Meteorological conditions of a place averaged over a long period of time.
What is CLIMATE? (meteorology = a means of forecasting the weather)
100
Another name for a high pressure system.
What is an ANTICYCLONE?
100
This type of precipitation results when the leading edge of a warm moist air mass meets a cool and dry air mass.
What is FRONTAL PRECIPITATION?
100
The surface or line where two air masses with different characteristics meet.
What is a [weather] FRONT?
100
Symbol for a "cold front" on a surface weather map.
What is a LINE OF BLUE TRIANGLES?
200
A combination of temperature, precipitation, cloud cover, and winds experienced daily.
What is WEATHER?
200
In the Northern Hemisphere, winds blow in this direction around a depression.
What is COUNTERCLOCKWISE?
200
Precipitation caused on hot summer days, when heated land causes the less dense air to rise. As the air rises, it cools and condensation occurs. Rain or hail may fall from thunderclouds that build up.
What is CONVECTIONAL PRECIPITATION?
200
This front forces the warm air ahead of it to rise quickly, causing heavy precipitation, often in the form of thunderstorms.
What is a COLD FRONT? (Cold fronts move faster than warm fronts.)
200
Symbol for a "warm front" on a surface weather map.
What is a LINE OF RED SEMI-CIRCLES?
300
Winds that are most commonly found in an area. (What are they called in Canada?)
What is PREVAILING WINDS? (Canada's prevailing winds are called "WESTERLIES." They blow from west to east.)
300
A line on a map joining points with the same [or equal] atmospheric pressure. (temperature)
What is an ISOBAR? (What is an ISOTHERM?)
300
Precipitation which results from the lifting of moist air over an orographic barrier such as a mountain range.
What is RELIEF PRECIPITATION?
300
This occurs when a cold front catches up to a warm front, forcing all the warm air aloft.
What is an OCCLUDED FRONT? (An occluded front occurs when the faster moving cold front catches up and overtakes a warm front forcing the warm air up and off the ground.)
300
Another name for a low pressure system.
What is a DEPRESSION?
400
Large body of air having the same moisture and temperature conditions throughout.
What is an AIR MASS?
400
In the Northern Hemisphere, winds blow in a this direction around an anticyclone. (high pressure system)
What is CLOCKWISE?
400
An area having relatively little precipitation due to the effect of a barrier, such as a mountain range, that causes the prevailing winds to lose their moisture before reaching it.
What is RAIN SHADOW?
400
In this type of front, warm air rises slowly over the cold air, creating widespread areas of gentle precipitation.
What is WARM FRONT?
400
Another name for "relief precipitation."
What is OROGRAPHIC PRECIPITATION?
500
The consequence that large bodies of water have on the climate over nearby land areas.
What is the MODERATING EFFECT?
500
A combination line and bar graph used to illustrate long term average monthly temperature and precipitation for a climate station.
What is a CLIMATE GRAPH or CLIMOGRAPH?
500
Another name for "frontal precipitation."
What is CYCLONIC PRECIPITATION?
500
A weather front that is not moving.
What is a STATIONARY FRONT? (A stationary front is represented by alternating blue and red lines with blue triangles pointing towards the warmer air and red semi-circles pointing towards the colder air.)
500
Process whereby water vapour is cooled and changes from an invisible gas to liquid water.