What is Air Mass?

A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...

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

A thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.

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

A middle cloud type within the B family in the international cloud classification. These clouds consist of water droplets...

A storm characterized by the presence of lightning and its acoustic effect on the Earth's atmosphere known as thunder.

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

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

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

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