A freak pressure shift in the upper atmosphere will thrust a surge of Arctic air across the US triggering a spate of warnings ...
A wave of Arctic air is predicted to sweep across nearly the ... a cold front gripping a 645-mile stretch of Britain. The late chill, which spans the far north of Scotland to the Hampshire coast ...
Mountain Weather Information Service (MWIS) said Arctic air was affecting the hills, especially in the Highlands, and there had been significant wind chill. BBC Weather said snow on mountain tops ...