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Tornado History

Shell Rock Tornado History

This location page summarizes tornado records that list Shell Rock, Iowa as a begin or end location. The dataset includes 6 matching records from 1998 through 2021. The strongest matching rating is F2 (Considerable damage), the latest matching tornado is July 14, 2021, and minimum reported property damage totals $585K.

Key Tornado Statistics

Total Tornadoes6
Total Deaths0
Total Injuries0
Property Damage$585K
Avg Length4.6 mi
Avg Width163 yd

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Key Tornado Facts for Shell Rock, Iowa

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

Average 0.2 tornadoes per year (0.1/yr in last decade)
June is the peak tornado month with 3 recorded events
Deadliest tornado: F2 in Shell Rock, Iowa with 0 deaths
2014 was the most active year with 2 tornadoes
The 2000s had the most tornado activity (2 events)
Longest tornado: 20.5 miles in Shell Rock, Iowa
Widest tornado: 630.0 yards in Shell Rock, Iowa
Most tornadoes in one day: 1 on Jun 27, 1998

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 Shell Rock, Iowa, June 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.

20

Summary: 2014 was the most active year with 2 recorded tornadoes.

Tornado Intensity Distribution

Shows the breakdown of tornadoes by EF/F rating.

EF0
F1
EF1
F2

Summary: EF0 tornadoes are the most common in this group, with 2 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.

$300K$30K$3K$0

Summary: The highest reported property damage year in this group is 2021 with at least $300K in NOAA-listed property damage.

Historical Track Sketch

F2 June 27, 19981998EF1 July 14, 20212021EF1 June 16, 20142014F1 September 6, 20012001EF0 June 21, 20072007EF0 August 31, 20142014© OpenStreetMap contributors

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
June 27, 1998F2Butler, Iowa20.5 mi75 yd00$10K
July 14, 2021EF1Butler, Iowa3.13 mi630 yd00$300K
June 16, 2014EF1Butler, Iowa2.12 mi120 yd00$200K
September 6, 2001F1Butler, Iowa1.5 mi75 yd00$75K
June 21, 2007EF0Butler, Iowa0.1 mi30 yd00N/A
August 31, 2014EF0Butler, Iowa0.21 mi50 yd00N/A

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Source And Limits

Data source: NOAA/NCEI. TornadoTrace summarizes historical records for screening and research. Coordinates, damage estimates, narratives, and event details can be approximate, incomplete, revised, or missing. Do not use this page as legal, insurance, engineering, real estate, emergency management, or safety advice.