ESS11
Prof. Jin-Yi Yu
Specific .vs. Relative Humidity
qSpecific Humidity: How
many grams of water vapor in one kilogram of air (in unit of gm/kg).
qRelative Humidity: The
percentage of current moisture content to the saturated moisture amount (in unit of %).
qClouds form when the relative humidity reaches 100%.
specific humidity
6 gm/kg
saturated
specific humidity
10 gm/kg
saturated
specific humidity
20 gm/kg
Relative humidity
6/20 x 100%=30 %
Relative humidity
6/10 x 100%=60 %