World Meteorological Day- 4 piastre

Issued in 1967, this stamp commemorates World Meteorological Day, observed annually on 23 March under the auspices of the World Meteorological Organization (WMO). The stamp features various meteorological instruments, including weather-monitoring equipment and an atmospheric sounding balloon, highlighting the scientific tools used to study weather patterns, climate, and atmospheric conditions. World Meteorological Day promotes international cooperation in meteorology and emphasizes the importance of weather forecasting and climate research in protecting lives and supporting economic development.

By issuing this commemorative stamp, the Kingdom of Saudi Arabia demonstrated its support for international scientific cooperation in meteorology and environmental monitoring. The issue highlighted the vital role of weather services in aviation, agriculture, marine navigation, water resource management, and public safety, while recognizing the contributions of meteorological science to national development and the well-being of communities around the world.