Noun
That branch of meteorology which relates to, or treats of, water in the atmosphere, or its phenomena, as rain, clouds, snow, hail, storms, etc.
Source: Webster's dictionaryAccording to the Bashkir Office for Hydrometeorology and Environmental Monitoring, it will be partly cloudy with sunny periods. Source: Internet
The average monthly temperature in April will be close normal and in some areas above normal in Azerbaijan, the National Hydrometeorology Department of the Ministry of Ecology and Natural Resources told APA on Thursday. Source: Internet