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Brutally cold weekend awaits US, Canada; forecasters say polar vortex to bring coldest air on Feb 7-8

Meteorologists have predicted a “brutally cold weekend” for the United States and Canada as the Arctic blast, driven by a weakened polar vortex, is expected to bring the coldest air of the winter ...
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Extreme cold targets Canada as the polar vortex buckles

The polar vortex is teetering, and Canada is in the line of fire. The stratospheric polar vortex is off kilter and unusually weak, and that’s great news if you’re a fan of the cold, Canada. If ...
The New York Times

Some of the Coldest Temperatures of the Season Are Sweeping Through the U.S.

There’s no denying it. It’s really December. -40 -20 0 20 32 Source: NOAA Note: Forecast temperatures are as of 7 a.m. Eastern each day. Forecast data in some areas may be unavailable. Data shown only ...