Early warning system
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.
Glossary Source
UNDRR 2016
(
UNDRR - Report of the open-ended intergovernmental expert working group on indicators and terminology relating to disaster risk reduction
)
https://www.undrr.org/terminology