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15 Cards in this Set

  • Front
  • Back
layer of the Earth's atmosphere that is closest to the ground and contains 99% of the water vapor and 75% of the atmospheric gases
the layer of the Earth's atmosphere that is directly above the troposhere; it extends from 10 km above the Earth's surface to 50 km
the layer of the Earth's atmosphere that extends from the top of the stratosphere to about 85 km above Earth
the layer of the Earth's atomsphere named for it's high temperature; it is the thickest layer of the Earth's atmosphere and is found between 85 km and 500 km above the Earth's surface
the outermost layer of the Earth's atmosphere
large body of air that has the same characteristics of temperature and moisture content as the part of the Earth's surface over which it is formed
air mass
narrow belt of strong winds that blows near the top of the troposhere
jet stream
causes moving air and water to turn left in the southern hemisphere and turn right in the norhtern hemisphere due to the Earth's rotation
Coriolis Effect
climatic event the begins in the tropical Pacific Ocean; may occur when trade winds weaken or reverse, and can disrupt normal temperature and precipitation patterns around the world
El Nino
the opposite of El Nino; the winds blowing across the Pacific are stronger than normal, causing warm water to accumulate in the Western Pacific; this may cause droughts in the Southern United States and excess rainfall in the northwestern US
La Nino
large, severe storm that forms over tropical oceans, has winds of at least 120 km/h, and loses power when it reaches land
studeis weather and uses information from Doppler radar, weather satellites, computers, and other instruments to make weather maps and provide forecasts
temperature at which air is saturated and condensation forms
Dew Point
amount of water vapor held in the air
any rainwater that does not soak into the ground or evaporate but flows over Earth's surface