Description
Calculate relative humidity from temperature, dew point, and pressure. \(w\) is the mixing ratio.
Formula
$$
w_{tdry} = w (t, p)\\
w_{dewpt} = w (dp, p)\\
rh = 100.0 \frac {w_{dewpt}} {w_{tdry}}
$$
Source
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Calculate relative humidity from temperature, dew point, and pressure. \(w\) is the mixing ratio.