It’s really, really cold again – as the US shivers through at least the eighth blast of air from the Arctic this winter. Here ...

Arctic temperatures spiked 36 degrees Fahrenheit, or 20 Celsius, above normal. By the end of the month, sea ice was at its ...

Weather maps show snow and ice later this month in another severe Arctic blast where temperatures will again plummet to ...

Heavy snow is expected in a -5C Arctic blast later this month due to a rare polar vortex and weather maps show the areas of ...

New England will be on the fringe of this blast of cold air ... the US as it moves. The jet stream is digging south through the core of the country, which pulls the Arctic air to the south ...

Nineteen states from Nebraska to Florida are facing cold weather alerts on Friday morning as a relentless Arctic blast persists -- but a warmup is finally on the way. Friday marks the fourth ...

An Arctic air mass kept its grip on much of the central and eastern U.S. on Friday, plunging temperatures to record lows as snow blanketed central Colorado and the Pacific Northwest braced for an ...

And when it weakens, it can cause the jet stream to become more erratic, potentially allowing icy Arctic air to sweep southwards. These changes can result in heavy snowfall, extensive blizzards ...

The polar vortex, a mass of freezing air that encircles the Earth's poles, plays a crucial role in winter weather patterns.

TOLEDO, Ohio — This week, a significant Arctic blast enveloped the United States, bringing record-breaking cold temperatures to much of the nation. From the Midwest to the Deep South ...

It’s really, really cold again — as the US shivers through at least the eighth blast of air from ... more frequent as the Arctic warmed and weakened the jet stream, allowing more cold to ...