menu

jump links

selected

Content

Current forest fire danger

Updated on: 26.05.2016, 14:20

Current forest fire danger in Switzerland

  (1 Message)   hide

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)
  • Effects
    • Characteristics: Surface or crawling fires, crowns of trees are not affected, topsoil does not burn.
    • Fire-fighting: Forest fire is easy to extinguish.
  • Behaviour
    • Do not carelessly discard cigarettes, tobacco products or lighters.
  • Description of measured and forecast values
    • Outbreak: Small fires cannot be entirely ruled out, but require a high energy input. Lightning hardly ever causes a fire.
    • Rate of spread: Generally slow.
Danger level 2 (Moderate danger)
  • Effects
    • Characteristics: Surface or crawling fires, crowns of trees are rarely affected, topsoil is burnt a little or not at all.
    • Fire-fighting: Forest fire is ordinarily easy to extinguish.
  • Behaviour
    • Do not carelessly discard cigarettes, tobacco products or lighters.
    • Always watch barbecue fires and immediately extinguish stray sparks.
  • Description of measured and forecast values
    • Outbreak: Local fires can start spontaneously. Lightning only rarely causes a conflagration.
    • Rate of spread: Slow to medium.
Danger level 3 (Considerable danger)
  • Effects
    • Characteristics: Topsoil is partly burnt, individual crown fires are possible.
    • Fire-fighting: Forest fire can be extinguished only by experts using modern equipment.
  • Behaviour
    • Light barbecue fires only in existing fire places.
    • Always watch the fire and immediately extinguish stray sparks.
    • Follow the instructions of the local authorities.
  • Description of measured and forecast values
    • Outbreak: Burning matches and flying sparks from barbecue fires can ignite a fire. Lightning can also trigger widespread fires.
    • Rate of spread: High in open terrain, medium in the forest.
Danger level 4 (High danger)
  • Effects
    • Characteristics: Intense surface fires can ignite the crowns of individual trees, spotting is possible, burning topsoil.
    • Fire-fighting: Forest fire is difficult to extinguish and commands extensive resources. 
  • Behaviour
    • As a general rule, do not make any fires outdoors.
    • Permanent fire places (concreted base) in locations designated by the authorities can be used with the utmost caution.
    • Do not make fires in strong winds.
    • Follow the instructions (observe the fire bans) of the local authorities.
  • Description of measured and forecast values
    • Outbreak: Burning matches, flying sparks from barbecue fires and lightning will very probably ignite a fire.
    • Rate of spread: High, including in forests.
Danger level 5 (Very high danger)
  • Effects
    • Characteristics: Very intense burning, extensive crown fires, long-distance spotting.
    • Fire-fighting: Forest fire is virtually impossible to extinguish. 
  • Behaviour
    • Do not make any fires outdoors.
    • Follow the instructions and observe the fire bans imposed by the local authorities.
  • Description of measured and forecast values
    • Outbreak: Fires can start at any time.
    • Rate of spread: Very high over a long period.
No danger level

No evaluation