Heavy rain as the main danger
Lots of The thunderstorm situation last Friday had the potential to produce large amounts of precipitation in a short space of time on both the northern and southern sides of the Alps. Accordingly, warnings were issu across the region on Thursday.
Even though heavy rain was consider the main danger, the oak tree near Oberschrot was probably torn to pieces by a lightning strike.
Even though heavy rain was consider the main danger, the oak tree near Oberschrot was probably literally torn to pieces by a lightning strike. (Photo: Meteomeldungen/App)
However, in thunderstorm situations such as the one we saw last time, it is also clear that the potential will not be “us” in all regions, or that not all regions warn of severe thunderstorms and their accompanying phenomena will necessarily occur. Yesterday, Friday afternoon and evening, it mainly affect regions in the Jura, along the central and eastern foothills of the Alps, and in southern Ticino (there in isolat cases even early in the morning).
Radar animation from July 12, 2024 between 6 a.m. and 9 p.m
squalls hail and record rain
In the latter region, more precisely in Mendrisiotto, a violent thunderstorm brought heavy rain and stormy gusts as early as dawn. Gusts of over 100 km/h were measur in a large part of southern Ticino. At the Stabio denmark mobile database station, the maximum gust reach 101.5 km/h. This equal the previous station record from March 25, 2019 (north foehn situation). During the thunderstorm, more than 30 mm of rain fell within 20 minutes. Statistically speaking, this occurs in Stabio on average once every 3 to 8 years.
Lightning strike in Lake Maggiore near the mouth of the Maggia
Lightning strike in Lake Maggiore at the mouth of the Maggia. (Photo: Meteomeldungen/App)
After a calm phase, several strong thunderstorms develop in the early afternoon, first in the Jura, and later in the central foothills of the Alps and the central Mittelland, which then mov east-northeast. bridging brand and customer experience Within a short space of time, 20 to 30 mm of rain fell, locally 35 to 40 mm. This l to flooding in some areas. In Ebnat-Kappel, almost 21 mm fell in just 10 minutes. Hailstones with a diameter of 1 to around 3 cm were also observ, for example in the Zurich region.
Hail pictures from Horgen (left), Zurich (middle) and betting email list Gockhausen (right)
Hail pictures from Horgen (left), Zurich (middle) and Gockhausen (right) (Photos: Meteomeldungen/App)
In the early evening hours, another strong thunderstorm develop in the Valle d’Ossola region (ITA), which subsequently mov just south of Locarno across the Magadino plain towards southern Misox. At the Magadino / Cadenazzo station, gusts of up to 106 km/h were measur. The heavy rain was also very heavy. 37.1 mm was record within 10 minutes, which was a new record for the station for the amount of rainfall in 10 minutes.