What is Air Mass?

A measurement determined by the wave lengths and sea conditions caused by the effect of wind, and by the movement of tree...

A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.

A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.

A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...

Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...

A deviation from the normal or expected value in atmospheric or climatic conditions, often used in meteorology to identify...

Ball lightning appears during thunderstorms, taking the shape of glowing, electric orbs in the sky. It can appear in a variety...

A strong wind typically ranging from 34 to 40 knots (39 to 46 miles per hour) and often associated with rough seas and stormy...

Local winds that blow from slopes to peaks as a result of the heating of the top slopes without being affected by general...

Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...