Air pressure

Question 1

Characteristics of low air pressure

Answer 1

-Warm air rises:
Cools, condenses and forms clouds

• Precipitation (rain, snow, sleet, hail)
• Brings high winds, clouds
• Clouds act as a blanket overnight keeping temperatures warm

Question 2

Characteristics of high air pressure

Answer 2

• Air cools and sinks to the ground:
  Pressure increases
• Cool air is warmed as it reaches the ground
• Any clouds evaporate
• Clear skies left behind (no precipitation) and calm weather