Severe Weather Threat on Thursday: Thunderstorms Across Austria

Hail, heavy rain, and stormy gusts: On Thursday, the risk of severe weather increases significantly across Austria.
Initially, the weather remains widely sunny. However, by the course of the morning, the first showers will move into the western mountainous regions. From midday, the likelihood of thunderstorms increases significantly from Vorarlberg to Upper Styria. In the afternoon, the thunderstorms will spread further – affecting especially the entire mountainous and hilly regions, but also the lowlands.
Severe Weather Threat from Low "Bastian"
The weather change is caused by a low-pressure area named "Bastian," which is moving over Northern Europe towards the Alpine region. In conjunction with the moist and hot air, the risk of severe weather with hail, heavy rain, and severe stormy gusts increases, locally with wind peaks around 100 km/h. In the evening hours, the focus of the thunderstorms shifts more and more to the east, with strong developments also possible in the south.
Heatwave in the South Persists
Despite the threat of severe weather, it remains extremely hot, especially in the southeast. On Thursday, temperatures will reach highs between 25 and 36 degrees. It will be particularly hot in Lower Carinthia, Southern Styria, and the Seewinkel. The heatwave, which has been ongoing since Sunday, continues there. In Klagenfurt, a new record for consecutive hot days could be reached – the current record is eleven days in a row.
Outlook: Siebenschläfer as a Weather Trend Indicator
Friday is Siebenschläfertag – a well-known day of folklore, which is statistically attributed with a certain significance in weather prediction. Indeed, long-term data shows that weather patterns often stabilize during this time of year. The forecasts for the weekend indicate a return to high summer weather. With increasing high-pressure influence, temperatures rise again, and the trend towards the end of the month suggests continued hot and mostly dry weather.
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