Air Masses, Fronts, Midlatitude Cyclones Flashcards
Shift in ______ ________
Wind direction
What could a stationary front produce?
Heavy rains
Air mass
Parcel of air that has a very similar weather elements
Maritime polar air mass
Air mass characterized by low temperatures and high humidity
Warm front
Massive warm air moves over cold, dry air
Maritime tropical air mass
Air mass characterized by high temperatures and high humidity
______ changes
Pressure
Continental polar air mass
Air mass characterized by low temperatures and dry air not as cold as Arctic
Big change in _______ temperature
Dew point
Arctic outbreaks or _______
“Siberian express”
1-3 days, plunges area in to extreme cold
Lake effect snows
Snow that form on the downward side of the lake. Dry air picks up moisture and warmth from unfrozen bodies of water
Rapid change in _______ _____ over a _____ _____
Air temperature, short distance
Stationary front
Front stalls out
Continental tropical air masses
Air mass characterized by high temperatures and low humidity
Occluded front
Cold front overruns a warm front, Fronts merges as one like a zipper