World Meteorological Day takes place every year on 23 March and commemorates the coming into force on 23 March 1950
of the Convention establishing the World Meteorological Organization.
Every year the WMO celebrates World Meteorological Day with a different theme.

This year's theme is "Early Warning and Early Action" and spotlights the vital importance
of Hydrometeorological and Climate Information for Disaster Risk Reduction.

Related video

Source: https://public.wmo.int/en