Tornado History
Brown Tornado History
This county-level tornado history page focuses on Brown, Illinois. The records below identify 10 tornadoes from 1955 through 2023, including a highest listed rating of F2 (Considerable damage). NOAA damage estimates in this group total at least $2.8M, with 0 deaths and 22 injuries recorded across the listed events.
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Key Tornado Statistics
Key Tornado Facts for Brown, Illinois
Top local patterns from the historical tornado records in this group.
Average 0.1 tornadoes per year (0.2/yr in last decade)
October is the peak tornado month with 2 recorded events
Deadliest tornado: F1 in Brown, Illinois with 0 deaths
1959 was the most active year with 2 tornadoes
The 1950s had the most tornado activity (4 events)
Longest tornado: 18.8 miles in Brown, Illinois
Widest tornado: 900.0 yards in Brown, Illinois
Most tornadoes in one day: 1 on Dec 3, 1955
Monthly Distribution
Shows tornado frequency across months of the year, highlighting seasonal patterns and peak tornado periods.
Summary: In Brown, Illinois, October is the most active month with 2 tornadoes.
Annual Tornado Trend
Shows year-by-year tornado counts, making active years and quiet stretches easier to spot.
Summary: 1959 was the most active year with 2 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 1966 with at least $2.5M 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 Brown, 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 |
|---|---|---|---|---|---|---|---|
| October 14, 1966 | F2 | Brown, Illinois | 1 mi | 100 yd | 0 | 20 | $2.5M |
| April 27, 1956 | F2 | Brown, Illinois | 4.9 mi | 900 yd | 0 | 0 | $25K |
| March 26, 1959 | F2 | Brown, Illinois | 3 mi | 200 yd | 0 | 0 | $25K |
| May 10, 2003 | F2 | Brown, Illinois | 13 mi | 300 yd | 0 | 0 | N/A |
| September 26, 1959 | F1 | Brown, Illinois | 18.8 mi | 33 yd | 0 | 0 | $250K |
| December 3, 1955 | F1 | Brown, Illinois | 12.5 mi | 100 yd | 0 | 0 | $25K |
| August 12, 1999 | F1 | Brown, Illinois | 0.5 mi | 75 yd | 0 | 0 | $20K |
| February 28, 2017 | EF1 | Brown, Illinois | 0.66 mi | 50 yd | 0 | 1 | N/A |
| October 13, 2023 | EF1 | Brown, Illinois | 0.42 mi | 25 yd | 0 | 1 | N/A |
| June 2, 2009 | EF0 | Brown, Illinois | 1.13 mi | 50 yd | 0 | 0 | N/A |
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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.