7th Grade Weather

A ____ is a large body of air that has the same temperature and pressure throughout.

Areas of low-pressure usually have

Fog is a ______ cloud that forms near the ground.

When severe weather already exists, a ______ is issued.

Tornadoes can form when winds at different _____ blows in different directions and speeds.

When air contains as much moisture as possible at a particular temp, its is

Most hurricanes

Lines connecting points with equal atmospheric pressure are called

______humidity is the measure of the amount of H₂O in the air compared to the max it can hold

The interaction of air, water, and _____ causes weather.

Low, layered gray clouds that produce light precipitation are _______ clouds.

The boundary between cold and warm air masses is called a

Masses of puffy, white clouds with flat bases are called

The temp at which air is saturated and condensation forms is the 

A _____ studies and forecasts the weather using data gathered from many sources.

High pressure means good weather because

______ can be produced by thunderstorms.

_ form when raindrops pass through a layer of freezing air near the surface forming ice pellets

High, thin, white clouds containing ice crystals and associated with fair weather are__ clouds.

Precipitation and storms occur

Violent storms generally form along

A violent, whirling wind that moves in a narrow path over land is a

When water droplets in a cloud combine, become too heavy, and fall, we are experiencing 

A  _______ connects points of equal temperature.

_____ forms when the air temp is below freezing and waver vapor changes directly into solids.