What is Relative Humidity?

A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...

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

A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...

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

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

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

The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...

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

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