It either flows somewhere else or seeps into the ground.
The changing of gaseous water vapor in the air to liquid water is called condensation. If it does so high up in the atmosphere and falls as droplets to the ground we call that "rain" - but it has to undergo condensation first.
Virga
Evaporation, condensation, and that last one where the rain falls back down again in the water cycle.
If a meteor survives the trip through the atmosphere and hits the ground, we call it a "meteorite".
Ground water, surface water, river water, etc.
Relative humidity the exact amount of water vapor in the atmosphere (specific humidity)
I think you are looking for "water vapor"
Its called as surface water.
groundwater
Saturation
a cloud
A cloud.