Swiss Federal Institute for Forest, Snow and Landscape Research WSL

Avalanche bulletin and snow situation
Edition: Fri 1.5., 17:00
Avalanche Bulletin

News and media relations

We will be glad to assist the media in their research and to arrange interviews with our in-house experts. Both media representatives and freelancers are very welcome to visit our research sites and study plots all over the country.

New

A smiling man sits next to a computer on a desk, with shelves of books and files in the background. He wears a dark sweater and has gray hair, looking comfortably at the camera in an office-like environment.
30.04.2026

Wohlgemuth steps down from WSL Directorate

At the end of April 2026, the WSL will bid farewell to Tom Wohlgemuth, a defining figure of its Directorate.

16.04.2026

CERC workshop: satellite radar for natural hazards

Practice-oriented workshop on InSAR for natural hazard detection and monitoring. 28.9.2026, Davos. Register now.

A researcher in a colorful winter jacket and gloves is focused on operating a scientific instrument. The device is testing a block of snow, in a laboratory setting.
15.04.2026

Avalanches: when the house of cards collapses

Weak layers in snow remain a mystery. For a new SLF study, controlled fractures of these layers were triggered in the laboratory.

A scenic mountain landscape featuring a snow-capped peak in the background. In the foreground, a ridge covered with rocky terrain and evergreen trees slopes down towards a densely forested valley. The sky is clear with a few clouds.
08.04.2026

How forests affect snow cover

Forest, sunshine and slope position all affect when snow melts. The SLF has conducted the first large-scale study into these interactions.

Publikationen

Services and products