EXPLAINER: Was tornado outbreak related to climate change?

The calendar said December but the warm moist air screamed of springtime. Add an eastbound storm front guided by a La Nina weather pattern into that mismatch and it spawned tornadoes that killed dozens over five U.S. states.

Ocean temperatures may hold key to predicting tornado outbreaks

Today, we predict tornado outbreaks up to seven days in advance. But, new research holds the promise that sea surface temperatures thousands of miles away may help us predict tornado outbreaks as soon as one to three months ...

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