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18 Cards in this Set
- Front
- Back
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Atmospheric Pressure |
Kilopascals kPa |
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Atmospheric Pressure measure by |
Barometer |
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High Pressure |
Cool, dry weather. Fair weather, light winds. Clockwise in Northern Hemisphere |
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Low Pressure |
Atmospheric pressure is lower than area surrounding it. Bad weather, cyclones or hurricanes Counter-clockwise in Northern Hemisphere |
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High Pressure is associated with... |
Sinking Air |
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Low Pressure is associated with... |
Rising Air |
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When air masses collide but do not mix... |
Fronts |
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4 types of fronts... |
Cold Fronts Warm Fronts Stationary Fronts Occluded Fronts |
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Cold Front |
Cold Air runs into slow moving warm air Cold air down, warm air up |
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Warm Front |
Warm air runs into slow moving cold air Cold air down, warm air overrides |
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Stationary Fronts |
Neither of air masses have enough influence Stand off can occur Snow or fog can occur |
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Occluded |
When a cold front overtakes a warm front The line where two fronts meet |
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ITCZ |
Subtropical winds converge |
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Subtropical High Pressure Belts |
2 zones in northern hemisphere 3 zones in southern hemisphere |
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Cyclones |
High pressure, calm centers |
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Anti-cyclones |
Bring fair weather |
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Winter Monsoon |
Dry, continental air from North across asia and middle easy |
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Summer Monsoon |
From Indian ocean, goes north to Asia, heavy rain in southern Asia |
