rain, wind and lightning
The precipitation began yesterday afternoon in western Switzerland. During the afternoon, it spread to the rest of the northern side of the Alps. During the night, the passage of the low pressure system mentioned above caused the atmosphere to become increasingly unstable. A few heavy shower cells developed, particularly on the northern edge of Switzerland, which were accompanied by lightning and thunder in some places. By midday, around 25 to 40 mm of precipitation had fallen in Chablais. A second focus can be seen between Schaffhausen and Lake Constance. There, 20 to 30 mm fell locally within 24 hours. The snow line fell from around 1800 to 1500 meters during the night.
The wind had already been increasing
steadily during the course of yesterday. The heavy showers and the colder air that flowed in during the night meant that the stormy winds were able to reach the lowlands. In the lowlands, the Swissmetnet stations of MeteoSwiss poland phone number library recorded 50-70 km/h. In exposed locations such as the Seerücken on Lake Constance, 95 km/h were measured. The wind was strongest at the summit stations, where it reached 140-145 km/h. This meant that some stations experienced the strongest gusts of the winter, such as in Schaffhausen, Zurich-Fluntern and Gösgen.
Precipitation amounts (blue areas), gust peaks (numbers) and lightning strikes (yellow dots) from the MeteoSwiss measuring network.
Graphic with precipitation amounts, gusts and lightning. (MeteoSwiss)
West Foehn
If you look at today’s maximum temperatures
you’ll notice that they were 18 degrees in the Lucerne why is the calculation done? region and around Lake Thun and Lake Brienz, where they were around 17 degrees. This is a typical phenomenon in westerly conditions. The germany cell number so-called westerly foehn is responsible for this.
The westerly foehn is similar to the north or south foehn. The only difference is that the wind blows along the Alps in the westerly foehn and in some regions falls like a foehn. In addition to the Lucerne region, the preferred areas are Obwalden or Thun in the lee of the Gantrisch. The air is heated and dried using dry adiabatics. The warming and drying caused by the westerly foehn is, however, less pronounced than with the north or south foehn. The drying effects also affect the precipitation. If you look at the amount of precipitation that has fallen, a local minimum can be seen in the area around Lucerne and Thun. You can find more information on the subject of westerly foehn on Lake Lucerne.