Thunderstorms on Thursday afternoon and Friday evening caused 5 cm of hail, storms, torrential rain, and more than 30,000 lightning bolts.
Thursday lives up to its name. Early in the afternoon, a strong thunderstorm moved from Ajoie in the direction of Basel and, in addition to falling large hail, also caused winds of up to 93 km / h and torrential rain in a short time. A little after 5 pm, a piercing cell followed in Burgdorf / BE, from which a hail of about 5 cm fell. As a result, there were heavy thunderstorms in other places. The strongest storm so far was measured overnight in Locarno/TI. At 117 km / h, it reached its maximum hurricane strength.
big hail
In the canton of Bern in particular, particularly in the Burgdorf region, she was greeted in abundance by hailstones the size of a Fünflieber.
Heavy rain
Locally, there was more than 20 mm of rain in 10 minutes, according to the building insurance, this is usually heavy rain for the sewage system, local flooding should be expected.
In Kiesen / BE there was more than 30 mm of rain in 20 minutes, in Jona / SG even about 34 mm.
a lot of lightning
Nearly 29,000 lightning strikes have been recorded in Switzerland since Thursday afternoon (as of 3:30 a.m.).
still thunderstorm
As the cold front approaches, more thunderstorms are expected. The cold front will pass over us on Friday and will cause large amounts of rain in some areas, especially in the Alps. More severe thunderstorms are likely, especially on the southern side of the Alps.
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