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Dew point is defined as the temperature at which a given volume of air at a certain atmospheric pressure is saturated with water vapor.
So Dew point is effected by pressure. It can be calculated by working out by how much water vapor can be held in the parcel of air, vs how much water vapor is in the air, as well as what the OAT Temperature is.
If you watch the video on slide 5 and see the image slide 7 – (Thermodynamics – Aviation Training CBT (atcbt.com)
- This reply was modified 1 month, 1 week ago by Louise Hahn.