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48 Cards in this Set

  • Front
  • Back
What is the most prominent gas in the atmosphere?
Nitrogen
Temperature layers in the Atmosphere. What are they?
Troposphere
~Tropapause~
Stratosphere
~Stratopause~
Mesosphere
~Mesopause~
Thermosphere
What are the 7 weather elements?
Temperature
Precipitation
Wind
Visibility
Pressure
Clouds
Humidity (Dew point)
What are the different types of storms from largest to smallest?
Mid latitude storms - across the country from west-east 1000's of miles
Hurricanes - 100's of miles
Thunder Storms - 10's miles
Tornadoes - spawned from thunderstorms
List the two most prominent gases in the atmosphere.
Nitrogen and Oxygen
Coriolis force
this force causes moving particles (including wind) to deflect to the right in the Northern Hemisphere.
Conduction
Energy exchange through a solid
Convection
Energy exchange through air
Radiation
Energy exchange though electromagnetic waves
What are the 4 controls of temperature?
Latitude
Land and Water
Ocean Currents
Elevation
temp controls - Latitude
Average temp decrease poleward from the tropics and sub-tropics. With a greater variation in the winter than in summer.
temp controls - Land and Water Distribution
Solar energy is absorbed unequally by land and water. Land absorbs through a thin layer of soil but water absorbs deeply.
temp controls - Ocean Currents
Along the eastern margins warm ocean currents transport warm water poleward, while, along western margins they transport cold water equator-ward.
temp controls - Elevation
Due to less dense air at high elevations the absorption of solar radiation is less and there is a standard temp lapse rate of 3.6F per 1000 ft.
Dew Point
The Temperature to which air must be cooled for saturation to occur.
High clouds
Middle clouds
Low clouds
Cirro (high) 20000ft
Alto (middle) 6000ft
Stratus or Cumulus
High Clouds
Cirrus (Ci)
Cirrostratus (Cs)
Cirrocumulus (Cc)
Middle Clouds
Altostratus (As)
Altocumulus (Ac)
Low Clouds
Stratus (St)
Stratocumulus (Sc)
Nimbostratus (Ns)
Clouds with Vertical Development
Cumulus (Cu)
Cumulonimbus (Cb)
What is an Isobar?
Lines connecting points of equal pressure
How does wind follow pressure?
low pressure counter clockwise
high pressure clockwise
As you go up in the atmosphere the temperature decreases by how many degrees per 1000ft.?
5.5F/10C Dry
3.3F/6C Wet (after saturation)
What are the 3 different ways to classify the atmosphere?
Electrical
Gas
Temp Profile
What is the temperature profile of the atmosphere as you go up?
Temp goes down in the troposphere
Temp goes up in the
Stratosphere
Temp goes down in the
mesosphere
Temp goes way up in the Thermosphere
Heterosphere and Homosphere which is which?
Homosphere is the layer below the thermosphere where the air is mixed (78% nitrogen 21% oxygen)
In the Heterosphere air is unable to keep itself mixed and diffusion takes place. Gasses layer themselves according to molecular weight.
When do you get the most radiational cooling?
At night with no clouds
If the wind is reported as a NW wind what direction is it coming from?
North West
What are the 3 states of H2O?
Solid Gas Liquid
What is the primary way you find water in the atmosphere?
Gas (water vapor)
What are the different types of fog?
Radiation
Advection
Upsolpe
Evaporation
The process by which a liquid changes into a gas.
Evaporation
The process by which water vapor becomes a liquid.
Condensation
When a front moves through what changes?
Temperature
Wind changes 90degrees
Dip in pressure
Relative humidity changes
How does the wind change when a front moves through?
90 degrees
SW to NW if cold
NW to SW if hot
What is the standard pressure at sea level?
1013 mb/hpa or 29.92 in/Hg
cPk
Continental Polar Cold
mPw
Martime Polar Warm
cPw
Continental Polar Warm
mPk
Martime Polar Cold
cTw
Continental Tropical Warm
mTk
Martime Tropical Cold
cTk
Continental Tropical Cold
mTw
Martime Tropical Warm
How are clouds formed?
Convection
Lifting along topography
Convergence of air
Lifting along weather fronts
Sea Breeze
Type of thermal circulation caused by the uneven heating rates of land and water. During the day the land heats more quickly than the water and the intensive heating of the air above produces a shallow thermal low over the land. the air over the water remains cooler creating a shallow thermal high. The overall effect of this pressure distribution is a breeze that blows from the sea to land.
Land Breeze
at night the land cools more quickly than the water producing a high pressure over land and a Low over water. The high pressure fills in the low causing a breeze out to sea.
Math problem
-3 deg F cooling going up wet
+6 deg F warming coming down dry