This weekend, Switzerland is on the southern edge of an air mass boundary that stretches from the Pyrenees across southern Germany to Poland. The southwesterly flow is bringing moist and unstable air into our country. A low pressure system will pass through south of Switzerland on Sunday and provide additional uplift.
Graphics for Saturday, Sunday and Monday
Equivalent potential temperature, a measure of the energy of the air mass. The red tones show the warm and very humid air over the Alpine region. On Monday, cooler air will flow in behind the cold front (green color). Source: ECMWF, MeteoSwiss
Saturday
This morning, showers moved from the southwest to Switzerland, and from midday onwards the first, sometimes strong, thunderstorms formed over the Jura. In the afternoon, isolated thunderstorms also occurred in the foothills of the Alps and in eastern Switzerland. The main danger from today’s thunderstorms is the intense rainfall. In Saignelégier in the Jura, 26 mm of rain was recorded within 30 minutes.
heavy rain
Heavy rainfall today Saturday in Rifferswil. Source: Meteomeldungen/App
The focus of the thunderstorms today is on the Jura, in northwestern Switzerland and on the northern edge of Switzerland. The danger comes primarily from the high intensity of precipitation, which can cause flooding of small bodies of water (flash flood). Therefore, an advance warning for widespread heavy thunderstorms was issued for these australia mobile database regions this morning. But strong thunderstorms are also possible in the rest of Switzerland, especially in the foothills of the Alps. Small hail and locally strong gusts of wind are also to be expected.
Warning of widespread heavy thunderstorms for today
Saturday 12 noon to Sunday 3 am. Source: MeteoSwiss
Sunday
Thunderstorm activity will calm down overnight into which professional email address should you choose? our advice for a wise selection Sunday. There will still be a few showers north of the main Alpine ridge. Sunday morning is also not likely to be completely calm with isolated showers. Heavy thunderstorms will again be coming from the southwest agent email list from midday. The focus will be on the foothills of the Alps, but strong thunderstorms are to be expected throughout Switzerland. Only a few strong thunderstorms are expected in Graubünden and on the southern side of the Alps.
thunderstorm with rain
Heavy rainfall from a thunderstorm near Porrentruy this afternoon. Source: juratourisme.roundshot.com/porrentruy
On Sunday, the main danger will be very heavy rainfall. However, the thunderstorms will also be accompanied locally by large hail and gusts of wind. We have therefore issued a thunderstorm warning for Sunday today.