Tornado-spawning storms may get worse due to warming

America will probably get more killer tornado- and hail-spawning supercells as the world warms, according to a new study that also warns the lethal storms will edge eastward to strike more frequently in the more populous ...

Study: Winter tornadoes to get more powerful as world warms

Nasty winter tornadoes—like the deadly ones last week that hit five states—are likely to be stronger and stay on the ground longer with a wider swath of destruction in a warming world, a new study shows.

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.

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