What is Air Mass?

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

A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...

Nimbostratus clouds are thick, dark, gray clouds associated with rainy and gloomy days that block the Sun. These clouds,...

Convection is the vertical movement of air caused by temperature differences, where warm air rises and cool air sinks. It...

A tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...

A cold front is the leading edge of a cold air mass that replaces a warmer air mass. It is typically associated with sudden...

A distinct layer in a body of water where the temperature changes rapidly with depth, separating warmer surface water from...

Snow that rises to 8 feet or higher.

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

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