“Pas-de-Calais again on red alert in the coming hours, other floods possible”
Pas-de-Calais and two others in the next few hours parts are on orange alert for floods. But the territory of Hauts-de-France affected; by floods will have to "go back to red alert" this Thursday at the latest according to Minister Christophe B&eac;chu.
The return to normal is still not expected to the north and to the south. the west of France. Three departments are on orange alert for floods this Wednesday, November 8: Charente, Charente-Maritime and Pas-de-Calais. It is in this territory of Hauts-de-France that it has already been established. touched by floods that the alert is the most serious. While the Liane and the Aa emerged from their beds yesterday in “exceptional floods”, vigilance only concerns the Canche this Wednesday. The declines continued under the light precipitation this Wednesday morning, but the calm should end in the second part of the day with heavier showers.
Pas-de-Calais in red again
The rains will intensify "from Thursday" in Hauts-de-France warns the Vigicrues agency: "These new precipitations could slow down the current declines or even generate new floods in basins already in decline. saturated and very reactive waterways." The Minister of Ecological Transition Christophe Béchu, who visited Pas-de-Calais on the morning of November 8, also indicated that that according to forecasts from Météo France "it will be necessary to return certain sectors to red alert given the risk of flooding" from tomorrow.
Meteorologist Patrick Marlière estimated on his side that vigilance could "go up a notch" from this Wednesday evening at the microphone of BFM Grand Lille, notably at; cause of the rains: "The accumulation between this noon and tomorrow evening, this will give almost 60 liters per square meteré in certain sectors, the most affected elsewhere: the north of Boulonnais, the Calaisis, the south of the region between Boulonnais and the Bay of Somme."
Les crues qui touchent les bassins de la #Liane et de l'#AA dans le #PasDeCalais sont impressionnantes. Il est tombé loc. près de 30 % de la pluviométrie annuelle depuis la mi-octobre. Et ce n'est pas fini : la prochaine perturbation demain apportera jusqu'à 40 mm… #inondation pic.twitter.com/1hTvP1yzz4
— Guillaume Woznica (@GWoznica) November 7, 2023
Ongoing floods and others "still possible"
In the aftermath of the Liane floods and the overflow “greater than the historic flood of 2002" of the Aa, the watercourses "came back down to “more moderate overflow levels”. But the Canche still has levels to match. the increase with overflows which could be damaging in the coming days and “significant flooding is possible”, writes Vigicrues in its bulletin. come to starting from Wednesday afternoon and until Thursday evening, all watercourses could be at risk. experience floods again. Note that 60 municipalities have been flooded in the department since Monday November 6 and that some of them still have their feet in water: 32 municipalities in the Liane sector, 30 in the #39;Aa, 21 from the Canche and 15 from the Hem. This represents 292,000 people.