On the night of Dec. 10–11, 2021, an outbreak of powerful tornadoes tore through parts of Arkansas, Mississippi, Missouri, Kentucky, Tennessee and Illinois, killing dozens of people and leaving wreckage over hundreds of miles. Hazard climatologists Alisa Hass and Kelsey Ellis explain the conditions that generated this event—including what may be the first “quad-state tornado” in the U.S.—and why the Southeast is vulnerable to these disasters year-round, especially at night.
Click here for original story, Why the southern US is prone to December tornadoes
Source: Phys.org