WMO Bulletin

The WMO Bulletin looks at how observations, science, data and global cooperation shape the way the world understands and responds to weather, climate and water risks. It focuses on the real-world impact of the work of the WMO community, in supporting early warnings and informed decision-making.

Mountain landscape with a winding road leading to buildings at the base, surrounded by rocky hills, snow patches, and distant snow-capped peaks under a cloudy sky.

WMO Bulletin Vol. 75 (1): The Air Issue

From ozone and greenhouse gases to wildfire smoke and sand and dust storms, discover the people and science behind atmospheric composition monitoring.

WMO Bulletin Vol. 74 (2) - 2025

Looking ahead to the WMO of the future

A network diagram with interconnected nodes, each containing circular photos of people engaged in various scientific and technical activities.

WMO Bulletin Vol. 74 (1) - 2025

WMO Marks 75 Years Delivering Science for Action

A group of people sits in a circle, engaged in discussion. The cover reads, "The Dividends of Climate Research, Data and Services," from the World Meteorological Organization Bulletin.

30 October 2024

WMO Bulletin Vol. 73 (2) – 2024

The Dividends of Climate Research, Data and Services

A woman smiling in front of a flag.

WMO Bulletin Vol. 73 (1) – 2024

The new WMO Secretary-General makes a commitment to put Members' needs first and to give them a voice.

Bulletin cover imge for A Paradigm Shift in Climate Modelling for Climate Services

23 November 2023

WMO Bulletin Vol. 72 (2) – 2023

A Paradigm Shift in Climate Modelling for Climate Services

A girl is standing in a flooded street.

WMO Bulletin Vol. 72 (1) – 2023

Early Warnings for All

Bulletin 71 (1) Cover

WMO Bulletin Vol 71 (1) - 2022

Early Warning and Anticipatory Action

Download PDF versions and 1953 - 2021 issues from the Library

Last updated: 1 October 2026