Portal:Tornadoes/Anniversaries/December 13

December 13
 * 1973 – A tornado outbreak affected the Southeastern United States with the greatest impacts in South Carolina including five strong tornadoes in Greenwood and Newberry Counties. An F4 tornado (rated F3 by Thomas P. Grazulis) killed two workers at a factory in Ninety Six, South Carolina. An F3 tornado injured 26 people as it traveled from Greenwood, South Carolina to Ninety Six. An F3 tornado caused significant damage in Gainesville, Georgia, which had previously been devastated by tornadoes in 1903 and 1936.
 * 1977 – An F3 tornado touched down in northeastern Houston, Texas, destroying 12 homes, 18 trailers, and 13 businesses with hundreds more damaged. One person was killed while trying to flee in a pickup truck and 40 others were injured. An F0 tornado also briefly touched down in Houston.
 * 1984 – An F3 tornado damaged about 600 homes in Balch Springs, Mesquite, and Garland, Texas, with the worst damage in Mesquite. Twenty-eight people were injured. The fast motion of the tornado resulted in damage occurring almost exclusively on the right side of the vortex.