Below is a list of resources produced by the ACACIA project thus far.

Factsheets

This section brings together a set of factsheets covering a wide range of topics. Factsheets are available in both English and French to support a wider range of users.

• Factsheet on Tropical Cyclones for Madagascar – English/l’anglais
• Fiche d’information sur les cyclones tropicaux à Madagascar – French/le français

• Factsheet on the Madden-Julian Oscillation (MJO) – English/l’anglais
• Fiche d’information sur l’oscillation Madden-Julian (MJO) – French/le français

• Factsheet on ECMWF tropical storm sub-seasonal forecast products – English/l’anglais
• Fiche d’information sur les produits de prévision intra-saisonnière des tempêtes tropicales de l’ECMWF – French/le français

Testbed handbook

This section contains the first iteration of a Testbed Handbook, produced after our first testbed in Madagascar in 2025. This handbook is intended to serve as a helpful guide for new and returning testbed members and will continue to be iterated throughout the testbed cycles. A French version will be available soon. 

Newsletters

This section contains the project newsletters, produced approximately every six months, highlighting key project news, work package updates, and developments from sister projects.

• ACACIA 1st Newsletter April 2025
• ACACIA 2nd Newsletter November 2025
• ACACIA 3rd Newsletter August 2026

Virtual Learning Series (Summary Factsheets)

Following ACACIA’s virtual training sessions, key materials have been consolidated into five summary factsheets covering different aspects of sub-seasonal forecasting.

• Session 1 – Fundamental concepts of sub-seasonal forecasting – by Rondro Barimalala, Senior Researcher at NORCE
• Session 2 – Understanding forecast uncertainty – by Piotr Wolski, Hydro-climatologist at the CSAG, University of Cape Town
• Session 3 – Forecast skill and verification – by Joshua Talib, Research Scientist at ECMWF
• Session 4 – Forecast principles and products – by Ferdinand Rafanomezantsoa at Meteo Madagascar
• Session 5 – Communicating forecasts – by Linda Hirons at NCAS and University of Reading

Podcast episode

In July 2026, the Red Cross Red Crescent Climate Centre posted a new podcast episode about our project (se blog post here). Listen to the episode on Spotify here: