Organisation Météorologique Mondiale

La crise climatique est LE défi déterminant auquel l’humanité est confrontée.

Celeste Saulo, Secrétaire générale de l’OMM

Publication

State of the Climate in the South-West Pacific 2023

Aerial view of a triangular atoll surrounded by deep blue ocean, with a mix of shallow turquoise waters, reefs, and scattered clouds.

In focus

UN Secretary-General’s Call to Action on Extreme Heat

In focus

WMO and COPE Disaster Champions

Sujet

Ocean

Dernières actualités

A scenic view of terraced rice fields with palm trees in the foreground and a mountain range under an illuminated, cloudy sky in the background.

27 août 2024

Climate change transforms Pacific Islands

A speaker addresses a group of schoolchildren seated on the floor in a decorated room with a projected presentation behind them. Several adults are standing, and a cameraman is filming the event.

26 août 2024

Early warnings and sea level rise are focus of Pacific Islands Forum

A tall structure with a large radar dome painted to resemble a red and white soccer ball is labeled "Radar Meteorológico da Beira" against a cloudy sky.

22 août 2024

Mozambique takes strides towards Early Warnings for All

A damaged utility pole leans over a road, with debris and roofing materials scattered around in a hilly residential area. Houses and trees are visible in the background under a cloudy sky.

15 août 2024

Hurricanes are inevitable, but disasters are not: OpEd

Empty city street intersection at sunrise with visible road markings, including a straight arrow and a pedestrian crosswalk.

13 août 2024

July sets new temperature records

Two large satellite dishes are situated in a snowy landscape with mountains in the background. The sun is partially visible behind one of the dishes, casting light through its structure.

07 août 2024

New WMO project to improve weather forecasts in Arctic and Antarctic

A man in a suit and tie speaks into microphones at a podium against a backdrop with green and orange sections.

25 juillet 2024

UN Secretary-General issues call to action on extreme heat

Hands are cupped together in front of a sunset over a beach, framing the sun. The sky has vibrant shades of orange, yellow, and blue.

24 juillet 2024

Earth experiences warmest day in recent history

The Eiffel Tower is framed through the Olympic rings in Paris at sunset, with a colorful sky in the background.

24 juillet 2024

Paris Olympics will advance research into weather forecasting and urban meteorology

A child in a pink shirt and black boots stands in the middle of a flooded residential street surrounded by houses on a cloudy day.

Initiative «Alertes précoces pour tous»

L’Initiative «Alertes précoces pour tous» est une action sans précédent qui vise à protéger tous les habitants de la planète d’ici à la fin de 2027 contre les phénomènes météorologiques, hydrologiques et climatiques dangereux grâce à des systèmes d’alerte précoce permettant de sauver des vies.

Initiative mondiale sur des alertes précoces pour tous

WMO 2025 Calendar Competition

This year's theme aligns with the theme of World Meteorological Day 2025: “Closing the early warning gap together” focusing on the Early Warnings for All initiative. The deadline to enter is 1 September 2024.