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| refers to the state of the atmosphere at a certain time |
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| The amount of water vapor in n the air |
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| is the measure of the amount of water vapor present in the air compared to the amount needed for saturation |
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| The temperature at which air saturated and condensation forms |
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| Some clouds bring rain or snow, while thin wispy clouds appear on mostly sunny days |
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| The shape and height of clouds vary with temperature, pressure, and the amount of vapor in the atmosphere |
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| The three main clouds are stratus, cumulus, and cirrus |
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| smooth even sheets in the sky. Usually form at low altitudes and may be associated with fair weather |
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| When air is cooled, it forms a stratus cloud called fog |
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| Are massive, puffy, white clouds, often with flat bases . Can be associated with fair weather or thunderstorms |
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| Clouds appear fibrous or curly. they are high, thin, white, feathery clouds made of ice crystal. |
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| water falling form clouds |
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| Rain or snow producing clouds |
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| Usually are dark. because they have so much water, sunlight can not pass through them. |
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| is a person who studies weather |
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| shows the weather conditions at a specefic location on Earths surface |
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| A line that connects points of equal tempature is called and isothern |
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| Is a line drawn to connect points of equal atmatospherec pressure |
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| A large body of air that has properties similair to the part of Earth's surface over which it develops |
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| A boundrary between two air mases of differetn density, moisture or tempurature |
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| Involves three three air masses of different tempurature, cold air, warm air, and cool air |
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| Occurs when a boundary between air masses stops moving |
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| a map using a combination of symbols |
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| a line that connects points of equal temperature |
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