Section #14

Large regions of air with consistent temperature and weather

• Jet Streams

• Air Masses

• Warm Front

• Cold Front

Cool, dry air masses that form in northern Canada

• cP Air Masses

• cT Air Masses

• mP Air Masses

• cA Air Masses

Warm, humid air masses that form in the Gulf of Mexico or off the coast of southern California

• cT Air Masses

• 
  mP Air Masses

• mT Air Masses

• 
  mE Air Masses

Very warm, humid air masses that play a major role in northern South American and central African rainforest climates

• mP Air Masses

• mT Air Masses

• mE Air Masses

• cA Air Masses

Cool, humid air masses that form off the northeastern coast of Maine or northwest of Washington and Oregon

• mE Air Masses

• 
  mT Air Masses

• cP Air Masses

• mP Air Masses

A boundary between two relatively unmoving air masses, often resulting in variable weather conditions

• Stationary Front

• Warm Front

• Cold Front

• Fronts

Very cold, dry air masses that form far to the north in Canada

• mE Air Masses

• 
  cP Air Masses

• cT Air Masses

• cA Air Masses

A front where cool air replaces warmer air, often causing short periods of heavy rain/snow with thunderstorms

• Warm Front

• Cold Front

• Warm Front

• 
  Stationary Front

Large, strong low pressure centers associated with weather fronts

• Hurricanes

• 
  Tropical Cyclones

• Mid-Latitude Cyclones

• 
  Cold Front

Boundaries between air masses, where major weather events occur

• Air Masses

• 
  Cold Front

• Warm Front

• Fronts