The boundary between a warm and a cold air mass
front
When does freezing rain actually freeze?
when it touches the surface
the movement of water from the Earth's surface into the air and back to the surface
what is an air mass?
a large body of air with relatively uniform temperature, humidity and pressure
a Y shape front
occluded front
the name of liquid precipitation
rain
most abundant gas in the atmosphere
nitrogen
very little precipitation or no precipitation at all in a area during a long period
drought
the type of precipitation that that starts frozen, melts and refreezes before touching the ground
sleet
tell 3 types of solid precipitation
sleet, hail, snow, frozen rain
precipitation in the form of snow flakes
snow
the outermost layer of the atmosphere
exosphere
air masses of Canada and Alaska
Continental polar
large amounts of falling and blowing snow reduce visibility to zero
whiteout
three types of snow cristals
needle, sector plate, hollow column, dendrite plate
balls of ice that form in strong thunderstorms
hail
what is a cyclone?
air masses that move in the circular spiral
What types of clouds are typically seen along a cold front
Cumulonimbus
when heavy snow and wind of at least 35 miles per hour prevail for 3 or more hours we have a....
blizzard
stages of the water cycle