Agencia Estatal de Meteorología, AEMET (translated from Spanish as the State Meteorological Agency) is a government agency, under the Ministry of Agriculture, Food and Environment.

The World Meteorological Organization (WMO) is a specialized agency of the United Nations. It is the UN system's authoritative voice on the state and behaviour of the Earth's atmosphere, its interaction with the oceans, the climate it produces and the resulting distribution of water resources.

Constantly seeking to foster and support the sustainable growth of air transport, the International Civil Aviation Organization serves as the global forum for its 191 Member States.

Aeronautical Information Services.

Guides that contain what aeronautical meteorological information AEMET provides to users and technical studies related to aeronautical meteorology.

Severe weather information center of the World Meteorological Organization.

The main objective of the EUMETNET-ABO (Aircraft Based Observations) Operational Service is to fulfil the requirements of the EUCOS Operational Programme for measurements of high quality upper air meteorological variables from aircraft.