What is Air Mass?

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

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

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

An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...

A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...

A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...

The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...

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

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

An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...