What is Blowing Snow?

The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...

A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the...

Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.

Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.

In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...

A weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can...

Bright and dark rays with changing colors and contrast in the sky. These rays become visible due to the reflection of atmospheric...

A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...

An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...

A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...