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AIR FRONTS (cold front (located at the forward edge of a cold air mass,…
AIR FRONTS
cold front
located at the forward edge of a cold air mass
forms when the cold air mass pushes the warm air mass
represented by blue lines with triangles pointing in the direction of movement
move from the northwest to the southeast
move faster than warm fronts
causes heavy rain or hail and thunder and lightning
lifted warm air produces clouds and thunderstorms
warm front
located at the forward edge of a warm air mass
forms when the warm air mass pushes the cold air mass
represented by red lines with semicircles pointing in the direction of movement
forms thin stratus clouds as it rises
may cause drizzles
air mass
large area of air
similar temperature and humidity throughout
do not mix; one pushes the other
fronts
invisible boundaries between two air masses
can be cold or warn
cold air moves beneath the warm air
stationary front
neither air mass moves
produces overcast weather and drizzles that last for several days
represented by alternating red and blue lines
blue triangles point to the warm air and red semicircles point to the cold air