To Commemorate World Meteorological Day a set of four stamps illustrating instruments used in observing weather conditions.
VALUE
60 Dirhams - Shows the launch of a radio-sonde from the stern of an ocean weather ship
1 Riyal - Depicts a Key-type radio-sonde in the foreground with a balloon and radar target in the upper right.
1.25 Riyal - An American Tiros Operation Satellite and a weather sounding rocket.
3 Riyal - An Ariel type satellite and a rocket used for the launch.
