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Current frost hazards

Updated on: 28.10.2021, 05:42

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)

No hazard posed for plants or crops.

 
Danger level 2 (Moderate danger)

Effects:

Frost hazard due to temperatures that cause damage to plants and crops.

Behaviour:

Take specific protective measures (e.g. covering crops; placing particularly susceptible potted plants against a house wall)

Description of measurement and prognostic values:

  • Light to moderate ground frost at temperatures between 0° and -4° (at a height of 5 cm above ground level)
  • Heavy ground frost at temperatures below -4° at a height of 5 cm above ground level
 
Danger level 3 (Considerable danger)

Only hazard level 2 exists.

 
Danger level 4 (High danger)

Only hazard level 2 exists.

Danger level 5 (Very high danger)

Only hazard level 2 exists.

 
No danger level

Ground frost warnings are only issued during certain times of the year from 15 March to 31. October and for low-lying areas (below 600 m).

Ground frost also occurs in the winter, but since this is not unusual for the season, no warnings are issued during the winter period.

 

Current frost hazards in Switzerland

  (3 Messages) show
  • Frost: Moderate danger, level 2

    Validity: 28.10.2021, 00:00 - 28.10.2021, 09:00
    Lowest temperatures near ground: 0 to -4 degrees (moderate ground frost)
    Affected regions
    Basso Moesano, Bellinzonese, Locarnese, Luganese, Mendrisiotto, Riviera, Verzasca
    Affected regions
    Basso Moesano, Bellinzonese, Locarnese, Luganese, Mendrisiotto, Riviera, Verzasca
    0:Frost:2:MCH:305,306,307,308,309,310,311:
  • Frost: Moderate danger, level 2

    Validity: 27.10.2021, 22:00 - 28.10.2021, 08:00
    Lowest temperatures near ground: 0 to -4 degrees (moderate ground frost)
    Affected regions
    Bern-Mühleberg, Brienz-Interlaken, Entlebuch, Erstfeld-Engelberg, Flüelen-Unterschächen, Frutigen-Kiental, Gersau-Engelbergertal, Glarus Nord-Mitte, Huttwil-Willisau, Kerenzerberg-Seeztal, Liechtenstein, Linthebene-Gaster, Muotathal, Obertoggenburg, Rheintal, Sarnen-Lungern, Schangnau-Sigriswil, Sumiswald-Worb, Thun-Belp, Werdenberg
    Affected regions
    Bern-Mühleberg, Brienz-Interlaken, Entlebuch, Erstfeld-Engelberg, Flüelen-Unterschächen, Frutigen-Kiental, Gersau-Engelbergertal, Glarus Nord-Mitte, Huttwil-Willisau, Kerenzerberg-Seeztal, Liechtenstein, Linthebene-Gaster, Muotathal, Obertoggenburg, Rheintal, Sarnen-Lungern, Schangnau-Sigriswil, Sumiswald-Worb, Thun-Belp, Werdenberg
    1:Frost:2:MCH:107,109,118,120,121,126,127,128,136,146,147,154,155,162,163,169,170,175,176,177:
  • Frost: Moderate danger, level 2

    Validity: 27.10.2021, 22:00 - 28.10.2021, 08:00
    Lowest temperatures near ground: 0 to -4 degrees (moderate ground frost)
    Affected regions
    Ajoie, Bex - Villars, Conthey - Fully, Lötschental - Naters, Martigny - Verbier, Monthey - Val d'Illiez, Sion - Crans-Montana, Turtmanntal, Val d'Anniviers, Val d'Hérens, Vallée du Trient, Vispertal - Nanztal
    Affected regions
    Ajoie, Bex - Villars, Conthey - Fully, Lötschental - Naters, Martigny - Verbier, Monthey - Val d'Illiez, Sion - Crans-Montana, Turtmanntal, Val d'Anniviers, Val d'Hérens, Vallée du Trient, Vispertal - Nanztal
    2:Frost:2:MCH:201,232,233,235,236,237,239,240,242,243,244,247: