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19 Cards in this Set
- Front
- Back
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Tornado
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Violent, whirling windstorm that crosses land in a narrow path and can result from wind shears inside a thunderhead.
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Isotherm
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Line drawn on a weather map that connects points having equal temperature
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Meterorologist
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Studies weather and uses information from Doppler radar, weather satellites, computers and other instruments to make weather maps and provide forecasts
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Isobar
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Lines drawn on a weather map that connect pints having equal atmospheric pressure; also indicate the location of high - and low - pressure areas and can show wind speed
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Front
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Boundary between two air masses with different temperatures, density, or moisture; can be cold, warm, occluded, and stationary
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Air mass
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Large body of air that has the same characteristics of temperature and moisture content as the part of Earth's surface over which it formed
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Weather
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State of the atmosphere at a specific time and place, determined by factors including air pressure, amount of moisture in the air, temperature, wind, and precipitation
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Relative Humidity
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Measure of the amount of moisture held in the air compared with the amount it can hold at a given temperature; can range from 0% to 100%
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Fog
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A stratus cloud that forms when air is cooled to its dew point near the ground
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Nimbostratus Cloud
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A low dark gray rainy cloud layer
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Station Model
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Indicates weather conditions at a specific location, using a combination of symbols on a map
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Dew Point
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Temperature at which air is saturated and condensations forms
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Hurricane
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Large, severe storm that forms over tropical oceans, has winds of at least 120km/h, and loses power when it reaches land
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Air Pressure
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The pressure resulting from the weight of the atmosphere
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Precipitation
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Water falling from clouds - including rain, snow, sleet, and hail - whose form is determined by air temperature
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Cloud
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A visible mass of particles of water or ice in the form of fog, mist, or haze usually high in the air
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Saturated
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Full of moisture; unable to absorb any more moisture
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Blizzard
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Winter storm that lasts at least three hours with temperatures of -12 C or below. poor visibility, and winds of at least 51 km/h
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Humidity
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Amount of water vapor held in the air
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