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Tornado History

Delavan Tornado History

This location page summarizes tornado records that list Delavan, Illinois as a begin or end location. The dataset includes 3 matching records from 1999 through 2017. The strongest matching rating is EF2 (Considerable damage), the latest matching tornado is March 7, 2017, and minimum reported property damage totals $1.3M.

Key Tornado Statistics

Total Tornadoes3
Total Deaths0
Total Injuries2
Property Damage$1.3M
Avg Length2.6 mi
Avg Width217 yd

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Key Tornado Facts for Delavan, Illinois

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 1 recorded events
Deadliest tornado: F1 in Delavan, Illinois with 0 deaths
1999 was the most active year with 1 tornadoes
The 2010s had the most tornado activity (2 events)
Longest tornado: 2.8 miles in Delavan, Illinois
Widest tornado: 250.0 yards in Delavan, Illinois
Most tornadoes in one day: 1 on Jun 4, 1999

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 Delavan, Illinois, June is the most active month with 1 tornadoes.

Annual Tornado Trend

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

10

Summary: 1999 was the most active year with 1 recorded tornadoes.

Tornado Intensity Distribution

Shows the breakdown of tornadoes by EF/F rating.

F1
EF2

Summary: EF2 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.

$1.2M$120K$12K$0

Summary: The highest reported property damage year in this group is 2015 with at least $1.2M in NOAA-listed property damage.

Historical Track Sketch

EF2 July 16, 20152015EF2 March 7, 20172017F1 June 4, 19991999© 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
July 16, 2015EF2Tazewell, Illinois2.39 mi250 yd02$1.2M
March 7, 2017EF2Tazewell, Illinois2.8 mi200 yd00$120K
June 4, 1999F1Tazewell, Illinois2.5 mi200 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.