The World Meteorological Congress is the highest decision-making body of the WMO, with six Regional Associations under it
Background
The World Meteorological Organization comprises the World Meteorological Congress, the Executive Council, Regional Associations, two Technical Commissions and the Research Board, and the Secretariat.
The World Meteorological Congress is the highest decision-making body, and additional bodies are established by Congress.
The Executive Council implements decisions adopted by the Congress.
The six Regional Associations coordinate meteorological, hydrological and related activities within their respective Regions.
Experts on the Technical Commissions and the Research Board study technical matters and make recommendations to Congress and the Executive Council.
The Officers of WMO are a President and three Vice-Presidents, who are also chair and vice-chairs of Congress and the Executive Council.
All Officers and members of the Executive Council act as representatives of the Organization and not of particular Members.
The Secretary-General directs the work of the Secretariat, headquartered in Geneva, and is the legal representative of the Organization.
In plain words
WMO World Meteorological Organization — The specialized agency of the United Nations system for weather, climate and water.
World Meteorological Congress World Meteorological Congress — The highest decision-making body of the WMO, which also establishes additional bodies.
Executive Council Executive Council of the WMO — The body that implements the decisions adopted by the Congress.