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Current frost hazards

Updated on: 27.03.2017, 20:10

Current frost hazards in Switzerland

  (2 Messages)   hide
  • Frost: Moderate danger, level 2

    Validity: 27.03.2017, 22:00 - 28.03.2017, 07:00
    Ground frost with temperatures between 0 and -4 degrees Celsius. Below 600 m.
    0:Frost:2:102,103,104,105,106,107,109,115,116,117,118,120,123,124,125,126,131,132,133,134,135,136,139,140,141,142,143,144,145,146,147,150,151,152,154,155,159,160,161,162,163,167,170,175,176,177:
    Aarau-Lenzburg, Amriswil, Bern-Mühleberg, Burgdorf-Limpachtal, Effretikon, Emmen-Hochdorf, Erstfeld-Engelberg, Flüelen-Unterschächen, Frick-Leibstadt, Fürstenland, Gersau-Engelbergertal, Glarus Nord-Mitte, Goldau-Ägeri, Hulftegg-Untertoggenburg, Huttwil-Willisau, Kerenzerberg-Seeztal, Langenthal, Laufental, Liechtenstein, Limmattal, Linthebene-Gaster, Luzern-Alpnach, Lyss-Grenchen, Marthalen-Stammheim, Muotathal, Oberes Baselbiet, Olten-Gösgen, Pfungen-Hettlingen, Rheintal, Sarnen-Lungern, Schaffhausen, Schangnau-Sigriswil, Solothurn-Rothrist, St.Gallen-Rorschach, Steckborn-Müllheim, Sumiswald-Worb, Thal, Thalwil-Wetzikon, Thun-Belp, Turbenthal-Sirnach, Werdenberg, Wohlen-Albis, Wädenswil-Rüti, Zofingen-Triengen, Zug-Knonau, Zurzach-Bülach
  • Frost: Moderate danger, level 2

    Validity: 27.03.2017, 22:00 - 28.03.2017, 07:00
    Ground frost with temperatures between 0 and -4 degrees Celsius. Below 600 m.
    1:Frost:2:201,202,203,204,205,206,207,208,209,211,212,213,214,215,217,218,219,220,226,232,233,235,236,237,239,240,242,243,244,247:
    Ajoie, Basse-Gruyère, Bex - Villars, Bienne - Neuchâtel, Broye, Conthey - Fully, Delémont - Bellelay, Estavayer - Cudrefin, Franches-Montagnes, Fribourg, Glâne, Gros-de-Vaud, La Chaux-de-Fonds - Le Locle, Lötschental - Naters, Martigny - Verbier, Monthey - Val d'Illiez, Moutier - Tavannes, Murten - Kerzers, Nidau - Ins, Oron – Haute-Broye, Plaine de l'Orbe, Sion - Crans-Montana, Turtmanntal, Val d'Anniviers, Val d'Hérens, Val de Ruz - Colombier, Vallon de Saint-Imier, Vallée du Trient, Vispertal - Nanztal, Yverdon - Bevaix

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)

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.