What a slap! Temperatures have literally collapsed this Sunday, sometimes with 10 to 15 ° C less in 24 hours in a part of the northern half of the country: 9 ° C of lost in Paris, 10 in Tours and Dijon, 12 ° C less in Nancy, and 15 ° C of lost in Strasbourg. This Monday, freshness will be intensifying againwith a very unpleasant kiss. Should we be concerned about a risk of frost?
Sometimes less than 5 ° C at daybreak
L’maritime polar air Coming from Scandinavia and the North Pole will continue to tumble on France this Monday, in a flow of northeast, in connection with high pressures centered on the British Islands. At 1500m altitude, temperatures will sometimes pass into the negative in the north (0 to -2 ° C near the Channel), while in the south, they will still reach 4 to 8 ° C.
Wake upand sub-assessment, the temperatures will therefore drop again, from 3 to 7 ° C compared to this Sunday, except near the Mediterranean where they will remain stationary. It will often do just after sunrise 4 to 9 ° C only on the northern halfvalues below normal, but still 8 to 13 ° C in the south (it will be seasonal), and 13 to 16 ° C near the Mediterranean.
Concretely, expect to 4 ° C only in Rouen and Abbeville, 5 ° C to LilleOrleans and Le Mans, 6 ° C in Nancy, 7 ° C to ParisBrest and Tours, 8 ° C in Strasbourg, Clermont-Ferrand and La Rochelle, 9 ° C in Lyon, Dijon and Limoges, 10 ° C in Bordeaux and Grenoble, 11 ° C in Tarbes and Montélimar, 12 ° C in Toulouse, 13 ° C in Marseille and Biarritz, 14 ° C in Perpignan, 15 ° C in Toulon and 16 ° C in Ajaccio.
Locally, Values from 2 to 3 ° C are probable in campaign on Hauts-de-France and Normandywith a risk of white jelly on the ground, but No sub-Sabri gelwhich is good news for vegetation.
A cool afternoon, especially exposed to the wind
The night radiation cannot fully have its effect: certainly, there will be clearings, but the Northeast kiss that will blow at 50 or 60 km/h in gusts will limit the drop in mercury somewhat. However, The feeling will be very invigorating and cold at daybreak, negative between Normandy and the north of the Seine (0 to -2)and weakly positive elsewhere on the rest of the northern half (2 to 4).
In the afternoonmaximum temperatures will further drop compared to this Sunday, sometimes 1 to 4 ° C less, up to 5 to 8 ° C lost for Auvergne-Rhône-Alpes. These values will be around 3 ° C lower than seasonal normal on the country (5 ° C locally), with no more than 12 to 17 ° C to the north, 14 to 19 ° C southand anyway 20 to 24 ° C near the Mediterranean (where it will be seasonal).
Wind presentation, The feeling will often be less than 8-10 on Brittany, Normandy and near the Côtes de la Manchebut sub-abri, expect yourself to 12 ° C in Mulhouse, 13 ° C in Brest and Caen14 ° C in Besançon and Grenoble, 15 ° C in Lille, Nantes and Clermont-Ferrand, 16 ° C in Paris and Strasbourg17 ° C in Nancy, Toulouse and Biarritz, 18 ° C in Bordeaux, 19 ° C in Agen, 20 ° C in Marseille, 24 ° C in Bastia.
Tuesday, the morning freshness will also win the southern regionswhile in the afternoon, the values will rise from one to three degrees over the northern half. These values will still take a degree on Wednesday, then will not move until Friday. If the risk of sub-assessment is completely dismissedwe cannot exclude again A few rare white frosts on Tuesday morning locally.
