Several days with temperatures of 10-20 degrees below the historical average could be dangerous to plants and ruin outdoor ...

A significant disruption to the polar vortex over far Northern Canada will keep the pattern’s influence locked in our neck of the woods like a houseguest overstaying their welcome.

An April cold snap is expected to bring unusually cold temperatures to the eastern half of the US next week. The cold snap could impact new spring vegetation and lead to frost in some areas.

Colorado could see more frequent and intense temperature swings, in part due to climate change. DENVER — Colorado is no ...

Space exploration missions have revealed that polar vortices aren’t uncommon beyond Earth. They’ve been observed throughout ...

According to an article published by NASA in 2015, the 2013-14 polar vortex resulted in 92.5 percent ... In 2014, many news outlets and weather reports extensively discussed this atmospheric ...

When the polar vortex begins to wobble and allows arctic ... We'll catch you up on the Chicago news you need to know. Sign up for the weekly Chicago Catch-Up newsletter. So what’s next?

Researchers from the University of Leeds have found there was an extremely strong stratospheric polar vortex (SPV) – a large spinning mass of cold air in the stratosphere around 15 miles above ...

Scientists say a "swirling polar vortex" miles above the Earth caused three deadly storms in the UK and Ireland, which brought severe flooding and record wind speeds. Four people lost their lives ...

Don't put away those winter coats just yet. An April cold snap is forecast for much of the eastern half of the U.S. early next week, forecasters said, with freezes likely across portions of the ...