Weather and Climate

The weather is...

• The typical state of the atmosphere in a long period of time.
• The state of the atmosphere at a particular time. 

The climate is... 

• The typical state of the atmosphere over a long period of time. 
• The state of the atmosphere at a particular time. 

What types of air masses form over land?

• Maritime
• Continental
• Polar
• Tropical

What types of air masses form over oceans?

• Maritime
• Continental
• Polar
• Tropical

What is an air mass?

• large body of air that has about the same characteristics

• large body of air that has different characteristics

Air masses are either ________ and either _______.

• warm or cold

• moist or dry

• both

What do dry air masses usually form over?

• oceans

• land

How do we name air masses?

• Water and temperature

• Air pressure

• moisture and temperature

• Cold and warm

What kind of weather happens during a warm front?

• Light rain or light snow
• Heavy rain or heavy snow
• Clear skies, temp. warms
• Clear skies, temp. cools

What kind of weather happens during a cold front?

• Light rain or light snow
• Heavy rain or heavy snow
• Clear skies, temp. warms
• Clear skies, temp. cools