Hurricane Carla Hurricane Carla ranks as the most intense U.S. tropical cyclone landfall on the Hurricane Severity Index. It was the ninth most intense hurricane to make landfall in the U.S. The third named storm of the 1961 Atlantic hurricane season, Carla d ...

triggered a destructive and deadly outbreak of 21 tornadoes in

Alabama (We dare defend our rights) , anthem = "Alabama" , image_map = Alabama in United States.svg , seat = Montgomery , LargestCity = Huntsville , LargestCounty = Baldwin County , LargestMetro = Greater Birmingham , area_total_km2 = 135,765 ...

Louisiana Louisiana , group=pronunciation (French: ''La Louisiane'') is a state in the Deep South and South Central regions of the United States. It is the 20th-smallest by area and the 25th most populous of the 50 U.S. states. Louisiana is borde ...

Texas Texas (, ; Spanish: ''Texas'', ''Tejas'') is a state in the South Central region of the United States. At 268,596 square miles (695,662 km2), and with more than 29.1 million residents in 2020, it is the second-largest U.S. state by ...

Arkansas Arkansas ( ) is a landlocked state in the South Central United States. It is bordered by Missouri to the north, Tennessee and Mississippi to the east, Louisiana to the south, and Texas and Oklahoma to the west. Its name is from the O ...

, and

Michigan Michigan () is a U.S. state, state in the Great Lakes region, Great Lakes region of the Upper Midwest, upper Midwestern United States. With a population of nearly 10.12 million and an area of nearly , Michigan is the List of U.S. states and ...

that occurred from September 10–13, 1961. A total of 11 tornadoes touched down in Louisiana, and eight more in Texas. The strongest tornado of the outbreak was a long, wide F4 tornado that moved across

Galveston Island Galveston Island ( ) is a barrier island on the Texas Gulf Coast in the United States, about southeast of Houston. The entire island, with the exception of Jamaica Beach, is within the city limits of the City of Galveston in Galveston County. T ...

in the early morning hours of Tuesday, September 12, 1961, killing eight people. This was the first of only two known violent tornadoes ever spawned by a hurricane with the other one happening during Hurricane Hilda in 1964. By the time it was over, the outbreak had killed 14 people, injured 337 others, and caused over $3.461 million in damage.

Meteorological synopsis

moved northwestward over the

Gulf of Mexico The Gulf of Mexico ( es, Golfo de México) is an ocean basin and a marginal sea of the Atlantic Ocean, largely surrounded by the North American continent. It is bounded on the northeast, north and northwest by the Gulf Coast of the United ...

on September 10, its outer rainbands began to spread over the

Gulf Coast The Gulf Coast of the United States, also known as the Gulf South, is the coast, coastline along the Southern United States where they meet the Gulf of Mexico. The list of U.S. states and territories by coastline, coastal states that have a shor ...

. Favorable shear profiles led to scattered tornadoes touching down across the region, including an F3 tornado that caused numerous casualties in

Kaplan, Louisiana Kaplan is a city in Vermilion Parish, Louisiana, United States. The population was 4,600 at the 2010 census, and 4,345 at the 2020 population estimates program. It is part of the Abbeville micropolitan statistical area in Acadiana. History In ...

. More tornadoes touched down the next day as the system made landfall in

Port O'Connor, Texas Port O'Connor is an unincorporated community and census-designated place (CDP) in Calhoun County, Texas, United States, near the Gulf coastline between Galveston and Corpus Christi. The CDP had a population of 1,253 at the 2010 census. It is par ...

at peak intensity with winds and a pressure of 931 mbar (27.5 inHg). September 12 was the worst day of the outbreak with six significant (F2+) tornadoes touching down, including a violent F4 tornado in Galveston, Texas and an intense F3 tornado in

Jonesboro, Louisiana Jonesboro is a town in, and the parish seat of, Jackson Parish in the northern portion of the U.S. state of Louisiana. The population was 4,106 in 2020. History Founded on January 10, 1860, by Joseph Jones and his wife, Sarah Pankey Jones ...

, causing widespread destruction and 250 casualties. By September 13, a weaker Tropical Storm Carla was accelerating northward into

Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by tot ...

. Some scattered tornado activity occurred on this day before the outbreak came to an end.

Confirmed tornadoes

September 10 event

September 11 event

September 12 event

September 13 event

Notes

References

{{Alabama tornado events

Carla Carla is the feminized version of Carl, Carlos or Charles, from ''ceorl'' in Old English, which means "free man". Notable people with the name include: * Carla, French singer and former member of the children's music group Kids United * Carla Abe ...

Tornadoes of 1961 F4 tornadoes Tornadoes in Alabama Tornadoes in Louisiana Tornadoes in Texas Tornadoes in Arkansas Tornadoes in Michigan Tornadoes in Georgia (U.S. state)