Low pressure system

Is a large body of circulating air that has low

pressure at its center and higher pressure on the outside.

High

Air moves from high pressure to low pressure

Outside

Air in the center of the system in it condenses and forms clouds.

rises, and the water vapor

high pressure system

2. A(n) high pressure system

is a large body of circulating air that has high

pressure at its center and lower pressure on the outside.

Sink

High pressure air at the center sinks and moves towards low pressure areas

Airmasses

Air Masses are large bodies of air that have distinct temperature and moisture characteristics

front

1. A weather front Polar

is the boundary between two air masses.

warmer

b. A warm front brings warmer Evdfront

temperatures and shifting w

stationary

stationery front forms when the boundary between two air stalls