Vocab Review #7 (Weather Phenomena)

Front

Body of air with uniform temp, humidity, and pressure?

Back

air mass

Front

Definition of "directional shear":

Back

Changes in wind direction at different altitudes causing rising air to begin to rotate.

Front

Cloud type: "dense, towering vertical cloud from water vapor and strong upward air currents"

Back

cumulonimbus

Front

Speed shear: occurs when high-altitude winds move faster than surface winds.

Back

Speed shear is when high-altitude winds move faster than surface winds.

Front

Definition of "gust front"

Back

Boundary between cold and warm air at the surface during a thunderstorm, forcing warm air up into the storm cell.

Front

Definition of updraft?

Back

Upward current of rising air; also known as "lift".

Front

Definition of "downdraft":

Back

A rapidly moving current of cool air that flows downward in a thunderstorm.

Front

Definition of "dissipate"?

Back

to cause to disappear; to scatter, or dispel

Front

Definition of "storm surge"

Back

Rising sea due to atmospheric pressure changes and storm winds.

Front

Definition of "supercell":

Back

A system producing severe thunderstorms with rotating winds and prolonged updrafts, possibly causing hail or tornadoes.