Weather Flashcards
The amount of water vapor in the air.
Humidity
Puffy, white clouds with a flat bottom.
Cumulus cloud
Clouds that form in layers.
Stratus cloud
Thin, feathery, white clouds found at high altitudes.
Cirrus cloud
A cumulus cloud that form high in atmosphere.
Cumulonimbus cloud
The change of state from a gas to a solid.
Condensation
Water vapor is added to the air
Evaporation
Any form of water that falls to the Earth’s surface from the clouds.
Precipitation
draining way of water.
Runoff
Drops from clouds, most common form of precipitation.
Rain
Forms when rain falls through a layer of freezing air.
Sleet
Forms when temps so low that water vapors change to a solid.
Snow
Balls or lumps of ice that fall from clouds.
Hail
Forms over North Pacific Ocean and is cold and wet.
Polar-Maritime Airmass
Forms over the Pacific is warm.
Tropical-Maritime Air mass
Very cold and dry.
Polar continental Air mass
In summer time it is dry and warm.
Tropical-Continental Air mass
Where cold dense air meets the warmer less dense air making the warm air rise.
Cold front
A storm characterized with lightning and thunder.
Thunderstorm
A sudden, powerful electric discharge typically during thunderstorms.
Lightning
Sound caused by lightning striking.
Thunder
A narrow, violent rotating column of air that extends from a thunderstorm to the ground.
Tornado
A rotating storm that forms over tropical waters.
Hurricane
Instrument used to measure how hot or cold something is.
Thermometer
