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En vidéo - Snow, rain, waves...
Understand levels of alertness in the event of a weather alert
Publié le 16 juin 2023 - Directorate for Legal and Administrative Information (Prime Minister)
[Video] Strong winds, rain, snow, cold weather, waves...: what vigilance in case of weather danger? To find out all about the subject, find our video with all the practical answers to the questions you ask yourself about weather vigilance levels.
Vidéo - [Video]: Understanding levels of vigilance in the event of a weather alert
Weather vigilance informs the population of dangerous weather phenomena.
High winds, rain, floods, thunderstorms, snow/ice, cold weather, heat...
It indicates by a map the dangers that threaten one or more departments within 24 hours.
4 colors (green, yellow, orange and red) are used to characterize the level of risk.
- Green: no particular vigilance.
- Yellow: be careful, especially if you practice outdoor activities.
- Orange: be very careful, dangerous phenomena are planned.
- Red: absolute vigilance is required, dangerous phenomena of exceptional intensity are foreseen.
FYI
In orange and red vigilance, a pictogram indicates on the map the type of expected phenomenon: strong wind, snow/ice, rain/flood, flood, thunderstorms, wave-submersion, severe cold, avalanche. The card is then accompanied by vigilance bulletins, updated as often as necessary. These bulletins set out the evolution of the phenomenon, its trajectory, its intensity and its end, as well as the possible consequences of this phenomenon and the behavioral advice defined by the public authorities.
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