But dry snow avalanches will decrease, the WSL Institute for Snow and Avalanche Research (SLF) announced on Wednesday. If the average winter temperature warms by around five degrees Celsius by 2100, the overall activity of avalanches will also decrease.
Avalanches are likely to reach valley locations less frequently in future due to rising temperatures, the associated higher snow line and less snow. However, there will still be extreme snowfall events in the future, the report continued. This could even lead to larger avalanches at higher altitudes. If these run off in a channelled manner, they could even reach the valley as they do today.
SLF investigated the consequences of climate change on avalanche activity at seven locations in Switzerland. These included the Weissfluhjoch above Davos and a station at 2,700 metres near Zermatt.
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Swiss avalanche deaths slightly higher than average
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The number of avalanche accidents and deaths rose last winter in Switzerland.
The results are transferable to the entire Alpine region. They can also be applied to mountain ranges with similar climatic conditions, such as the Columbia Mountains in Canada.
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