updraft
a current of rising air
insulator
a substance that does not conduct electricity very well
The Bergeron process
BEGINS with cold clouds.
Theory that describes precipitation from the top of cumulonimbus clouds
The collision-coalescence process
theory that describes precipitation from nimbostratus
BEGINS with warm clouds
precipitation
water that leaves the atmosphere as rain, snow, hail, sleet.
dew point
the temperature at which dew forms depending on the air pressure and humidity
frost point
the temperature at which frost forms depending on air pressure and humidity