Chapter 29 Air Masses and Fronts

Air Masses A huge section of the lower troposphere that has the same kind of weather throughout

Types of air masses mT –Maritime Tropical Warm Moist Air usually over tropical waters

mP –Maritime Polar Cold Humid air coming from over cold ocean waters

cT –Continental Tropical Hot dry Air originating over desert areas

cP –Continental Polar Cold dry air coming from high latitudes

cA –Continental Arctic Extremely Cold dry air coming from high latitudes

Fronts Any Boundary between two different air masses Generally means a change in weather Four Types

Cold Front

Warm Front

Stationary Front

Occluded Front

Where are the Fronts? L

L H L