Air Masses
What kind of weather does a mT air mass bring?
What is A?
Arctic
What direction do cold fronts move?
West to east
What kind of front occurs when a cold front overtakes a warm front and forces it upwards? (The cold front is trapped between two warm masses.)
Occluded front
What kind of front is represented on a weather map by a purple line with triangles and semicircles?
Occluded front
What kind of weather does a cA air mass bring?
What is c?
Continental
What direction do warm fronts move?
North to South
What kind of front comes from an advancing mass of relatively cold air that replaces a warmer mass of air?
Cold front
Name the four types of fronts
Warm, cold, occluded, stationary
What kind of weather is brought by a cP air mass?
Dry and cold
What is T?
Tropical
What direction do Jet Streams travel?
West to east
What type of front forms when two air masses push against each other and neither is strong enough to move the other?
Stationary front
What kind of front is represented on a weather map by repeating red semicircles and blue triangles?
Stationary front
What kind of weather is brought by a cT air mass?
Dry and warm
What is P?
Polar
What is the term for a strong ocean current that brings warm water from the Gulf of Mexico into the Atlantic Ocean?
How are fronts formed?
Fronts are formed at the boundary of two air masses with different temperatures and humidity that collide.
How many major jet streams travel the globe?
4
What kind of weather does a mP air mass bring?
Moist and cold
What is m?
Maritime
Air masses move from areas of _________ pressure to areas of _______ pressure.
High, low
What kind of front is created by a boundary between a mass of warm air and a retreating mass of cold air?
Warm front
How are air masses formed?
Uneven heating and cooling of the Earth by the sun