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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.

Latest Early warning additions in the Knowledge Base

Research briefs

Electric field signals reveal early warnings for extreme weather, study reveals

A new study has made significant advances in understanding how atmospheric electric field measurements can help predict severe weather events.
The Hebrew University of Jerusalem
Cover and source: Science Advances
Documents and publications

Forecast skill assessment of an operational continental heat-cold-health forecasting system: New avenues for health early warning systems

The study demonstrates and quantifies the forecast skill horizon of heat-cold-health forecasting systems, which is a necessary step toward generating trust among public health authorities and end users.
Update

Early Warnings for All advances but new challenges emerge

A flagship campaign to ensure that everyone on Earth is protected through life-saving early warning systems is advancing and accelerating. But the most vulnerable countries continue to suffer disproportionately as extreme heat emerges as a major killer.
World Meteorological Organization (WMO)
Update

Spain floods expose flaws in Europe's early warning systems

Spanish floods show the perils of failing to deliver early warnings as Europe grapples with deadly fallout of climate change.
Context
Research briefs

World's largest active volcano Mauna Loa showed telltale warning signs before erupting in 2022

About two months before Mauna Loa spewed rivers of glowing orange molten lava, geologists detected small earthquakes nearby and other signs, and they warned residents on Hawaii's Big Island.
PhysOrg, Omicron Technology Ltd
Woman looking at the ocean
Update

Navigating the waves: Strengthening tsunami preparedness in a changing climate

The aftermath of the 2004 tsunami led to the establishment of the Indian Ocean Tsunami Warning and Mitigation System (IOTWMS) which provides critical tsunami warning and mitigation services to 27 Indian Ocean Basin countries.
United Nations Economic and Social Commission for Asia and the Pacific (UN-ESCAP)
Cover
Documents and publications

Global status of multi-hazard early warning systems 2024

The report, the 2024 Global Status of Multi-Hazard Early Warning Systems, analyses the latest data one year into the Early Warnings for All Initiative which aims to cover everyone everywhere by 2027.
School Tsunami Preparedness Activity in Bali
Update

Early warning systems critical as world marks Tsunami Awareness Day

UN Secretary General António Guterres marks World Tsunami Awareness Day by stressing the critical need for early warning systems amid increasing extreme weather events like Spain's floods. The Early Warnings for All initiative aims for a universal access.
United Nations - Headquarters
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