What is Blowing Snow?

The heating of the Earth by the sun causes daily changes in both the direction and speed of the wind. During the day, ground...

The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...

A large, organized thunderstorm with a rotating updraft, often producing severe weather such as tornadoes, hail, and heavy...

Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...

An image on the weather radar that is convex to the direction of movement and resembles an arc shape, caused by mesoscale...

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

A scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...

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

The amount of radiation, heat, or light passing through or flowing from a unit area of a surface.

A cloud of irregular appearance, composed of irregular cloud fragments.