What is Air Mass?

The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.

The names given to the winds blowing from the four cardinal directions (north, east, south, and west - N, E, S, W) on a compass.

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

A periodic cooling of sea surface temperatures in the central and eastern Pacific Ocean, often leading to altered global...

A thermodynamic change process in the system without any exchange of heat or transfer of energy between systems. This process...

Coastal flooding occurs when water from the ocean, sea, or large lakes inundates land areas along the coast, usually due...

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

A cloud that develops from Cirrus, completely or partially covering the sky, creating a halo effect, thin, sheet-like, milky...

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

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