For the Arctic, this means record-low sea ice and ... and the Pacific Northwest to the Northeast in the U.S., a polar vortex-linked series of frigid blasts await. SEE ALSO: The Weather Channel ...

A haze of ice crystals in the air created a halo around the low sun as three snowmobiles thundered onto the sea ice on a ...

Data from a polar vortex splitting during 2002’s Southern Hemisphere sudden warming event helps expand models to accommodate ...