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9 Cards in this Set
- Front
- Back
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Precipitation |
Any form of water that falls from the clouds and reaches the Earth's surface. |
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Rain |
The most common type of precipitation. Must be .5 mmm in diameter to be considered rain. |
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Sleet |
When rain falls through a layer of air that is below freezing point and they freeze into a solid. Sleet is smaller than .5 mmm. |
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Freezing Rain |
Rain that falls into the freezing air just above the surface, or onto surface that is below freezing. Also may be referred to as glazing (freezes on contact). |
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Snow |
Water vapor that has condensed below the freezing point. They all have unique patterns and six sides. |
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Hail |
Round pellets of ice larger than .5 mmm. They only form inside cumulonimbus clouds during a thunderstorm. Strong up draft allow the freezing, collection of moisture, and refreezing of the hail stone. |
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Drought |
A period of weather that is drier than usual. |
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Cloud Seeding |
Tiny crystals of silver iodine and dry ice are sprinkled into clouds in order to try to create condensation and rain. |
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Rain Gauge |
An open ended can or tube that collect rainfall for measurement. |
