Total Precipitable Water

Wednesday, March 5, 2014
Total Precipitable Water (TPW, the column integrated amount of water vapor from the surface to the top of the atmosphere in kg/m2 or, equivalently, the depth, if condensed, in millimeters) blended from passive microwave instruments on five satellites: 3 NOAA satellites and 2 DMSP satellites. Other examples can be seen at the following Web sites: (transitioned to operations)