On a bitterly cold morning the outside temperature and dew point are both -7°C. What is the relative humidity ?
On a bitterly cold morning the outside temperature and dew point are both -7°C. What is the relative humidity outside? Explain.
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lol, is this math homework?
the relative humidity would be 100% because the dew point is the temperature at which the air must be cooled for saturation to occur . Saturation is the maximum amount of water the air can hold at a given temperature. so if the dew point ( the temperature at which you achieve saturation ) is -7 and the actual temperature outside is -7 then the air is at the point of saturation at that temperature. the colder the air is the less water it can hold. the warmer the temperature the more water the air can hold . If the dew point and the temperature is the same the relative humidity will always be 100%
100% with very thick freezing fog. The roads are probably glazed with a dangerous layer of ice.
100%. There would definitely be some thick freezing fog around in temperatures like that.
The R.H. will be 100 percent.