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Current snow hazards

Updated on: 12.12.2019, 16:58

Current snow hazards in Switzerland

  (6 Messages)   hide
  • Snow: Moderate danger, level 2

    Validity: 13.12.2019, 03:00 - 13.12.2019, 15:00
    - Expected amounts: above 400 m 3 - 8 cm
    - Snowfall limit: 200 - 400 m
    0:Snow:2:303,304,305,306,307,308,309,310,311,312,313:
    Alto Moesano, Basso Moesano, Bellinzonese, Blenio, Bregaglia, Locarnese, Luganese, Mendrisiotto, Poschiavo, Riviera, Verzasca
  • Snow: Moderate danger, level 2

    Validity: 13.12.2019, 00:00 - 14.12.2019, 18:00
    - Expected amounts: above 1200 m 30 - 60 cm, above 800 m 20 - 40 cm
    - Snowfall limit: 600 - 1200 m
    1:Snow:2:137,146,147,148,149,154,155,156,157,158,163,164,165,168,169,170,171,172,176,177,178,179,182:
    Appenzell, Brigels, Erstfeld-Engelberg, Flims-Laax, Flüelen-Unterschächen, Gersau-Engelbergertal, Glarus Nord-Mitte, Glarus Süd-Grosstal, Glarus Süd-Sernftal, Kerenzerberg-Seeztal, Landquart-Chur, Liechtenstein, Maderanertal, Meiringen-Gadmertal, Muotathal, nördliches Tavetsch, Obertoggenburg, Sarganserland, Schiers, Urner Oberland, Urserntal, Val Medel-Sumvitg, Werdenberg
  • Snow: Moderate danger, level 2

    Validity: 13.12.2019, 00:00 - 14.12.2019, 09:00
    - Expected amounts: above 600 m 5 - 10 cm, above 1000 m 15 - 30 cm
    - Snowfall limit: 400 - 600 m
    2:Snow:2:301,302:
    Alta Valmaggia, Leventina
  • Snow: Moderate danger, level 2

    Validity: 12.12.2019, 21:00 - 14.12.2019, 18:00
    - Expected amounts: above 1200 m 30 - 70 cm, above 800 m 20 - 40 cm
    - Snowfall limit: 600 - 1200 m
    3:Snow:2:111,112,113,121,122,129,130,138:
    Adelboden-Kandersteg, Frutigen-Kiental, Grindelwald, Innertkirchen-Guttannen, Lauterbrunnen-Wilderswil, Obersimmental, Saanen-Gsteig, St. Stephan-Lenk
  • Snow: Moderate danger, level 2

    Validity: 12.12.2019, 18:00 - 14.12.2019, 18:00
    - Expected amounts: above 800 m 20 - 50 cm, above 400 m 10-30 cm
    - Snowfall limit: 400 -1500 m (rising)
    4:Snow:2:202,203,204,205,206,207,210,211,216,221:
    Delémont - Bellelay, Franches-Montagnes, La Chaux-de-Fonds - Le Locle, Moutier - Tavannes, Saint-Cergue, Val de Ruz - Colombier, Val de Travers, Vallon de Saint-Imier, Vallée de Joux, Yverdon - Bevaix
  • Snow: Moderate danger, level 2

    Validity: 12.12.2019, 18:00 - 14.12.2019, 18:00
    - Expected amounts: above 800 m 30 - 70 cm, above 400 m 10-30 cm
    - Snowfall limit: 400 - 1200 m (rising)
    5:Snow:2:229,230,231,232,233,234,235,236,237,238,239,240,241,242,243,244,245,246,247,248,249,250,251,252:
    Aigle - Leysin, Aletschgebiet, Arolla, Bex - Villars, Binntal, Brig - nördliches Simplongebiet, Conthey - Fully, Haut val de Bagnes, Lötschental - Naters, Martigny - Verbier, Monthey - Val d'Illiez, Oberes Mattertal, Oberes Saastal, Obergoms, Pays-d'Enhaut, Sion - Crans-Montana, südliches Simplongebiet, Turtmanntal, Val d'Anniviers, Val d'Entremont - Val Ferret, Val d'Hérens, Vallée du Trient, Vispertal - Nanztal, Vouvry

Kontextspalte

Danger level 1 (No or minor danger)
Danger level 2 (Moderate danger)
Danger level 3 (Considerable danger)
Danger level 4 (High danger)
Danger level 5 (Very high danger)
No danger level
Danger level 1 (No or minor danger)

Snow warnings are issued only for danger levels 2-5.

Danger level 2 (Moderate danger)
  • Effects: Slippery conditions due to snow-covered roads
  • Behaviour:
    • Keep an eye on local weather developments
    • Always follow the official recommendations
    • Pay attention to daily avalanche bulletins and additional information from the Institute for Snow and Avalance Research
  • Description of measurement and prognostic values:
    • Snowfall (Western Switzerland, south of the Alps): Lowland areas: 5-10 cm (in max. 24 h), Mountains: 20-40 cm (in max. 24 h)
    • Snowfall (German-speaking Switzerland, Canton Fribourg): Lowlands: 5-15 cm (in max. 24 h), Mountains: 20-40 cm (in max. 24 h)
Danger level 3 (Considerable danger)
  • Effects:
    • Worsening of road condition
    • Disruption to air and rail travel
    • Branches breaking due to snowload
  • Behaviour:
    • Keep an eye on local weather developments
    • Always follow the official recommendations
    • Pay attention to daily avalanche bulletins and additional information from the Institute for Snow and Avalance Research
  • Description of measurement and prognostic values:
    • Heavy/intensive snowfall in lowland areas of German-speaking Switzerland: 15-30 cm/24 h
    • Heavy/intensive snowfall in lowlands of Western Switzerland and south of the Alps: 10-30 cm/24 h
    • Heavy/intensive snowfall in the mountains: 40-70 cm/24 h, 70-100 cm/48 h, 100-140 cm/72 h
Danger level 4 (High danger)
  • Effects:
    • Impassable sections of road;
    • Disruption to air and rail travel;
    • Falling branches or trees as a result of the weight of their snowload;
    • Interruption of electricity supply and/or telephone network, particularly in regions that are not easily accessible;
    • Heavy snowload on roofs.
  • Behaviour:
    • Keep an eye on local weather developments
    • Always follow the official recommendations
    • Pay attention to daily avalanche bulletins and additional information from the Institute for Snow and Avalance Research
  • Description of measurement and prognostic values:
    • Heavy/intensive snowfall in lowland areas of German-speaking Switzerland: 30-50 cm/24 h
    • Heavy/intensive snowfall in lowlands of Western Switzerland and south of the Alps: 30-50 cm/24 h
    • Heavy/intensive snowfall in the mountains: 70-100 cm/24 h, 100-140 cm/48 h, 140-180 cm/72 h
Danger level 5 (Very high danger)
  • Effects:
    • Road and air traffic is brought to a standstill
    • Massive disruption to rail transport
    • Falling branches or trees as a result of the weight of their snowload
    • Heavy snowload on roofs
    • Breakdown of electricity supply and telephone communications network
  • Behaviour:
    • Keep an eye on local weather developments
    • Always follow the official recommendations
    • Pay attention to daily avalanche bulletins and additional information from the Institute for Snow and Avalance Research
  • Description of measurement and prognostic values:
    • Heavy/intensive snowfall in lowland areas of German-speaking Switzerland: >50 cm/24 h
    • Heavy/intensive snowfall in lowlands of Western Switzerland and south of the Alps: >50 cm/24 h
    • Heavy/intensive snowfall in the mountains: >100 cm/24 h, >140 cm/48 h, >180 cm/72 h
No danger level

Snow warnings are issued throughout the year.