Public warning with feedback

Early warning is critical when it comes to minimise the number of casualties and limit the consequences of the

Unstable condition involving an impending abrupt or significant change that requires urgent attention and action to protect life, assets, property or the environment.
 

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(preventing cascading events). The improvement of prediction capabilities (early warning information needs to be more understandable by responders and/or public) and the improvement of the dissemination of

Situation where widespread human, material, economic or environmental losses have occurred which exceeded the ability of the affected organisation, community or society to respond and recover using its own resources.

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alerts, notably to reach vulnerable groups are two main aspects in this regard. The use of social media to monitor the population reaction to an alert, and to some extent check the reception of the information using sentiment analysis or reality mining can provide useful information regarding the attitude of people.

References in the literature: there are gaps identified in the literature about early warning systems and the The means to accomplish one or more tasks under specific conditions.

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to alert vulnerable groups, but nothing was found regarding the verification of the reception of the message by the target audience.