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Tornado History
Union Tornado History
This county-level tornado history page focuses on Union, South Carolina. The records below identify 19 tornadoes from 1957 through 2024, including a highest listed rating of F2 (Considerable damage). NOAA damage estimates in this group total at least $6.6M, with 1 deaths and 4 injuries recorded across the listed events.
Key Tornado Statistics
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Check any addressKey Tornado Facts for Union, South Carolina
Top local patterns from the historical tornado records in this group.
Average 0.3 tornadoes per year (0.6/yr in last decade)
April is the peak tornado month with 5 recorded events
Deadliest tornado: EF1 in Union, South Carolina with 1 deaths
2017 was the most active year with 3 tornadoes
The 1990s had the most tornado activity (5 events)
Longest tornado: 15.2 miles in Union, South Carolina
Widest tornado: 600.0 yards in Union, South Carolina
Most tornadoes in one day: 3 on Dec 29, 2024
Monthly Distribution
Shows tornado frequency across months of the year, highlighting seasonal patterns and peak tornado periods.
Summary: In Union, South Carolina, April is the most active month with 5 tornadoes.
Annual Tornado Trend
Shows year-by-year tornado counts, making active years and quiet stretches easier to spot.
Summary: 2017 was the most active year with 3 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 1993 with at least $5.0M in NOAA-listed property damage.
Historical Track Sketch
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 |
|---|---|---|---|---|---|---|---|
| April 15, 1993 | F2 | Union, South Carolina | 6 mi | 600 yd | 0 | 2 | $5.0M |
| April 8, 1957 | F2 | Union, South Carolina | 15.2 mi | 100 yd | 0 | 2 | $25K |
| April 10, 2009 | EF1 | Union, South Carolina | 3.86 mi | 350 yd | 0 | 0 | $400K |
| April 3, 2017 | EF1 | Union, South Carolina | 0.74 mi | 150 yd | 1 | 0 | $50K |
| September 7, 2004 | F1 | Union, South Carolina | 4 mi | 225 yd | 0 | 0 | $50K |
| June 6, 1998 | F1 | Union, South Carolina | 2 mi | 50 yd | 0 | 0 | N/A |
| May 25, 2000 | F1 | Union, South Carolina | 1 mi | 20 yd | 0 | 0 | N/A |
| November 16, 2011 | EF0 | Union, South Carolina | 0.09 mi | 50 yd | 0 | 0 | $1.0M |
| August 17, 1985 | F0 | Union, South Carolina | 3 mi | 30 yd | 0 | 0 | $25K |
| June 4, 1992 | F0 | Union, South Carolina | 0.1 mi | 40 yd | 0 | 0 | $25K |
| October 8, 2017 | EF0 | Union, South Carolina | 0.21 mi | 200 yd | 0 | 0 | $10K |
| June 4, 1992 | F0 | Union, South Carolina | 0.1 mi | 23 yd | 0 | 0 | $2K |
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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.