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44 Cards in this Set
- Front
- Back
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Atmosphere
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gaseous envelope surrouding earth
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tropic of capricorn
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23.5 degrees S
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Plane of ecliptic
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plane that bisects the earth and the sun as the earth revolves around the sun
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How is the atmosphere heated
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bottom up
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Earths rotational axis is tilted...
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23.5 degrees
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Northern hemisphere winter solstice
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december 21
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Nothern hemi vernal equinox
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march 21
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Day of the year sunlight increases in southern hemi
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december 21
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equinox
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0 degree solar declination
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24 hours of sunlight on june 21st
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66.5 degrees North
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Insolation
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amount of incoming solar radiation that reaches the earths surface
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Nitrogen
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most abundant constant gas in the atmosphere
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troposphere
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layer of atmosphere that contains weather and humans
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number of microns used to distinguish short and longwave radiation
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4
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increase in temprature equals
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increase in energy emitted
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Convection
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transfer of energy vertically through a fluid
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albedo
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percent of energy reflected by an object
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latent heat
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stored when water evaporates
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high baromatic pressure
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results from sinking air
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Coriolis force
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apprent deflection of wind as it moves over the surface
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how many degrees of longitude make up a perfect world time zone
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15
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relative humidity
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ratio of actual amount of water in the atmosphere to the maximum possible at that temprature
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Freezing rain
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when rain drops fall through a subfreezing air near the surface
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leeward side
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the rain shadow of a mountain side
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windward side
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get the most rain and wind
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water vapor increases...dew point?
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increases
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mP air mass
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cool drizzly weather
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source region
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area which air mass develops its typifying characteristics
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cT air mass
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likely to have highest surface temprature
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Direction of tornado
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SW to NE
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mT air mass
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brings convectional rainfall to southeastern US
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Nimbostratus clouds
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associated with warm fronts
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Tropical wet (Af) climate
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daily temprature range usually exceed the annual temprature range
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Marine west coast (Cfc Cfb) climate
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has no pronounced dry season
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Koppen System
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based on temp, precip and vegatation
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Easterly waves
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storms that drift into the atlantic ocean from west Africa and form trigger for tropical storms
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Month tornados are most likely to occur
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may
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mesocyclones
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produced in cumulonimbus clouds by wind shear
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saturated adiabatic lapse rate is less than the adiabatic rate because?
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condensation releases latent heat
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sublimation
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phase change that requires the most heat energy
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cold front precipitation
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high in intensity short in duration
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warm front precipitation
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low in intensity long in duration
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The eyewall
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most severe windspeeds and storm conditions of a hurricane
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Frontal lifting
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what typical rainfall in the winter in maryland results from
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