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Each year, on 23 March, the World Meteorological Organization, its 191 Members and the worldwide meteorological community celebrate World Meteorological Day around a chosen theme. This day commemorates the entry into force, on that date in 1950, of the WMO Convention creating the Organization. Subsequently, in 1951, WMO was designated a specialized agency of the United Nations System.

This year, the theme is “Watching the weather to protect life and property."

The day aims to promote global cooperation in the establishment of metrological observation stations. Many different activities and events are organized on this occasion.

Various events like conferences, symposia and exhibitions for meteorological professionals and general public are conducted. Prize ceremony is also organized and awards are given to those who have made notable contribution in this field. Some countries issue special postage stamps to celebrate the day. WMO is a global observance. Campaigns are held to inform public about climatic variability and change, to understand the impact of meteorology on environment and how to address environmental issues. The day aims to bring the focus on meteorology department and how to promote research and training in this field.