What is Air Mass?

A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...

The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...

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

Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...

A tropical cyclone with sustained winds of at least 74 miles per hour, characterized by a central eye, strong winds, and...

A drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.

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

A narrow band of strong winds in the upper atmosphere, typically flowing from west to east and influencing weather patterns.

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

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