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Relative Humidity
| Question | Answer |
|---|---|
| Direct measure of Dew Point | Reads Temp. when dew forms on outside of ice bath |
| Relative Humidity | Amount of water vapor in air/Amount of water vapor air can hold |
| Indirect measure of dew point | Uses tables after taking data from a sling psychrometer |
| Fog | Large mass of warm air cools as it flows over cold marine currents |
| Evaporation Fog | Over inland lakes (autumn) as warm water evaporates into cool air above |
| Subtropical desert | Low relative humidity (dry) due to descending air at 30 degrees N/S latitudes |
| Advective Fog | In valleys on clear nights; air condenses in contact with cold ground |
| Ground fog | Simply a cloud that touches the ground |
| Rain | Water vapor condenses around focus (particle)=>precipitation |
| Sling Psychrometer | instrument used to measure relative humidity |
| Temp Rain Forest (winter) | high relative to humidity (rain); high amount of water/little H2O air can hold |
| Wet bulb depression | Difference between wet and dry bulb temperatures after slinging |
| Dry Bulb | other thermometer of psychrometer is without wet cloth |
| Wet Bulb | One thermometer of Psychrometer is bathed with wet cloth |
| Condensation | Water vapor becomes liquid (dew) |
| Saturation | Air is said to reach ______ when RH=100% |
| Dew Point | Temperature at which relative humidity=100% |
| Wind Chill | wind=> lower air pressure=> higher evaporation from skin=>lower skin temperature |
Created by:
loveabeth
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