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Tornado History

St. Tammany Tornado History

This county-level tornado history page focuses on St. Tammany, Louisiana. The records below identify 65 tornadoes from 1957 through 2026, including a highest listed rating of EF3 (Severe damage). NOAA damage estimates in this group total at least $6.3M, with 0 deaths and 12 injuries recorded across the listed events.

Key Tornado Statistics

Total Tornadoes65
Total Deaths0
Total Injuries12
Property Damage$6.3M
Avg Length2.9 mi
Avg Width87 yd

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Key Tornado Facts for St. Tammany, Louisiana

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

Average 0.9 tornadoes per year (2.7/yr in last decade)
April is the peak tornado month with 12 recorded events
Deadliest tornado: F1 in St. Tammany, Louisiana with 0 deaths
2024 was the most active year with 6 tornadoes
The 2020s had the most tornado activity (19 events)
Longest tornado: 15.64 miles in St. Tammany, Louisiana
Widest tornado: 500.0 yards in St. Tammany, Louisiana
Most tornadoes in one day: 4 on Apr 10, 2024

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 St. Tammany, Louisiana, April is the most active month with 12 tornadoes.

Annual Tornado Trend

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

6420

Summary: 2024 was the most active year with 6 recorded tornadoes.

Tornado Intensity Distribution

Shows the breakdown of tornadoes by EF/F rating.

F0
EF0
F1
EF1
F2
EF2
EF3

Summary: EF0 tornadoes are the most common in this group, with 17 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$253K$25K$0

Summary: The highest reported property damage year in this group is 1988 with at least $2.5M in NOAA-listed property damage.

Historical Track Sketch

EF3 May 26, 20112011EF2 April 10, 20242024F2 November 24, 20042004EF2 March 9, 20112011F2 September 11, 19611961F2 October 4, 19641964F2 November 20, 19741974EF2 February 7, 20172017EF2 April 10, 20242024F1 April 2, 19881988F1 November 13, 19571957EF1 March 9, 20112011EF1 March 9, 20112011EF1 April 11, 20132013F1 November 6, 2000EF1 May 15, 2008F1 November 11, 2002EF1 December 28, 2024F1 September 3, 1988F1 August 26, 1992F1 October 3, 2002EF1 August 29, 2021EF1 March 27, 2009EF1 March 22, 2022F1 August 4, 1974F1 August 26, 1992F1 December 18, 1995EF1 April 3, 2017EF1 April 3, 2017EF1 May 14, 2020EF1 April 19, 2020EF1 November 26, 2022EF1 April 10, 2024EF1 April 10, 2024EF1 March 15, 2025EF1 February 15, 2026EF0 September 2, 2008EF0 August 29, 2021EF0 December 6, 2021F0 December 28, 1983F0 December 11, 1985F0 November 16, 1987F0 October 3, 2002EF0 September 2, 2008F0 August 23, 2000EF0 December 27, 2024EF0 March 21, 2012EF0 March 21, 2012F0 September 16, 1988EF0 October 27, 2021EF0 March 26, 2009F0 October 7, 1982F0 January 7, 1998F0 April 13, 1980F0 April 14, 1996F0 April 3, 2000F0 July 22, 2000EF0 February 23, 2016EF0 February 23, 2016EF0 January 2, 2017EF0 May 12, 2017EF0 November 1, 2018EF0 May 18, 2021EF0 December 14, 2022EF0 March 30, 2022© 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
May 26, 2011EF3St. Tammany, Louisiana6.06 mi150 yd04$400K
April 10, 2024EF2St. Tammany, Louisiana10.98 mi350 yd00$1.0M
November 24, 2004F2St. Tammany, Louisiana4 mi50 yd04$750K
March 9, 2011EF2St. Tammany, Louisiana1.86 mi250 yd00$300K
September 11, 1961F2St. Tammany, Louisiana4.3 mi100 yd02$25K
October 4, 1964F2St. Tammany, Louisiana1 mi183 yd00$25K
November 20, 1974F2St. Tammany, Louisiana7.1 mi33 yd00$25K
February 7, 2017EF2St. Tammany, Louisiana2.04 mi500 yd00N/A
April 10, 2024EF2St. Tammany, Louisiana6.92 mi300 yd00N/A
April 2, 1988F1St. Tammany, Louisiana1.7 mi60 yd00$2.5M
November 13, 1957F1St. Tammany, Louisiana2 mi100 yd00$250K
March 9, 2011EF1St. Tammany, Louisiana11 mi300 yd00$100K

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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.