Arctic, cold

A polar vortex dipping down from Siberia will bring a cold front with frigid temperatures to nearly 300 million Americans.
An arctic blast of air has invaded much of the country, causing temperatures to plunge just in time for Inauguration Day.
Extreme cold has a unique ability to render survival dependent on uninterrupted energy supplies. A power outage during a heat ...
The week ahead will be one of the coldest weeks in southern New England in years. It has been 716 days since Boston dipped ...
Here are the closures and delays on Tuesday during a frigid, arctic blast that dropped new snow over the holiday weekend.
Several states across the country have announced school closures this week as they brace for a particularly cold snap.
Amid a dangerous arctic blast over much of the U.S. this week, snow and ice may bring major travel disruptions and power ...