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| Hazard level 1 |
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- Snowpack stability:
The snowpack is generally bonded and secure. - Avalanche probability:
An avalanche can only be triggered in the event of high levels of additional stress** on very few extremely steep slopes. Only small avalanches (slides) can be triggered spontaneously. - Implications for skiers:
Generally safe conditions for ski tours.
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| Hazard level 2 |
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- Snowpack stability:
The snowpack is only moderately bonded on some steep slopes* - otherwise generally secure. - Avalanche probability:
An avalanche is likely to be triggered in the event of high levels of additional stress** - particularly on the steep slopes specified. - Implications for skiers:
Large spontaneous avalanches are not expected. Favourable conditions for ski tours, taking into account local hazard spots.
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| Hazard level 3 |
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- Snowpack stability:
The snowpack is only moderately or poorly bonded on many steep slopes*. - Avalanche probability:
An avalanche is likely to be triggered even in the event of low levels of additional stress** - particularly on the steep slopes specified. Occasional instances of some spontaneous medium-sized avalanches, isolated instances of large avalanches. - Implications for skiers:
Ski tours require experienced avalanche assessment; limited touring potential.
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| Hazard level 4 |
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- Snowpack stability:
The snowpack is poorly bonded on most steep slopes*. - Avalanche probability:
An avalanche is likely to be triggered even in the event of low levels of additional stress ** on numerous steep slopes. Instances of many spontaneous medium-sized avalanches, and in many cases large avalanches, can be expected. - Implications for skiers:
Ski tours require highly experienced avalanche assessment. Extremely limited touring potential.
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| Hazard level 5 |
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- Snowpack stability:
The snowpack is generally poorly bonded and thereby largely unstable. - Avalanche probability:
Numerous large spontaneous avalanches can be expected, even in moderately steep areas. - Implications for skiers:
Ski tours and off-piste skiing are generally not possible.
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| Information on the hazard levels |
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Explanations: * generally described in more detail in the avalanche status report (e.g. altitude, exposure, terrain) ** additional stress high: (e.g. group skiing together, vehicles on piste, artificial triggering) low: (e.g. individual skiers, pedestrians) - Steep slopes: Slopes with a gradient of more than 30°
- Extreme slopes: Particularly unfavourable slopes because of gradient, terrain, proximity to ridges, ground roughness.
- Spontaneous: Without human intervention
- Exposure: The direction a slope faces
- Exposed: particularly vulnerable to danger
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