Tornado History
Hancock Tornado History
This county-level tornado history page focuses on Hancock, Illinois. The records below identify 31 tornadoes from 1955 through 2026, including a highest listed rating of F3 (Severe damage). NOAA damage estimates in this group total at least $24.6M, with 0 deaths and 11 injuries recorded across the listed events.
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Key Tornado Statistics
Key Tornado Facts for Hancock, Illinois
Top local patterns from the historical tornado records in this group.
Average 0.4 tornadoes per year (0.5/yr in last decade)
April is the peak tornado month with 15 recorded events
Deadliest tornado: F1 in Hancock, Illinois with 0 deaths
1973 was the most active year with 4 tornadoes
The 1990s had the most tornado activity (9 events)
Longest tornado: 28.4 miles in Hancock, Illinois
Widest tornado: 700.0 yards in Hancock, Illinois
Most tornadoes in one day: 4 on Apr 30, 1997
Monthly Distribution
Shows tornado frequency across months of the year, highlighting seasonal patterns and peak tornado periods.
Summary: In Hancock, Illinois, April is the most active month with 15 tornadoes.
Annual Tornado Trend
Shows year-by-year tornado counts, making active years and quiet stretches easier to spot.
Summary: 1973 was the most active year with 4 recorded tornadoes.
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.
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
This map covers the wider location—not your exact property.Measure the closest recorded track to a street address in or near Hancock, Illinois.
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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.
| Date | Rating | Area | Length | Width | Deaths | Injuries | Min. property damage |
|---|---|---|---|---|---|---|---|
| April 8, 1999 | F3 | Hancock, Illinois | 7.5 mi | 200 yd | 0 | 0 | $15.0M |
| April 13, 1974 | F3 | Hancock, Illinois | 11 mi | 700 yd | 0 | 0 | $2.5M |
| September 30, 1973 | F3 | Hancock, Illinois | 0 mi | 33 yd | 0 | 0 | N/A |
| April 13, 1974 | F2 | Hancock, Illinois | 4.3 mi | 500 yd | 0 | 10 | $2.5M |
| May 10, 2003 | F2 | Hancock, Illinois | 28.4 mi | 200 yd | 0 | 0 | $400K |
| March 8, 1990 | F2 | Hancock, Illinois | 2 mi | 33 yd | 0 | 0 | $250K |
| June 21, 1981 | F1 | Hancock, Illinois | 0 mi | 33 yd | 0 | 0 | $2.5M |
| April 30, 1997 | F1 | Hancock, Illinois | 0.5 mi | 20 yd | 0 | 0 | $400K |
| April 10, 2008 | EF1 | Hancock, Illinois | 1.6 mi | 150 yd | 0 | 0 | $100K |
| June 30, 1986 | F1 | Hancock, Illinois | 0.3 mi | 10 yd | 0 | 1 | $25K |
| June 16, 1990 | F1 | Hancock, Illinois | 0.1 mi | 10 yd | 0 | 0 | $25K |
| April 23, 1955 | F1 | Hancock, Illinois | 8 mi | 33 yd | 0 | 0 | $2K |
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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.