This week’s Deep Dive takes a closer look at a major driver behind the UK’s weather over the coming days: a positive phase of the North Atlantic Oscillation, often shortened to NAO.

Increased fluctuations in the path of the North Atlantic jet stream since the 1960s coincide with more extreme weather events in Europe such as heat waves, droughts, wildfires and flooding, reports a ...

Much of the nation east of the Rocky Mountains is hunkered down for what could be the worst winter storm of the season, followed by some of the coldest temperatures seen in years. The storm began out ...