WMO Regional Association (RA) | WMO Member/Host Institution of Lead Centre | | Responsible for GSN and GUAN stations in: | |
| | | Algeria, Benin, Burkina Faso, Cameroon, Comoros Islands, Cape Verde, Central African Republic, Chad, Congo, Côte d'Ivoire, Egypt, Gabon, Ghana, Gambia, Guinea, Guinea Bissau, Guinea Equatorial, Liberia, Libyan Arab Jamahiriya, Madagascar, Mali, Niger, Nigeria, Mauritania, Morocco, Senegal, Sierra Leone, Sao Tome and Principe, Sudan, Togo, Tunisia | |
| | | Angola, Botswana , Burundi, Canary Island, Democratic Republic of the Congo, Djibouti, Eritrea, Ethiopia, Kenya, Lesotho, Malawi, Mauritius, Mozambique, Namibia, the Ocean Islands (St. Helena Island, Ascension Island, Martin de Vivies, Iles Crozet, Iles Kerguelen), Rwanda, Seychelles, Somalia, South Africa, Swaziland, Uganda, United Republic of Tanzania, Zambia, Zimbabwe | |
RA II (Asia), RA VI (Europe) | | | Afghanistan, Armenia, Azerbaijan, Bahrain, India, Iran, Jordan, Kazakhstan, Kyrgyzstan, Maldives, Nepal, Oman, Pakistan, Qatar, Russian Federation, Saudi Arabia, Sri Lanka, Syria, Tajikistan, Turkey, United Arab Emirates, Yemen | |
| | | Brunei, Cambodia, China, Japan, Laos, Malaysia, Mongolia, Myanmar, Philippines, Republic of Korea, Singapore, Thailand, Vietnam | |
| | | All of RA III (South America) | |
RA IV (North and Central America, Caribbean) | | | Most of RA IV (North and Central America, and the Caribbean) and Hawaii | |
RA V (South-West Pacific) | | | Most of RA V, except those areas noted for Japan and Hawaii | |
| | | Most of RA VI (Europe), except those countries noted for Iran | |
| | | | |