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Tornado History

Union Tornado History

This county-level tornado history page focuses on Union, Illinois. The records below identify 22 tornadoes from 1955 through 2025, including a highest listed rating of F3 (Severe damage). NOAA damage estimates in this group total at least $6.2M, with 1 deaths and 9 injuries recorded across the listed events.

Key Tornado Statistics

Total Tornadoes22
Total Deaths1
Total Injuries9
Property Damage$6.2M
Avg Length3.6 mi
Avg Width112 yd

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Key Tornado Facts for Union, Illinois

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

Average 0.3 tornadoes per year (0.5/yr in last decade)
May is the peak tornado month with 6 recorded events
Deadliest tornado: F3 in Union, Illinois with 1 deaths
2014 was the most active year with 3 tornadoes
The 2010s had the most tornado activity (7 events)
Longest tornado: 16.79 miles in Union, Illinois
Widest tornado: 400.0 yards in Union, Illinois
Most tornadoes in one day: 3 on Apr 3, 2014

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 Union, Illinois, May is the most active month with 6 tornadoes.

Annual Tornado Trend

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

3210

Summary: 2014 was the most active year with 3 recorded tornadoes.

Tornado Intensity Distribution

Shows the breakdown of tornadoes by EF/F rating.

F0
EF0
F1
EF1
F2
EF2
F3

Summary: EF1 tornadoes are the most common in this group, with 6 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.

$5.0M$500K$50K$0

Summary: The highest reported property damage year in this group is 2002 with at least $5.0M in NOAA-listed property damage.

Historical Track Sketch

F3 April 28, 20022002F3 May 21, 19571957F2 November 16, 19551955EF2 February 29, 20122012F2 February 16, 19761976F2 January 21, 19991999EF1 May 25, 20112011EF1 January 11, 20202020EF1 May 20, 20252025EF1 May 31, 20182018EF1 May 26, 20242024EF1 January 29, 20082008F1 October 18, 20042004F1 March 4, 19551955EF0 March 1, 2007EF0 April 3, 2014EF0 April 3, 2014EF0 April 3, 2014EF0 May 31, 2018F0 August 9, 1969F0 January 21, 1999F0 June 2, 1973© 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 28, 2002F3Union, Illinois16 mi400 yd18$5.0M
May 21, 1957F3Union, Illinois8.5 mi200 yd00$250K
November 16, 1955F2Union, Illinois4.5 mi150 yd00$250K
February 29, 2012EF2Union, Illinois16.79 mi300 yd00$100K
February 16, 1976F2Union, Illinois1 mi33 yd01$25K
January 21, 1999F2Union, Illinois1 mi200 yd00$20K
May 25, 2011EF1Union, Illinois2 mi125 yd00$150K
January 11, 2020EF1Union, Illinois0.86 mi50 yd00$80K
May 20, 2025EF1Union, Illinois1.8 mi50 yd00$80K
May 31, 2018EF1Union, Illinois3.11 mi150 yd00$70K
May 26, 2024EF1Union, Illinois2.24 mi100 yd00$28K
January 29, 2008EF1Union, Illinois1.65 mi100 yd00$10K

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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.