The forecasts remain to be refined. Two days before, Météo-France indicates possible snowfall on Thursday November 21, 2024 in Normandy. For the moment, flakes could fall in Orne, in the south of Calvados between Vire and Falaise, in the south of Eure and the east of Seine-Maritime. They could mix with rain.
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Negative temperatures Thursday evening?
Temperatures around 1° are expected in the afternoon in the cooler areas towards Alençon. Météo-France also forecasts around 3° in Norman Switzerland and between 4° and 6° on the Normandy coasts. For the night from Thursday to Friday, temperatures could be negative in places but with clear skies. Temperatures will rise over the weekend with very autumnal and very Norman weather with quite a few showers.
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A goal of returning to normal on the roads in 4 hours
At the same time, Tuesday November 19, 2024, the North-West Interdepartmental Roads Directorate announces the winter viability plan. The objective is to facilitate driving conditions on slippery roads as quickly as possible, particularly on the motorway. It is in place from November 15 to March 15. To do this, the Dirno announces “resources that can be mobilized 24 hours a day”. She fixes herself “an objective of a return to normal traffic conditions in a maximum of 4 hours on the main track and in 6 hours on the other tracks”.
In total, from Manche to Vendôme (Loir-et-Cher) via Caen (Calvados), Alençon (Orne), Chartres (Eure-et-Loir) Évreux (Eure), Rouen (Seine-Maritime) and as far as Beauvais (Oise) and Abbeville (Somme), 12,450 tonnes of salt are in stock with 61 service vehicles and 124 agents are on call every week for this 2024-2025 winter viability plan. The Dirno also indicates that Bison Futé “is fed every morning” to provide information on road conditions on the main traffic routes.
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