The World Meteorological Organization (WMO) is a specialized UN agency focused on meteorology, hydrology, and water resources, facilitating international cooperation and data exchange among its 193 member states. This document outlines WMO's initiatives and activities aimed at improving hydrological services, including the Flood Forecasting Initiative and the integrated flood management program. It emphasizes the importance of quality management, data operations, and capacity building in addressing water management challenges and disaster risks.