South of the Arctic’s polar vortex is the jet stream, a river of west to east air that flows five to nine miles above ground, ...

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 ...

Impact on North America's weather in March - An in-depth look at the forecasted polar vortex collapse and its potential effects on weather patterns across North America this March ...

The polar vortex is a “constant feature” that begins to develop sometime in September and persists through sometime in spring ...

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

Millions of Americans were hit with blustery blizzards last month when a polar vortex collapse ushered in below freezing ...

Cold weather is set to sweep across the UK this week with some temperatures feeling as low as -8C. Snow will fall on parts of ...

The Met Office says there is an 80 per cent chance of sudden stratospheric warming in March, which could bring severe and ...

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

South of the Arctic’s polar vortex is the jet stream, a river of west to east air that flows five to nine miles above ground, and helps keep the pole’s cold air confined to the Arctic.

The polar vortex is area of fast-moving winds well above the Earth’s surface and the jet stream that circle the Arctic during the Northern Hemisphere’s coldest months. When it’s strong ...