A mirage is an optical illusion created when sharp temperature differences near the surface bend light, making distant objects appear distorted, reflected or out of place.

The Arctic Oscillation is a metric used to describe the strength of the polar vortex, or mass of arctic air that rotates counterclockwise around the North Pole.

A ground blizzard is a sub-category of blizzard in which snow is being blown from what is already on the ground without any ...

Anabatic winds refer to any upslope wind (flowing uphill), typically driven by heating from solar radiation during the day.

An avalanche is a sudden, fast-moving slide of snow down a mountain slope, triggered when weather conditions weaken the ...

Chinook winds are warm, dry downslope winds that can cause temperatures to rise rapidly east of the Rocky Mountains, ...

Radar beams quite literally move at the speed of light, and when they bounce off an object in the sky and return to the radar site to be collected and analyzed, we called that an “echo.” For weather ...

What constitutes a “normal” weather day? Turns out there’s a way in which meteorologists calculate that! First Alert ...