A strong, stable vortex is like a skater spinning with their arms tucked closely in, holding in an area of cold air over the Arctic. But when there’s a wobble in the rotation, winds in the vortex can ...

When the Polar Vortex is in a weakened state, a jet stream wobble sending polar air into the mid-latitudes becomes more likely. Last winter, a significant Polar Vortex disruption during January ...

The polar dance ... stream over the mid-latitudes in the U.S. may counteract each other. “We have big uncertainty about what’s going to happen with the stratospheric polar vortex,” Simpson ...

A new study published in Communications Earth & Environment gives possible insight into the underprediction of sea ice ...

Sunday through Monday will see mostly cloudy skies, limited rain chances and highs dropping to the mid-40s. Heavier rainfall is expected late Monday night into Tuesday, with an 80%-100% chance of ...

MEMPHIS, Tenn. - The Mid-South is in for a much cooler day today, with highs about 10 degrees below normal—30 to 35 degrees colder than Saturday—thanks to a passing cold front. A brief warm ...