Relationship between Altitude and Water Vapor

The Forgotten Water Vapor at High Altitudes ... As it drifts through the atmosphere, the vapor absorbs heat. The warm, moist air rises, leaving the planet's surface and emitting that heat back out into the upper atmosphere. The Forgotten Water Vapor at High Altitudes ... As it drifts through the atmosphere, the vapor absorbs heat. The warm, moist air rises, leaving the planet's surface and emitting that heat back out into the upper atmosphere.