SNOW ICE MONITORING: calm but continuing cold
this afternoon the rainy-snowy episode has stopped in the center-east, but temperatures remain low, with melting at 0°C in Lyon and Annecy, for example. With 3°C in Clermont-Ferrand and 2°C in St-Etienne, Auvergne refers to a slight thaw, but we can see the cold weather resisting more in the plains and valleys. Further north, in the Saone-et-Loire, for example, Macon didn’t thaw this afternoon with -1°C.
In the northwest, the weather remained calm, dry and often fairly sunny this evening and tonight, awaiting disruption. Temperatures were close to 0°C this afternoon, with 0° in Caen, Orleans and Rouen, 1° in St Malo and Alençon, and 2° in Rennes and inland Paris. Those temperatures will gradually drop before a rain-snow disturbance arrives between Normandy, Center and Ile-de-France tonight. It will not freeze in the west of Brittany, which explains why there is rain expected in Finistere.
St. Malo tonight © Weather Channel
Annecy tonight © Weather Channel
at 11 o’clock, the weather conditions in the central-east are gradually improving. A few freezing drizzles were reported in Lyon, Chambéry and Annecy. If the main roads are cleared, you still need to be careful on the secondary network. Light snow is still falling over the Alps. It should be noted that up to 25 cm of snow fell in the area of Saint-Paul-sur-Ubaye (05) at an altitude of 1400 m. Snow fell at the Grenoble CEA station with 8 cm of snow down to the valleys
Chamber on December 13 © Weather Channel
at 9 o’clock in the morning, snowfall occurs east of the Rhône, in the Alps, down to the valleys. In connection with the negative temperature, ice is summarized in the sections placed in a special press release. In terms of snow depth as of yesterday evening, we measure 18 cm in Gap (05), 12 cm in Embrun (05), 10 cm in Aix les Bains (73), 8 cm in Chambéry (73) and 5 cm in Annecy. 74) and Grenoble (38).
At 8 in the morning, the snow begins to decrease. They gradually recede to the east of the Rhône, towards the Alps, where they descend to the plain. The situation remains vulnerable between the Puy-de-Dôme, the Loire and the Rhone, where the ice is generally between -2 and 0 °C. At high altitude, the road network is particularly slippery with widespread ice.
At 7 in the morning, wintry weather continues in the Central East, with snow east of the Rhône and Saône and freezing rain between southern Burgundy and northern Auvergne. At 7 o’clock this morning, we note that 6 cm of snow on the ground in the valleys, as well as on the plain, in Chambéry (73), Annecy (74) and Tournon-sur-Rhône (26), 5 cm, and 4 cm in Vienna. (38) , 3 cm in Ambérieu (01) and 2 cm in Montélimar.
This morning, snow is still falling in Auvergne-Rhône-Alps and the southern Alps, but is gradually easing. By 10 am, the rain/snow limit will rise to 400 meters. pic.twitter.com/HziHVVL74R
— The Weather Channel (@lachainemeteo) December 13, 2022
You should be careful when traveling this morning, as this snow makes the roads particularly slippery, especially since temperatures are below zero, increasing the risk of icing.
Snow in Aix-les-Bains on December 13 © Weather Channel
yesterday is monday
At 9 p.m, the snowy episode is generalized for the entire Massif Central. Snow sticks to the ground from an average height of 300 meters. We already measure 5 cm in Le Puy (43). This snow reaches Clermont-Ferrand, Saint-Etienne and Lyon, where it begins to settle between 0 and -2°C.
Snow reached the Rhone Valley between Montélimar and Vienna, reaching 0°C. Starting at 5 a.m. Tuesday, this snow will temporarily stay on the ground overnight until it melts.
In the hinterland of Var, it snows from a height of 500 meters. This snow will spread over the entire Rhône-Alpes in the next few hours, then with medium intensity towards Franche-Côte, sometimes the valley floor between Grenoble and Annecy, as well as north of Lyon, Ambérieu, Dole and Besançon. . Use caution in these areas tonight and Tuesday morning, with up to 5-10 cm of snow on the ground.
© Weather Channel