Weather 5 Flashcards
What is the boundary between two air masses that have different temperatures and levels of humidity called?
a front
What is the amount of moisture or water vapor, in the air called?
humidity
What is a large body of air that spreads over hundreds of miles and has the same temperature and humidity?
an air mass
What is a push caused by the weight of air called?
air pressure
What are the low gray clouds that produce rain or snow?
stratus clouds
What are white fluffy clouds that are associated with sunny weather?
cumulus clouds
What are thin, feathery clouds made of ice crystals that are seen high in the sky and indicate that rain or snow is coming?
cirrus clouds
What are tall, dark clouds that are associated with thunderstorms?
cumulonimbus clouds
Which is more dense, cold air or warm air?
cold air
Where does cold air form?
in high pressure areas
Where does warm air form?
in low pressure areas
When a heavy air mass slides under an air mass of lighter and pushes it up, thunderstorms form and the air temperature drops. This is known as a __________.
cold front
When a mass of light air slides over a mass of heavier air, this often leads to steady rain or snow and increases the air temperature. This is known as a __________.
warm front
What are people called that collect data and use the data to predict weather patterns?
meteorologists
What does a rain gauge measure?
precipitation
