Climate
What is the long-term average weather conditions that occur in a particular region?
Climate
Periods of below-average amounts of rain or snow lead to:
Droughts
What are the two classifications for air masses?
Continental and maritime
What is a boundary between two air masses called?
A front
Cooler air has ______ humidity than warmer air.
Less
This climate has hot summers, cool winters, and little precipitation.
Weather
What are tropical air masses and where are they located?
Warm and near the equator
What is it called when a cold air mass moves quickly toward warm air?
Cold Front
What was referred to as a period of time when glaciers covered much of the earth?
Ice Age
Climate depends on:
Average temperature and precipitation
Weather is affected by: (Name 2)
Time of day, seasons, location, altitude.
What are polar air masses and where are they located?
Cold and in colder regions
What type of front occurs when warm air glides over colder, denser air?
Warm Front
What is an area of low rainfall on the downwind slope of a mountain?
What affects climate? Name two things.
What can be used to predict weather changes?
Air pressure
What are arctic air masses and where do they form?
Coldest- near the poles
Air moves outward from a _________ pressure system.
High
The amount of water vapor in the air.
Humidity
How are climates classified? (There are 3)
Temperature, precipitation, vegetation.
The force that a column of air applies on the air or a surface below is called:
Air Pressure
What type of air mass would have the greatest effect on weather in Canada?
Continental Polar
This front often creates severe storms.
Cold Front
Wind circulation patterns that change with the seasons are called:
Monsoons