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winds
na
16
Science
6th Grade
09/18/2008

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Cards

Term
wind
Definition
air in motion/
moving air
Term
coriolis effect
Definition
global winds
caused by Earth's rotation
Term
prevailing winds/global winds
Definition
winds that blow in patterns caused by difference in air temp & pressure
Term
polar easterlies
Definition
90 - 60 degrees from east to west
Term
westerlies
Definition
60-30 degrees from west to east
affect US weather
Term
tradewinds
Definition
30-0 degrees blow toward the equator in counter-clockwise and clockwise patterns
Term
horse latitude
Definition
30 degrees north or south lat where winds are weak or don't blow
Term
doldrums
Definition
0 degrees where winds are weak or don't blow
Term
el nino
Definition
every 3-7 yrs trade winds weaken pacific ocean becomes very warm
Term
la nina
Definition
follows el nino pacific ocean cools
Term
upwelling
Definition
caused by winds blowing on surface of ocean- brings nutrients from ocean floor
Term
jet stream
Definition
narrow bands of high speed winds that blow in the upper atmosphere
Term
sea breeze
Definition
cool air blows over the water during the day toward land
Term
land breeze
Definition
cool air blows over the land at night toward the sea
Term
valley breeze
Definition
warm air rises up from the valley floor during the day t
Term
mountain breeze
Definition
cold air sinks from the mountains at night toward the valley
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