When there are disturbances in which the Jet Stream weakens, it can become wobbly. This allows the cold air to plunge southwards. A disrupted polar vortex does not happen every year. Very much so what ...

Parts of the Gulf Coast measured a foot of snow on Tuesday. For many cities, the totals obliterated long-standing snowfall records.

Another chilly and cloudy start to the day with more light showers possible through the morning.A stalled frontal boundary ...

We are halfway through winter and after an exceptionally warm start, North America’s winter is transitioning toward more predictable patterns with La Niña.

Anytime we get an Arctic air blast down this far south, this is an artifact of the polar vortex rearing its ugly head,” said climatologist Barry Keim .

The Met Office has issued a red warning ahead of the storm, which is set to bring 100mph gales to parts of the UK within ...

Historic winter storm shatters records across the South, leaving millions grappling with extreme cold and unprecedented ...

However, Ol’ Man Winter has had other ideas. Instead of spinning his polar vortex in a nice tight loop around the North Pole (which keeps the cold air tightly-wound around the pole), he’s been doing a ...

An enormous bomb cyclone will slam Ireland late Thursday, bringing intense rain and wind on its way to delivering a separate blow to the United Kingdom. Damaging winds are expected across a wide swath ...

At least two flights briefly traveled faster than the speed of sound as the jet stream sped up, but there would not have been a sonic boom.

Moving at roughly 20,505 miles per hour along the distant world's equator, it’s the fastest known jet stream that wraps around a planet ...