Tornado History

Dayton Tornado History

This location page summarizes tornado records that list Dayton, Iowa as a begin or end location. The dataset includes 10 matching records from 1998 through 2021. The strongest matching rating is F2 (Considerable damage), the latest matching tornado is December 15, 2021, and minimum reported property damage totals $772K.

Key Tornado Statistics

Total Tornadoes10
Total Deaths0
Total Injuries0
Property Damage$772K
Avg Length2.8 mi
Avg Width114 yd

Key Tornado Facts for Dayton, Iowa

Top local patterns from the historical tornado records in this group.

Average 0.4 tornadoes per year (0.4/yr in last decade)
December is the peak tornado month with 3 recorded events
Deadliest tornado: F0 in Dayton, Iowa with 0 deaths
2021 was the most active year with 3 tornadoes
The 2000s had the most tornado activity (3 events)
Longest tornado: 6.7 miles in Dayton, Iowa
Widest tornado: 570.0 yards in Dayton, Iowa
Most tornadoes in one day: 3 on Dec 15, 2021

Monthly Distribution

Shows tornado frequency across months of the year, highlighting seasonal patterns and peak tornado periods.

January
February
March
April
May
June
July
August
September
October
November
December

Summary: In Dayton, Iowa, December is the most active month with 3 tornadoes.

Annual Tornado Trend

Shows year-by-year tornado counts, making active years and quiet stretches easier to spot.

3210

Summary: 2021 was the most active year with 3 recorded tornadoes.

Tornado Intensity Distribution

Shows the breakdown of tornadoes by EF/F rating.

F0
EF0
EF1
F2
EF2
EFU

Summary: F0 tornadoes are the most common in this group, with 3 recorded events.

Property Damage Trends

Visualizes reported property damage over time. Bars use a log-like scale so very large damage years do not flatten the rest of the chart.

$450K$45K$4K$0

Summary: The highest reported property damage year in this group is 2005 with at least $450K in NOAA-listed property damage.

Historical Track Sketch

F2 November 12, 20052005EF2 December 15, 20212021EF1 August 31, 20142014EF1 March 6, 20172017F0 April 11, 20012001EF0 August 31, 20142014F0 April 6, 19981998F0 June 11, 20042004EFU December 15, 20212021EFU December 15, 20212021© OpenStreetMap contributors
This map covers the wider location—not your exact property.Measure the closest recorded track to a street address in or near Dayton, Iowa.
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Notable Tornado Records

The table highlights the strongest and most damaging records in this page's local dataset. Damage totals are NOAA-reported minimum estimates where available.

DateRatingAreaLengthWidthDeathsInjuriesMin. property damage
November 12, 2005F2Webster, Iowa6.7 mi150 yd00$450K
December 15, 2021EF2Webster, Iowa4 mi90 yd00$20K
August 31, 2014EF1Webster, Iowa5.33 mi100 yd00$200K
March 6, 2017EF1Webster, Iowa2.87 mi50 yd00$70K
April 11, 2001F0Webster, Iowa0.2 mi25 yd00$30K
August 31, 2014EF0Webster, Iowa6.42 mi570 yd00$2K
April 6, 1998F0Webster, Iowa0.1 mi25 yd00$200
June 11, 2004F0Webster, Iowa0.3 mi25 yd00N/A
December 15, 2021EFUWebster, Iowa1.03 mi60 yd00N/A
December 15, 2021EFUWebster, Iowa1.21 mi50 yd00N/A
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Source And Limits

Data sourced from NOAA Storm Prediction Center and the NCEI Storm Events Database. TornadoTrace summarizes reported weather events for screening and research; it is not a damage assessment, inspection, or insurance determination. Coordinates and records can be approximate, incomplete, revised, or missing. No warranty of completeness or accuracy.

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