Tropical Cyclones

December 18, 2025

New “Testbed Handbook” for Madagascar

During the cyclone season in early 2025, ACACIA ran a series of weekly forecasting testbeds bringing together Madagascar’s national meteorological service (DGM), ACACIA scientists, and humanitarian stakeholders, including Croix-Rouge Malagasy (CRM). These hour-long online sessions created a regular space for… Continue reading
March 21, 2025

ECMWF accelerates transition to fully open data – a game-changer for ACACIA partners

By Erik Kolstad and Joshua Talib In a surprising and highly appreciated move, ECMWF has announced it will complete its transition to fully open data by 1 October 2025, a full year ahead of schedule. This means that the entire ECMWF Real-time… Continue reading
February 13, 2025

Calling weather by its right name

ACACIA researchers are coming to see that the way we scientifically name weather systems has consequences. Names affect how societies mobilise, and how prepared they are. Continue reading
January 9, 2025

Tropical storm Dikeledi

This post will updated as new forecasts came in (follow the latest forecasts from the ECMWF here). Latest update: 10 January, 09:30 UTC The tropical storm Dikeledi (picture from Zoom Earth on 9 January) is moving fast towards the northern… Continue reading