This is a phenomenon well known to residents of lowland areas. While winter days drag on under a sinister low ceiling where the temperature does not exceed 0°C, you only need to drive a few kilometers to the heights to find sunshine and positive temperatures, and even try skiing. background in a t-shirt.
The phenomenon could still be observed at the end of December
The phenomenon could still be observed at the end of December. In Bonneville, located at an altitude of 428 meters in the Arve valley, while we were recovering from Christmas under 0.8°C (the maximum recorded on December 26), in Flaine 1,200 meters higher, we “enjoyed” 2.5°C. The trend continued until the last day of 2024, with…