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On April 29–30, 1924, an outbreak of at least 28 tornadoes—26 of which were significant, meaning F2 or stronger—affected the Southern United States. The tornadoes left 114 dead and at least 1,166 injured, mostly in the Carolinas, with 76 deaths in South Carolina alone, along with 16 in Georgia and 13 in Alabama. Killer tornadoes touched down from Oklahoma and Arkansas to Virginia. The deadliest tornado of the outbreak was a long-lived tornado family that produced F4 damage in rural portions of South Carolina, killing 53 people and injuring at least 534. The tornado is the deadliest ever recorded in South Carolina and is one of the longest-tracked observed in the state, having traveled 105 miles (169 km); some sources list a total path length of 135 mi (217 km), including the segment in Florence County, but this is now believed to have been a separate, F3 tornado.

Confirmed tornadoes

April 29 event

April 30 event

Hartwell, Georgia/Anderson–Walnut Grove, South Carolina

A destructive tornado family known as the "Anderson Tornado" first touched down across the Georgia–South Carolina border near Hartwell, affecting property in rural areas. The tornado crossed into South Carolina, but did not produce significant damage at first. Once it reached a point about 2 mi (3.2 km) southwest of Anderson, however, it strengthened substantially. It struck the "Masters" or "Masters Store" community, leveling a shop and several other, littler structures nearby. Severe damage began just east of McDuffie Street as the tornado continued to intensify. It razed several well-built homes along East River Street, where more than half of the nine deaths occurred. In Anderson alone, the tornado ruined about 100 little homes, two cotton mills, and many businesses, with losses of about $1.5 million. All nine deaths occurred in Anderson, where about 100 people were injured and roughly 600 were left homeless. Outside Anderson, the tornado flattened a grove of trees and severely damaged a home before dissipating. It was called the worst to hit Anderson County since an F3 tornado hit the area on February 19, 1884. Afterward, the tornado probably reformed into another or more tornadoes before striking northern Laurens County and Walnut Grove in Spartanburg County. At Walnut Grove, 13 mi (21 km) south of Spartanburg, the tornado leveled 14 homes and injured 21 people. After striking Walnut Grove, the tornado widened into a downburst, 1,300 yd (1,200 m; 1.2 km) wide, near Glenn Springs. Total losses from the tornado reached $2 million.

Steedman–Horrell Hill–Gaillard Crossroads, South Carolina

This catastrophic, extremely violent, long-lived tornado likely consisted of two or more tornadoes. It first touched down roughly 11 mi (18 km) northeast of Aiken and remained on the ground almost unceasingly until it entered southern Lee County. The tornado passed near Edmund and traversed the Congaree River approximately 9 mi (14 km) south of Columbia, which reported its most destructive incident, at the time, of large hail on record. Near Adams Pond, south of Columbia, the tornado, described as being "blue-black" and "of great proportions", was 1,400 yd (1,300 m; 1.3 km) wide. The tornado killed eight people in its path across Lexington County, three of whom—a pair of students and a teacher—died in a school at Steedman. Near "Lykesland", southeast of Columbia, the tornado contracted to 1,000 yd (910 m) in width as it approached Horrell Hill. About 2 mi (3.2 km) southwest of Horrell Hill, the tornado may have produced its worst damage as it narrowed to just 500 yd (460 m) in width. It then veered abruptly to the southeast before turning north, followed by another turn to the east—one of many irregular changes in direction suggesting the formation of a new tornado. 12 people died in and near Horrell Hill, including four people in a school "filled with children." In all, the tornado killed 24 people in Richland County. After passing near Horrell Hill, the tornado bent to the northeast before crossing the Wateree River into Sumter County. It then re-intensified, causing 20 more deaths in Sumter County as it leveled rural homes, especially near Gaillard Crossroads. The tornado killed one more person in Lee County, after which its path became intermittent once more. After killing 53 people, injuring 534, and leveling more than 1,300 structures—most of which were insubstantial in size—the tornado finally dissipated 5 mi (8.0 km) north of Timmonsville.

See also

• List of tornadoes and tornado outbreaks
  • List of North American tornadoes and tornado outbreaks
• 1984 Carolinas tornado outbreak – Devastating, violent tornado outbreak in the Carolinas
• 2020 Easter tornado outbreak – Generated more intense tornadoes in South Carolina than any other 24–hour event
• April 1957 Southeastern United States tornado outbreak – Produced long-tracked tornado families in the Carolinas
• Enigma tornado outbreak – Potentially one of the largest outbreaks on record in the Southeastern United States

Notes

1. All losses are in 1924 USD unless otherwise noted.
2. The Fujita scale was devised under the aegis of scientist T. Theodore Fujita in the early 1970s. Prior to the advent of the scale in 1971, tornadoes in the United States were officially unrated. While the Fujita scale has been superseded by the Enhanced Fujita scale in the U.S. since February 1, 2007, Canada utilized the old scale until April 1, 2013; nations elsewhere, like the United Kingdom, apply other classifications such as the TORRO scale.
3. Historically, the number of tornadoes globally and in the United States was and is likely underrepresented: research by Grazulis on annual tornado activity suggests that, as of 2001, only 53% of yearly U.S. tornadoes were officially recorded. Documentation of tornadoes outside the United States was historically less exhaustive, owing to the lack of monitors in many nations and, in some cases, to internal political controls on public information. Most countries only recorded tornadoes that produced severe damage or loss of life. Significant low biases in U.S. tornado counts likely occurred through the early 1990s, when advanced NEXRAD was first installed and the National Weather Service began comprehensively verifying tornado occurrences.
4. ^ All dates are based on the local time zone where the tornado touched down; however, all times are in Coordinated Universal Time and dates are split at midnight CST/CDT for consistency.
5. ^ Prior to 1994, only the average widths of tornado paths were officially listed.

References

1. Grazulis, Thomas P. (July 1993). Significant Tornadoes 1680–1991: A Chronology and Analysis of Events. St. Johnsbury, Vermont: The Tornado Project of Environmental Films. p. 141. ISBN 1-879362-03-1.
2. Grazulis, Thomas P. (2001). The Tornado: Nature's Ultimate Windstorm. Norman: University of Oklahoma Press. p. 131. ISBN 978-0-8061-3538-0.
3. Edwards, Roger (5 March 2015). "Enhanced F Scale for Tornado Damage". The Online Tornado FAQ (by Roger Edwards, SPC). Storm Prediction Center. Retrieved 25 February 2016.
4. "Enhanced Fujita Scale (EF-Scale)". Environment and Climate Change Canada. 6 June 2013. Archived from the original on 3 March 2016. Retrieved 25 February 2016.
5. "The International Tornado Intensity Scale". Tornado and Storm Research Organisation. 2016. Archived from the original on 5 March 2016. Retrieved 25 February 2016.
6. Grazulis 2001, pp. 251–4
7. Edwards, Roger (5 March 2015). "The Online Tornado FAQ (by Roger Edwards, SPC)". Storm Prediction Center: Frequently Asked Questions about Tornadoes. Storm Prediction Center. Retrieved 25 February 2016.
8. Cook, A. R.; Schaefer, J. T. (August 2008). Written at Norman, Oklahoma. "The Relation of El Niño–Southern Oscillation (ENSO) to Winter Tornado Outbreaks". Monthly Weather Review. 136 (8). Boston: American Meteorological Society: 3135. Bibcode:2008MWRv..136.3121C. doi:10.1175/2007MWR2171.1.
9. ^ Grazulis 1993, pp. 787–8
10. ^ South Carolina Department of Natural Resources. "South Carolina Tornado Climatology". dnr.sc.gov. Columbia, South Carolina: South Carolina State Climatology Office. Retrieved 8 February 2015.
11. Brooks, Harold E. (April 2004). "On the Relationship of Tornado Path Length and Width to Intensity". Weather and Forecasting. 19 (2). Boston: American Meteorological Society: 310. Bibcode:2004WtFor..19..310B. doi:10.1175/1520-0434(2004)019<0310:OTROTP>2.0.CO;2.
12. ^ Grazulis 1993, p. 787
13. ^ Henry, Alfred J., ed. (1924). "Severe Local Hail and Wind Storms". Monthly Weather Review. 52 (4). Washington, D.C.: United States Weather Bureau: 233. doi:10.1175/1520-0493(1924)52<232:SLHAWS>2.0.CO;2.
14. ^ Grazulis 1993, p. 788
15. Grazulis 1993, p. 540
16. ^ United States Weather Bureau & Sullivan 1924, p. 22
17. Hunter, Herbert C. (1924). Henry, Alfred J. (ed.). "Tornadoes from Arkansas to Virginia, April 29–30, 1924". Monthly Weather Review. 52 (4). Washington, D.C.: U.S. Weather Bureau: 207. Bibcode:1924MWRv...52..206H. doi:10.1175/1520-0493(1924)52<206b:TFATVA>2.0.CO;2.
18. United States Weather Bureau; Sullivan, Richard H. (1924). Written at Columbia, South Carolina. "Record Breaking Tornadoes in South Carolina on April 30, 1924". Climatological Data. 27 (5). Washington, D.C.: United States Department of Agriculture: 21–2. Retrieved 13 April 2021.
19. Grazulis 1993, p. 626

Sources

• United States Weather Bureau; Sullivan, Richard H. (1924), written at Columbia, South Carolina, "Record Breaking Tornadoes in South Carolina on April 30, 1924", Climatological Data, 27 (5), Washington, D.C.: United States Department of Agriculture: 21–2

• F4 tornadoes by date
• 20th-century tornadoes
• 1924 meteorology
• Tornadoes in Alabama
• Tornadoes in Arkansas
• Tornadoes in Georgia (U.S. state)
• Tornadoes in Louisiana
• Tornadoes in North Carolina
• Tornadoes in Oklahoma
• Tornadoes in South Carolina
• Tornadoes in Virginia
• 1924 natural disasters in the United States
• April 1924 events in the United States