U9 Weather

Very fast winds circling a small area of very low pressure.

• Tornado

• Blizzard

• Earthquake

A combination of smoke and fog.

• FOKE

• SMOG

An area of warm, moist air surrounded by cooler, drier air.

• Smoke

• Fog

• Smog

A line connecting places that have the same air pressure.

• Isotherms

• Isobars

Ice pellets made up several layers of ice.

• Hail

• Freezing rain

High, thin, wispy clouds with a curled edge.

• Cirrus

• Columbus

Water in the form of an invisible gas.

• Rain

• Vapor

• Ice

Frozen rain

• Sleet

• Hail

• Snow

Boundary line between two different air masses.

• Back

• Front

• Side

Causes heated air to become less dense.

• Expansion

• Condensation