- Warning valid for all altitudes. - Possible impacts: Disruption to road, rail and air traffic. - Recommendations for action: Before and during a car journey, get information on the driving conditions (radio, 163 telephone service), and follow the instructions issued by the winter road maintenance services. Pay attention to daily avalanche bulletins and additional information from the WSL Institute for Snow and Avalance Research SLF. - Expected amounts: above 400 m a.s.l. 10 - 20 cm, above 1200 m a.s.l. 50 - 100 cm - Snowfall limit: 400 - 1200 m (rising) - Peak phase of the event: Thu 08 - Fri 08 - Intensifying conditions: accompanied by winds at gale force