recent entries may be preliminary

Other hazards here

More from Plymouth County

County overview →

From the record

What the reports say

Written by National Weather Service staff at the time of the event · public domain

Quick answers

Frequently asked

How many tornado events are on record in Plymouth County, Iowa?

52 tornado events are recorded in Plymouth County between 1951 and 2024, causing 0 direct deaths.

What is the strongest tornado recorded in Plymouth County?

The strongest tornado on record in Plymouth County measured F3.

Where does the tornado data for Plymouth County come from?

All events come from the NOAA/NCEI Storm Events Database, the federal public-domain archive of severe weather reports. Dates are UTC, damage is as reported and not inflation-adjusted, and the most recent entries may still be revised.

Cite this page

“Tornado in Plymouth County, Iowa.” Severe Weather History. severeweatherhistory.com/county/iowa/plymouth-county/tornado/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.


Historical reference only — for official alerts visit weather.gov