This winter, with record snow in New Orleans and drought and destructive wildfires in Southern California, has not been ...

Meteorologists warn that the coldest burst of Arctic air this season is coming to put an icy and prolonged exclamation point ...

two bands of fast-moving air – the polar jet stream and the stratospheric polar vortex – sometimes tango together to influence weather in the northern hemisphere. As the Arctic continues ...

Here's how the polar vortex, and climate change, influence extremely cold winter weather in the US. Intense snowy wintry weather in the US has been fuelled by activity of the polar vortex ...

The coldest burst of Arctic air this season is coming to put an icy exclamation point on America's winter of repeated polar vortex invasions, meteorologists warn. And it will stay frozen there all ...

A mass of air called the polar vortex has escaped the Arctic and plunged southward. Some scientists see the fingerprints of climate change. transcript A powerful winter storm tore across the Gulf ...

But some emerging science suggests that, generally, the polar vortex could be changing as a result of global warming, possibly causing more cold extremes in North America. Warming temperatures at ...

The polar vortex is a gigantic circular upper-air ... The images below show how the influence of climate change from as far away as the mid-latitudes can trigger an outbreak of arctic air ...

These severe cold events occur when the polar jet stream – the familiar ... But does this cold snap contradict human-caused global warming? As an atmospheric and climate scientist, I can tell ...

Those disruptions to the circulation are happening more often as global warming has weakened the polar vortex. What’s less clear is whether those events are also leading to bouts of cold on the ...

Does climate change affect the polar vortex? It is not known whether climate change will affect the polar vortex, says Amy Butler, an atmospheric scientist at the National Oceanic and ...

A polar vortex will plunge Waterloo region ... Steven Flisfeder, a warning preparedness meteorologist at Environment and Climate Change Canada, says it still won't quite reach the average high for ...