Early Warning Systems for weather-induced hazards

In this course, you will explore the main components of an Early Warning System and how they work together to support timely and effective action. While all parts of the warning cycle are important, we will focus primarily on the core technical elements: monitoring, forecasting, and risk identification.

These elements form the engine of an Early Warning System. They help detect potentially hazardous conditions, anticipate possible impacts, and provide the information needed to support decision-making before a disaster occurs.

You will also be introduced to other important topics, including disaster preparedness, risk reduction, protective actions, and warning communication.

This course was developed within the MedEWSa project.

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Fundamentals

Level

2 hours

Estimated duration

Multi-lesson course

Type of learning resource

What you'll learn

By the end of this course, participants will be able to:

Explain the role of an Early Warning
System (EWS) in mitigating impacts of weather-related events
Identify the four pillars of an EWS
Define the main components of an EWS
Describe key actors involved across an
EWS
Identify common reasons why EWS sometimes
fail
Explain how
observations and forecasts support hazard monitoring and prediction
Describe how forecasts are
transformed into warnings
Explain why hazard forecasts are
not perfect and why the information on the quality of past forecasts matters
for decision-making
Explain how different warnings
can support anticipatory actions
Describe the warning communication chain
Identify key components of an effective warning message
Apply inclusive communication principles