What is Air Mass?

Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.

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

The expected rate of temperature decrease in an adiabatically rising air parcel when there is no heat exchange with the environment....

A large body of air having similar horizontal temperature and moisture characteristics.

The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....

The jet stream forming the boundary between tropical air and sub-tropical air, characterized by isothermal compression and...

The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...

A weather front formed when a cold front overtakes a warm front, lifting the warm air off the ground and resulting in a mix...

A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...

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