Layers of the Atmosphere- Define
thermometer
measures temperature
liquid water changing to a gas
What is evaporation?
I help produce thunderstorms
lifting of unstable air
barometer
measures air pressure
A front is produced when this happens
two air masses collide
wind vane
measures wind direction
warm air rises causing preciptation
What is a warm front?
What must happen for precipitation to form?
cloud droplets must form at least one million times in volume
Precipitation forming in cold clouds is called
Bergeron process
Air pressure is the pressure exerted by what?
the weight of air above a certain point
List the 3 types of high clouds
Cirrus, Cirrostratus, cirrocumulus