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28 Cards in this Set
- Front
- Back
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thermometer
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tool used for measuring air temperature
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windsock
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tool used for measuring wind direction
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cloud
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collection of millions of tiny water droplets or ice crystals
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water cycle
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the continuos movement of water from water sources, into the air onto an over land and back to the water sources
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anemometer
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tool used for measuring wind speed
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condensation
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the process in which a gas becomes a liquid
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barometer
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tool used for measuring air pressure
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lightning
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a large electrical discharge that occures between two oppisitly charged surfaces
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weather forecast
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prediction of weather conditions over the next 3-5 days
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dew point
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the temperature at which the air must be to become completly saturated
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wind vane
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tool used for measuring wind direction
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percipitation
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water in solid or liquid form that falls from the clouds and hit the earth
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Station model
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a symbol representing where a weather station is on a map
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humitidy
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the amount of water vapor or moisture in the air
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isobars
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lines that connect points of equal air pressure
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front
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when two differentair masses meet a boundary forms this boundary is a front
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thunder
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the sound that results from the rapid expansion of air along the lightning strike
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severe weather
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weather that can cause property damage or death
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stratus clouds
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clouds that form in layers
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tornado
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small rotating column of air that has high wind speeds and low central pressure and that touches the ground
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pyschrometer
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used to measure relative humidity
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relative humidity
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the amount of moisture the air contains compared with the maximum amount it can hold at a particular temperature
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Weather
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the con dition of the atmosphere at a particular time and place
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Air mass
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large body of air that has similar temperature and moisture throughout
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thunderstorm
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small intense weather systems that produces strong winds,heavy rains, lightning, and thunder
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cumulus clouds
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puffy white clouds w/ flat bottoms
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hurricane
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large rotating tropical weather system with wind speeds of at least 119 km/h
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cirrus clouds
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thin feathery white clouds found at high altitudes
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