Summer sea ice in the Arctic Ocean might be gone by the 2030s, no matter what we do to curb emissions of greenhouse gases, study says. Hotspots ranked Start the day smarter ☀️ Funniest cap ...

A new study challenges the idea that climate change is behind the erratic wintertime behavior of the polar jet stream, the ...

As jet stream winds in the lower atmosphere interact with the displaced polar vortex, this sends Arctic air south toward the mid-latitudes, sometimes into the U.S.

The polar vortex refers to frigid air that typically circulates the North Pole. When the vortex weakens, the polar jet stream dips further south, leading to a surge of Arctic air into the US.

In just six days, Great Lakes ice cover has surged by an astonishing 500 per cent, a testament to the frigid air’s grip. If this Arctic air mass materializes as forecast, we may see Great Lakes ...

As the name implies, the Siberian Express refers to air masses that start in northern Russia and end up in the Lower 48, driving arctic cold into places like Iowa.Like most patterns, this coming ...