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Early warning

An integrated system of hazard monitoring, forecasting and prediction, disaster risk assessment, communication and preparedness activities systems and processes that enables individuals, communities, governments, businesses and others to take timely action to reduce disaster risks in advance of hazardous events. Early warning systems are a key component of disaster risk management activities.

Early Warnings for All is a groundbreaking initiative to ensure that everyone on Earth is protected from hazardous weather, water, or climate events through life-saving early warning systems by the end of 2027. Stay informed about the groundbreaking "Early Warnings for All" initiative.

In Mozambique, experience from past disasters has helped shape a powerful national system for disaster risk reduction.
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Latest Early warning additions in the Knowledge Base

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Research briefs
As monsoon transforms, study warns of deadly heat-rain double threat—and reveals a 2-year prediction breakthrough

As India grapples with record heat and a delayed monsoon, the research paints a sobering picture: climate change is creating a deadly "dual threat" of extreme humid heat and catastrophic rainfall.

Institute of Atmospheric Physics, Chinese Academy of Sciences
Update
Climate warnings need to be told in tangible ways to prevent disaster

England is sweltering under an red heat health alert and could see its hottest June day on record. In North America, football fans and players are suffering, with a quarter of this summer’s World Cup matches forecast to be played in dangerous heat.

Conversation Media Group, the
Fisherman selling fish at the local dock in Montague Dock in The Bahamas
Update
Fishermen in the Bahamas are collecting data that could improve forecasts

Fishing boats equipped with sensors are gathering data on ocean depth and temperature.

Yale Climate Connections
Understanding the global landscape of heat early warning systems thumbnail
Documents and publications
Understanding the global landscape of heat early warning systems

This report provides a global overview Heat Early Warning Systems, examining where they exist, how they are designed and operated, and their challenges and opportunities.

Zurich Climate Resilience Alliance
Update
The tech that warns millions in seconds and the risk that comes with it

Experts say when people receive too many warnings, especially for events that do not directly affect them, they begin to tune them out.

New Delhi Television, NDTV Convergence Ltd.
Belize comes together to improve how disaster losses and damages are tracked and monitored
Update
Belize shows why investing in early warnings pays off

In Belize, the value of early warnings is now being shown not only through the lives and livelihoods they help protect, but also through the economic benefits they bring.

World Meteorological Organization (WMO)
Multi-hazard early warnings for all. Roadmap for Samoa thumbnail
Policies and plans
National policies and plans
Multi-hazard early warnings for all: Roadmap for Samoa

The Multi-Hazard Early Warnings for All (EW4All) Roadmap for Samoa 2026–2036 outlines Samoa’s strategy for strengthening its national early warning systems to better prepare for and respond to natural hazards and climate-related disasters.

Samoa - government
Research briefs
50-megapixel Earth models capture storms in unprecedented detail — but share four consistent blind spots

Traditional global climate models were like early digital cameras — they had only about ten thousand pixels to cover the entire planet. At that low resolution, big storm systems looked like blurry blobs.

Institute of Atmospheric Physics, Chinese Academy of Sciences
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