Large amounts of rain can be expected, according to the SRF Meteo weather portal. The first foothills of the storm front reached the Jura. In Saignelegier, for example, almost 27 millimeters of rain fell within an hour.
There was also heavy rain in Egolzwil LU and Attenwil AG, where 15.3 and 19 millimeters of rain fell within ten minutes. At 10.4 millimeters it was a little less in Les Avants in the canton of Vaud, but still considerable amounts of rain.
The thunderstorms were accompanied by squalls and hail. There was heavy hail in the Schwarzenburgerland in the canton of Bern. The hailstones reached a size of 3 to 4 centimeters. The region of Lower Emmental BE to Sursee LU was also affected by the hail.
The wind picked up strongly near the thunderstorm. In Epiquerez JU the gusts reached 79 kilometers per hour. Meteo Schweiz and SRF Meteo expect more heavy rainfall in the coming hours, as a look at the animated weather radar shows.
The soils are saturated. The water table is high and the lakes and rivers are already full to the brim. The hydrologists of the Federal Office for the Environment have issued a level 4 of 5 flood warning for Lake Thun and Lake Lucerne.
The flood situation with danger level 3 is also tense on Lake Brienz, Lake Biel and Lake Zurich as well as in areas of the Aare, Reuss and Rhine. However, there are currently no reports of problems due to flooding and rainfall.
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