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1
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The snowpack is generally well bonded and stable.
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Triggering is generally possible only with high additional loads on very few extreme slopes. Only natural sluffs and small avalanches are possible.
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Generally safe conditions.
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2
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The snowpack is only moderately well bonded on some steep slopes, otherwise it is generally well bonded
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Triggering is possible, particularly through high additional loads, mainly on steep slopes indicated in the bulletin. Large natural avalanches are not expected.
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Mostly favourable conditions. Careful route selection, especially on steep slopes of indicated aspects and altitude zones.
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3
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The snowpack is moderately to weakly bonded on many steep slopes.
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Triggering is possible, even through low additional loads mainly on steep slopes indicated in the bulletin. In certain conditions, some medium and occasionally large natural avalanches are possible.
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Partially unfavourable conditions. Experience in the assessment of avalanche danger is required. Steep slopes of indicated aspects and altitude zones should be avoided if possible.
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4
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The snowpack is weakly bonded on most steep slopes.
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Triggering is probable even through low additional loads on many steep slopes. In certain conditions, many medium and multiple large natural avalanches are expected.
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Unfavourable conditions. Extensive experience in the assessment of avalanche danger is required. Remain in moderately steep terrain / beware of avalanche run out zones.
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5
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The snowpack is generally weakly bonded and largely unstable.
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Many large natural avalanches are expected, even in moderately steep terrain.
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Highly unfavourable conditions. Avoid open terrain.
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