World Meteorological Day

23 March

International

Why this date

Marks the founding of the WMO in 1950.

About the day

The World Meteorological Organization, a UN agency based in Geneva, came into being when its convention entered into force on 23 March 1950. Each year's theme focuses on weather, climate and water, including early warnings for disasters such as floods.

Observed by

World Meteorological Organization (WMO)