Tornado History

Hancock Tornado History

This county-level tornado history page focuses on Hancock, Iowa. The records below identify 27 tornadoes from 1951 through 2025, including a highest listed rating of F4 (Devastating damage). NOAA damage estimates in this group total at least $11.9M, with 0 deaths and 11 injuries recorded across the listed events.

Key Tornado Statistics

Total Tornadoes27
Total Deaths0
Total Injuries11
Property Damage$11.9M
Avg Length3.8 mi
Avg Width88 yd

Key Tornado Facts for Hancock, Iowa

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

Average 0.4 tornadoes per year (0.3/yr in last decade)
June is the peak tornado month with 10 recorded events
Deadliest tornado: F2 in Hancock, Iowa with 0 deaths
1984 was the most active year with 3 tornadoes
The 1990s had the most tornado activity (7 events)
Longest tornado: 19.5 miles in Hancock, Iowa
Widest tornado: 500.0 yards in Hancock, Iowa
Most tornadoes in one day: 3 on Jun 18, 1994

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 Hancock, Iowa, June is the most active month with 10 tornadoes.

Annual Tornado Trend

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

3210

Summary: 1984 was the most active year with 3 recorded tornadoes.

Tornado Intensity Distribution

Shows the breakdown of tornadoes by EF/F rating.

F0
EF0
F1
F2
F4
EFU

Summary: F2 tornadoes are the most common in this group, with 8 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.

$5.2M$525K$52K$0

Summary: The highest reported property damage year in this group is 1984 with at least $5.2M in NOAA-listed property damage.

Historical Track Sketch

F4 May 10, 19531953F2 April 30, 19671967F2 September 20, 19801980F2 June 7, 19841984F2 June 7, 19841984F2 May 9, 19631963F2 May 17, 19821982F2 September 26, 19731973F2 June 25, 19511951F1 June 18, 19941994F1 July 14, 19841984F1 April 23, 19901990F1 June 15, 19971997F1 September 26, 19731973F1 June 27, 1980F1 May 29, 1957EF0 April 12, 2022F0 June 18, 1994F0 June 18, 1994EF0 December 15, 2021F0 June 6, 1999F0 June 8, 1999F0 August 26, 2002F0 July 14, 2003F0 May 1, 2004EF0 July 16, 2010EFU July 28, 2025© OpenStreetMap contributors
This map covers the wider location—not your exact property.Measure the closest recorded track to a street address in or near Hancock, Iowa.
Measure distance free

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
May 10, 1953F4Hancock, Iowa6.4 mi33 yd03$250K
April 30, 1967F2Hancock, Iowa4.3 mi300 yd00$2.5M
September 20, 1980F2Hancock, Iowa19.3 mi33 yd00$2.5M
June 7, 1984F2Hancock, Iowa14 mi150 yd00$2.5M
June 7, 1984F2Hancock, Iowa5 mi127 yd00$2.5M
May 9, 1963F2Hancock, Iowa13.1 mi400 yd00$250K
May 17, 1982F2Hancock, Iowa2 mi80 yd00$250K
September 26, 1973F2Hancock, Iowa1 mi50 yd00$25K
June 25, 1951F2Hancock, Iowa0.8 mi500 yd08N/A
June 18, 1994F1Hancock, Iowa1 mi50 yd00$500K
July 14, 1984F1Hancock, Iowa2 mi20 yd00$250K
April 23, 1990F1Hancock, Iowa0.5 mi50 yd00$250K
Did any of these records occur near a property you care about?Use an exact street address for a property-centered preview around Hancock, Iowa.
Check a Hancock, Iowa address

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.

Terms · Privacy