Hydrometeorology definition

The branch of meteorology that deals with the occurrence, motion, and changes of state of atmospheric water.

The scientific study of the interaction between meteorological and hydrologic phenomena, including the occurrence, motion, and changes of state of atmospheric water, and the land surface and subsurface phases of the hydrologic cycle. Hydrometeorologic studies address questions regarding land use, the long-term effects of climate change on water resources, and regional precipitation.