Flash Cards

Weather and Atmosphere

Term Definition
Atmopshere Thin layer of air that provides a protective covering around the planet.
Troposphere Lowest of the Earth's atmospheric layers.
Stratosphere The atmospheric layer above the Troposphere; Lower boundary of mesosphere.
Mesosphere Above the stratosphere.
Ionosphere Above the Mesosphere layer of electrically charged particles.
Thermosphere Above the mesosphere and below the height at which the atmosphere ceases to have the properties of a continuous medium.
Exosphere The outermost region of a planet's atmosphere.
Ultraviolet Radiation Energy that comes from the sun to the earth.
Ozone Layer An atmospheric layer in the stratosphere.
CFC's Chemical compound found in: Fridges, AC's, Aerosol Spray, and foam packages.
Air Mass Large body of air that has similar properties to the part of Earth's surface that it developed over.
Front A boundary between two air masses of different density, moisture, or temperature.
Tornado Violently rotating column of air in contact with the ground.
Hurricane The most powerful storm, large swirling low-pressure that forms over the Atlantic ocean.
Blizzard Winds are 56km/h, the temperature is low, the visibility is less than 400m in falling in blowing snow, and this persists for 3 hours.
Meteorologist Person who studies the weather
Station Model Shows the weather conditions at a specific location on earths surface.
Isotherm Line that connects points of equal temperatures.
Isobar Line that connects points of equal atmospheric pressure.
Occluded Front (Purple triangles and semicircles) are three air masses of different temperatures: Colder air, Cool air, and Warm air.
Stationary Front (Red semicircles, and Blue triangles) is when a boundary of air masses stops advancing.
Cold Front (Blue Triangles) Occurs when colder air advances towards warm air
Warm Front (Red Semicircles) Lighter, Warmer air advances over heavier, colder air

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