Tornado History

Knox Tornado History

This county-level tornado history page focuses on Knox, Nebraska. The records below identify 46 tornadoes from 1950 through 2013, including a highest listed rating of EF3 (Severe damage). NOAA damage estimates in this group total at least $5.7M, with 1 deaths and 107 injuries recorded across the listed events.

Key Tornado Statistics

Total Tornadoes46
Total Deaths1
Total Injuries107
Property Damage$5.7M
Avg Length3.2 mi
Avg Width95 yd

Key Tornado Facts for Knox, Nebraska

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

Average 0.7 tornadoes per year (0.0/yr in last decade)
May is the peak tornado month with 20 recorded events
Deadliest tornado: F2 in Knox, Nebraska with 1 deaths
2007 was the most active year with 7 tornadoes
The 1990s had the most tornado activity (12 events)
Longest tornado: 35 miles in Knox, Nebraska
Widest tornado: 590.0 yards in Knox, Nebraska
Most tornadoes in one day: 7 on May 5, 2007

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 Knox, Nebraska, May is the most active month with 20 tornadoes.

Annual Tornado Trend

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

7530

Summary: 2007 was the most active year with 7 recorded tornadoes.

Tornado Intensity Distribution

Shows the breakdown of tornadoes by EF/F rating.

F0
EF0
F1
EF1
F2
EF2
EF3
Unknown

Summary: F0 tornadoes are the most common in this group, with 18 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.

$2.5M$252K$25K$0

Summary: The highest reported property damage year in this group is 1985 with at least $2.5M in NOAA-listed property damage.

Historical Track Sketch

EF3 October 4, 20132013F2 April 20, 19851985EF2 May 5, 20072007F2 May 30, 19591959F2 June 13, 19501950F2 June 21, 19751975F1 April 25, 19941994F1 October 16, 19801980F1 October 16, 19801980F1 June 21, 19811981F1 May 15, 19921992F1 May 15, 19921992F1 May 30, 19591959F1 June 11, 19761976F1 April 20, 1985F1 May 15, 1992F1 May 15, 1992F1 June 22, 1977EF1 May 5, 2007EF1 March 23, 2009F0 June 9, 1971F0 May 6, 1975F0 May 3, 1999EF0 May 5, 2007F0 August 6, 1956F0 May 18, 1960F0 May 18, 1960F0 May 10, 1986F0 June 28, 1986F0 August 1, 1972F0 June 22, 1984F0 April 25, 1994F0 June 19, 1996F0 October 26, 1996F0 July 6, 1998F0 May 3, 1999F0 May 3, 1999F0 June 9, 2003F0 July 15, 2004EF0 May 5, 2007EF0 May 5, 2007EF0 May 5, 2007EF0 May 5, 2007EF0 April 15, 2012EF0 April 15, 2012Unknown June 22, 1968© OpenStreetMap contributors
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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.

DateRatingAreaLengthWidthDeathsInjuriesMin. property damage
October 4, 2013EF3Knox, Nebraska6.43 mi590 yd00N/A
April 20, 1985F2Knox, Nebraska35 mi440 yd00$2.5M
May 5, 2007EF2Knox, Nebraska5.5 mi500 yd03$1.0M
May 30, 1959F2Knox, Nebraska9.3 mi33 yd12$250K
June 13, 1950F2Knox, Nebraska4.1 mi33 yd0101$25K
June 21, 1975F2Knox, Nebraska0.5 mi50 yd00$2K
April 25, 1994F1Knox, Nebraska7 mi200 yd01$500K
October 16, 1980F1Knox, Nebraska2.3 mi33 yd00$250K
October 16, 1980F1Knox, Nebraska0.3 mi100 yd00$250K
June 21, 1981F1Knox, Nebraska0.5 mi40 yd00$250K
May 15, 1992F1Knox, Nebraska1 mi80 yd00$250K
May 15, 1992F1Knox, Nebraska1 mi80 yd00$250K
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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.

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