Unit 9: Natural Hazards Vocab Review

Front

Cloud condensation nuclei:

Back

Microscopic particles that serve as surfaces for water vapor condensation.

Front

Changes in wind direction at various altitudes cause rising air to rotate.

Back

directional shear

Front

Definition of dissipate?

Back

to cause to disappear

Front

Rapidly moving cool air current in a thunderstorm?

Back

downdraft

Front

Strong winds carry dust over a large area, often during drought.

Back

dust storm

Front

Boundary between cold and warm air during a thunderstorm that forces warm air up.

Back

gust front

Front

Tropical cyclone in the Atlantic, eastern Pacific, or northern Pacific with winds of 74 mph or more.

Back

hurricane

Front

Movement of sand or sediments by short jumps and bounces caused by wind or water?

Back

saltation

Front

Winds high in the atmosphere move faster than surface winds.

Back

speed shear

Front

Storm surge:

Back

Rising sea due to atmospheric pressure changes and wind from a storm.