A severe winter storm that brought freezing rain, sleet and snow to a large part of the U.S. was intensified by the polar vortex and warm ocean.

Water, salt, and heat all get mixed within eddies with important climate consequences, but the boundary of an eddy is hard to ...

A severe winter storm that brought crippling freezing rain, sleet and snow to a large part of the U.S. in late January 2026 left a mess in states from New Mexico to New England. Hundreds of thousands ...