Stratospheric polar vortex changes still trigger brutal U.S. winter cold snaps and extreme weather despite a warming climate.

The mechanism involves atmospheric waves that bounce between the upper atmosphere and ground level, amplifying weather patterns and making them more extreme. Scientists call this “stratospheric wave ...

Malaya Grace Hammond is among the latest fatalities identified from the Texas floods. Hammond's family said she was swept ...

"We are doing it all day, all night." Veteran meteorologist shares inside look at grueling weather research in the Arctic: ...

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