What is Air Mass?

A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...

Occurs when centers of high pressure and/or low pressure set up over a region in such a way that they prevent other weather...

A low-pressure area with converging winds, rotating counterclockwise in the Northern Hemisphere and clockwise in the Southern...

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

Conduction is the transfer of heat or electricity through a material without the material itself moving. This occurs when...

Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.

The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.

A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...

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

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