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21 Cards in this Set
- Front
- Back
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Visible Satellite Image
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Cloud patterns on a visible satelite image can identify not only a specific type of weather system but also the stage of its life cycle and its direction of movement when a sequence of images is animated
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Infrared Satellite Image
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Tell the temperature of an object, so can give images 24 hours a day.
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Stratus Clouds
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Horizon layers
Develop where air ascends over a broad region Develop ahead of a warm front |
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Cumulus Clouds
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Appear puffy
Develop ahead of a cold front Produced by vigorous ascent of air Vertical development |
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Cumulonimbus Clouds
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Thunderstorm cloud
Can produce rain, hail, gusty wind, and tornadoes |
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Cyclone
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High air pressure system
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Anti-cyclones
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Low pressure air system
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Doppler Effect
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Device that measures speed
Monitors weather movements |
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S.A.M.E.
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Same Area Message Encoding
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P.O.E.S.
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Polar-Orbiting Operational Environmental Satellite
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Water Vapor Satellite Imagery
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Displays water vapor concentration between altitudes of about 5000 and 12000 m on a gray scale.
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Weather radar
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locates and tracks the movement of areas of precipitation and monitoring the circulation withing small-scale weather systems
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Dewpoint (frost point)
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Temperature to which air must be cooled at constant pressure to become saturated with water vapor and for dew to begin forming on relatively cold surfaces.
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Relative humidity
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The measure of an actual concentration of water vapor component the air would have if saturated with water vapor. Always expressed with percentage.
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Air Pressure
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The weight of a column of air over a unit area of the Earth's surface.
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Barometer
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The instrument used to measure air pressure.
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Wind direction
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The compass direction from which the wind blows
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Wind speed
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Wind speed tends to increase as a cold front passes a location and winds are particularly strong and gusty in the vicinity of thunder storms.
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Weather
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State of the atmosphere at a given time and a given place depending on temperature, humidity, and cloudiness.
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Climate
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Weather conditions at some locality averaged over a specified time period plus extremes in weather.
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G.O.E.S.
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Geostationary Operational Environmental Satellite
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