What is Arctic Air?

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

An instrument used to measure the speed, force, and sometimes the direction of the wind. It can be cup or pressure tube anemometers....

The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.

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

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

A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...

A sudden and rapid flow of snow masses accumulated on the slopes of mountainous areas under the influence of gravity or a...

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

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

Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.