vigilance consequences et conseils | National Institute of Meteorology

Consequences and advice

Strong Wind

Sandstorm

Rain-flood

Thunderstorms

Snow

Heat Wave

Sandstorm

Red vigilance

Possible damage:

A very violent sandstorm likely to disturb significantly human activities and economic life for several days.

Significant damage is to be expected.

Very dangerous road traffic conditions, impossibility of air transportation, and much difficulty for rail and sea transportation.

Very significant damage that can affect electricity and phone distribution networks for several days.

Houses, parks, plantations and forest areas are subject to a serious damage.

Behaviour:

Be careful and vigilant if you absolutely have to move.

Avoid leisure activities.

Take all the necessary precautions to deal with the consequences of a sandstorm

No particular awareness of the weather is required..
Be careful. The weather is potentially dangerous. The weather phenomena that have been forecast are not unusual, but be attentive if you intend to practice activities exposed to meteorological risks.
Be very careful. The weather is dangerous. Unusual meteorological phenomena have been forecast. Damage and casualties are likely to happen.
The weather is very dangerous. Exceptionally intense meteorological phenomena have been forecast.

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