What is Air Mass?

The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.

An instrument for measuring atmospheric pressure.

Weather conditions are the components that comprise the state of the atmosphere. The six main weather conditions are temperature,...

Nor'easter is a meteorological event commonly observed in the Northeastern United States and typically occurs during the...

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

A very cold high pressure that originates over the Arctic Ocean.

Air laden with sand and dust, common in areas devoid of permanent vegetation, especially deserts.

The situation where there is no advection because the constant pressure surfaces and temperature surfaces in the atmosphere...

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

A thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.