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Current frost hazards

Updated on: 26.06.2016, 23:34

Current frost hazards in Switzerland

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Frost: No or minor danger, level 1

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.