Offering operationally reliable, surface-based and space-based subsystems with observing facilities on land, at sea, in the air and in outer space in support of the World Weather Watch...

Providing better hydrologic information, assessments and forecasts, so that Members are able to independently assess their water resources and respond to the threat of floods and droughts....

Enabling worldwide use of specialized and tailored products in support of environmental emergency response involving large-scale dispersion of air-borne hazardous substances.

Providing reliable, high quality, timely and cost-effective meteorological services to aviation users worldwide.

Coordinating the activities of Members related to the space-based observing system component of the WMO Integrated Global Observing System to ensure sustained and interoperable satellite observations and to promote their...

Coordinating the global system of telecommunication facilities and arrangements for the rapid collection, exchange and distribution of observations and processed information within the framework of the World Weather...

Addressing atmospheric composition on all scales: from global, regional, to local and urban.

Enabling the National Meteorological and Hydrological Services (NMHSs) in Least Developed Countries (LDCs) to enhance both human and institutional capacities in order to eradicate poverty, achieve internationally agreed development goals...