Météo France has issued a yellow alert for floods in Pas-de-Calais and yellow for rain and flooding in the Somme.
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The Canche, the Liane, the Hem, the Lys-amont and the Lawe-Clarence-amont are on yellow alert, on a scale of four levels: green, yellow, orange and red. Five of the six main rivers of Pas-de-Calais are thus marked. Only Aa remains green.
That is to say, there is a “rrisk of flooding generating overflows and localized damage or a rapid and dangerous rise in water levels, requiring particular vigilance, particularly in the case of exposed and/or seasonal activities“, according to the Vigicrues website.
If, in Picardy and in the North, the other watercourses are green, on the other hand, the Somme department is on yellow “rain – flood” vigilance.
>> Also read: Up to 40 millimeters of rain expected overnight in Pas-de-Calais, the equivalent of two weeks of precipitation
The rainy episode should, according to Météo France forecasts, end on Wednesday November 20.
The wind is also expected to blow in gusts this night of around 85 km/h maximum, on the Pas-de-Calais coastline. Yellow alerts run until Tuesday, November 19, between 4:00 p.m. and 7:00 p.m., depending on the type of alert.
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