December’s largest tornado outbreak killed dozens of people

December’s most prolific tornado outbreak on record unfolded across portions of the central United States in 2021.

Dozens of twisters touched down from Mississippi to Indiana between Dec. 10 and Dec. 11, including one of the longest-track tornadoes ever observed.

DON’T MISS: DON’T FALL VICTIM TO THESE SEVEN DANGEROUS TORNADO MYTHS

A RARE AND DANGEROUS DECEMBER TORNADO OUTBREAK

Conditions turn cold and snowy across much of North America as December settles across the continent. But intrusions of warm and humid air can surge northward when a powerful storm system arrives, and that’s exactly the setup we saw heading into Dec. 10, 2021.

A strong Colorado low moving toward the Great Lakes set the stage for a violent tornado outbre

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