In Earth's upper atmosphere, a fast-moving band of air called the jet stream blows with winds of more than 275 miles (442 km) ...

The unseasonable chill that has swept through the eastern half of the US defies last year's mild winters and the South's ...

One British Airways flight travelling from the US to Portugal reached a ground speed of 1,344km/h as it caught a lift from ...

Scientists are scrambling to understand how climate change may be interfering with the winds that carry our weather, with ...

A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...

The polar vortex's blast of Arctic air from Canada brought the season's coldest weather to the majority of U.S. The vortex is ...

Today jet stream will finally start to lift and a warming trend will slowly begin. That being said, wind speeds are expected ...

A strengthened jet stream is driving severe weather towards the UK later this week, with strong winds of up to 90mph forecast ...

As a meteorologist, waking up to 4 to 6 inches of snow locally is certainly fun and interesting, but well within typical ...

Louisiana isn’t known for extreme cold weather—but that changed Tuesday, when the National Weather Service issued its first ...

These severe cold events occur when the polar jet stream – the familiar jet stream of winter that runs along the boundary ...