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Current snow hazards

Updated on: 27.11.2020, 00:00

Teaser

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.

Current snow hazards in Switzerland

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  • Snow: No or minor danger, level 1

    Snow: No or minor danger, level 1