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15 Cards in this Set

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Relative humidity
compares the actual amount of water vapor in the air(specific humidity) with the maximum amount of water vapor the air can hold at that temperature(its capacity)
How do you find relative humidity
measured in %
specific humidity/capacity then x by 100 (%)
Condensation
change from water vapor to liquid water
Evaporation
change from liquid water to water vapor
Precipitation
the falling of any form of water from the air to Earth's surface
cirrus clouds
thin feathery or tufted, high, ice crystals
stratus clouds
low sheets or layers
cumulus clouds
formed by vertically rising air currents, thick puffy masses
alto
high
nimbus
rain cloud
How do clouds form?
air above the surface cools below its dew point
How do clouds get their shape?
shape depends on air movement
horizontal-layers(stratiform)
vertical-upward piles(cumuliform)
5-6 types of precipitation
1-drizzle, 2-raindrops, 3-snow, 4-sleet, 5-glaze, 6-Hail
drizzle
fine drops, slowly fall close together
Raindrops
larger, farther apart, fall faster