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Tornado History

Hancock Tornado History

This county-level tornado history page focuses on Hancock, Illinois. The records below identify 25 tornadoes from 1955 through 2023, including a highest listed rating of F3 (Severe damage). NOAA damage estimates in this group total at least $23.4M, with 0 deaths and 11 injuries recorded across the listed events.

Key Tornado Statistics

Total Tornadoes25
Total Deaths0
Total Injuries11
Property Damage$23.4M
Avg Length4.1 mi
Avg Width101 yd

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Key Tornado Facts for Hancock, Illinois

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

Average 0.4 tornadoes per year (0.3/yr in last decade)
April is the peak tornado month with 9 recorded events
Deadliest tornado: F1 in Hancock, Illinois with 0 deaths
1973 was the most active year with 4 tornadoes
The 1970s had the most tornado activity (6 events)
Longest tornado: 28.4 miles in Hancock, Illinois
Widest tornado: 700.0 yards in Hancock, Illinois
Most tornadoes in one day: 3 on Apr 10, 2008

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, Illinois, April is the most active month with 9 tornadoes.

Annual Tornado Trend

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

4320

Summary: 1973 was the most active year with 4 recorded tornadoes.

Tornado Intensity Distribution

Shows the breakdown of tornadoes by EF/F rating.

F0
EF0
F1
EF1
F2
F3
EFU

Summary: F1 tornadoes are the most common in this group, with 9 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.

$15.0M$1.5M$150K$0

Summary: The highest reported property damage year in this group is 1999 with at least $15.0M in NOAA-listed property damage.

Historical Track Sketch

F3 April 8, 19991999F3 April 13, 19741974F3 September 30, 19731973F2 April 13, 19741974F2 May 10, 20032003F2 March 8, 19901990F1 June 21, 19811981EF1 April 10, 20082008F1 June 30, 19861986F1 June 16, 19901990F1 April 23, 19551955F1 May 9, 19571957F1 June 21, 19811981F1 June 2, 19731973F1 May 8, 1973F1 June 16, 1973EF1 May 22, 2019EF0 April 10, 2008EF0 April 10, 2008EF0 June 2, 2007F0 April 29, 1984F0 June 13, 1990F0 April 8, 1999EF0 October 14, 2017EFU August 6, 2023© 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
April 8, 1999F3Hancock, Illinois7.5 mi200 yd00$15.0M
April 13, 1974F3Hancock, Illinois11 mi700 yd00$2.5M
September 30, 1973F3Hancock, Illinois0 mi33 yd00N/A
April 13, 1974F2Hancock, Illinois4.3 mi500 yd010$2.5M
May 10, 2003F2Hancock, Illinois28.4 mi200 yd00$400K
March 8, 1990F2Hancock, Illinois2 mi33 yd00$250K
June 21, 1981F1Hancock, Illinois0 mi33 yd00$2.5M
April 10, 2008EF1Hancock, Illinois1.6 mi150 yd00$100K
June 30, 1986F1Hancock, Illinois0.3 mi10 yd01$25K
June 16, 1990F1Hancock, Illinois0.1 mi10 yd00$25K
April 23, 1955F1Hancock, Illinois8 mi33 yd00$2K
May 9, 1957F1Hancock, Illinois2.7 mi200 yd00$2K

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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.