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Weather and Climate
Final exam vocab
7
Geography
Undergraduate 1
12/04/2012

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Cards

Term
Dew point temperature
Definition
Temperature at which a parcel of air reaches saturation at a specific water vapor content
Term
Relative Humidity
Definition
Percentage of water vapor in the air relative to how much water vapor the air can hold (changes with temperature
Term
What are the requirements for fog?
Definition
1) Light Winds 2)Moisture supply 3)Condensation Nuclei 4)Temperature below dew point
Term
Why does fog occur?
Definition
Because of either cooling, or more water vapor in the air
Term
Specific Humidity
Definition
mass of water vapor in the air
Term
Conditions for Tropical Cyclone
Definition
1) Sea surface has to be warm so lots of evaporation can occur 2)There has to be convergence zones of low pressure 3) Need winds at upper latitudes (divergence aloft to create chimney) 4)need Coriolis effect 5)need pre-exisiting disturbance (storm)
Term
Cyclone
Definition
Low pressure system creates inward spiraling bend with a central eye and surrounding storm wall
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