National Hydrometeorological Service in Ukraine - 100 Years of System Monitoring (1921–2021)

November 19, 2021, marks the 100th anniversary of the National Hydrometeorological Service of Ukraine. This article presents results of studies devoted to the history of formation and development of multifaceted activities of the Hydrometeorological Service, its importance in ensuring the sustainable socio-economic development of the country. The main attention is focused on consideration of the period that began from 1991 - the year of the proclamation of the state independence of Ukraine and the beginning of formation of the National Hydrometeorological Service. In 1999, the Law of Ukraine “On Hydrometeorological Activity” was adopted, in which the term “National Hydrometeorological Service” appeared firstly. A number of legal acts in the field of hydrometeorological activities were adopted by the Ukrainian Government, modern methods and technologies for conducting meteorological and hydrological observations and forecasting were introduced. In the difficult economic conditions, the Hydrometeorological Service managed to ensure the development in many areas of activities, to maintain, and in some areas, to expand observation networks, to introduce new types of hydrometeorological products and services for end - users. All these measures allowed the Hydrometeorological Service to gain the respect of others hydrometeorological services of Europe and the World Meteorological Organization.