Union County, South Carolina tornado history

22 tornadoes recorded in or across Union County from 1957 to 2024, coloured by rating on the map.

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Years1950 to 2025
Rating (F or EF scale)

Shows tornadoes that started in, or crossed, the chosen state. To see how many have passed near you, search a town or ZIP code, or tap the map.

Key
  • F0 / EF0 Light damage
  • F1 / EF1 Moderate damage
  • F2 / EF2 Considerable damage
  • F3 / EF3 Severe damage
  • F4 / EF4 Devastating damage
  • F5 / EF5 Incredible damage
  • Unknown Not rated (2007 onwards)

How to read the lines. Each line is one tornado, drawn from where it started to where it ended, coloured and sized by its rating. A dot means the record has no end point. Tap a line for its details, or tap anywhere else to see how many tornadoes have passed nearby. Weaker tornadoes appear as you zoom in. Ratings use the Fujita (F) scale before 1 February 2007 and the Enhanced Fujita (EF) scale from then on.

Tornadoes in Union County

The Storm Prediction Center records 22 tornadoes whose paths touched Union County, South Carolina between 1957 and 2024. They killed 1 person and injured 5. The busiest month is April, with 5 tornadoes. The strongest was an F3 on 16 August 1994. The most recent was on 29 December 2024.

  • 22tornadoes
  • 1death
  • 5injuries
  • 428per 10,000 sq mi of land

A tornado that crossed several counties counts in each one, so county counts add up to more than the state's.

How strong were the tornadoes in Union County?

RatingTornadoesShare
F0 / EF01255%
F1 / EF1627%
F2 / EF2314%
F3 / EF315%
F4 / EF400%
F5 / EF500%
Unknown rating00%

Union County tornadoes over time

Tornadoes by decade
Bar chart of tornadoes by period. The most is 8 in 1990s.1950s11980s11990s82000s52010s42020s3

The 2020s only run to 2024, so that bar is for a shorter period. The record starts in 1950.

Show the numbers
PeriodCount
1950s1
1980s1
1990s8
2000s5
2010s4
2020s3
Tornadoes by month
Bar chart of tornadoes by period. The most is 5 in Apr.Jan0Feb0Mar0Apr5May1Jun4Jul1Aug4Sep1Oct1Nov2Dec3
Show the numbers
PeriodCount
Jan0
Feb0
Mar0
Apr5
May1
Jun4
Jul1
Aug4
Sep1
Oct1
Nov2
Dec3

Records for Union County

  • Deadliest: South Carolina tornado3 April 2017, EF1, 1 death, 0.7 miles long
  • Strongest: South Carolina tornado16 August 1994, F3, 30 miles long
  • Longest path: South Carolina tornado16 August 1994, F1, 30 miles long
  • Most recent: South Carolina tornado29 December 2024, EF0, 2.2 miles long

Many of these tornadoes killed or injured people. The numbers are the official record's, and they may be revised.

More in South Carolina

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