Natural avalanches are observed everywhere, including on moderately steep slopes >15°. It is recommended to avoid skiing and mountain climbing. Emergency evacuation is possible.
Multiple avalanches of large volumes. The initiation of avalanches by riders is inevitable. It is recommended to limit the skiing area, as well as to avoid avalanche-prone terrain and slopes >30°.
Natural avalanches are observed. The initiation of avalanches by riders is very likely. It is recommended to exercise extreme caution and care.
Natural avalanches are absent or limited to small volumes on steep slopes >40°. The initiation of avalanches by riders is possible under excessive load on extremely steep terrain.
Natural avalanches are absent. The initiation of avalanches by riders is unlikely.
Signs of increased avalanche danger
Subsidence and cracking of the snow cover
If you feel that the slope has subsided under your feet, or hear a ‘whooshing’ sound, this is a sign of unstable, weak layers in the snow cover.
Lots of freshly fallen snow
Reminder: statistics show that 90% of avalanches from fresh snow occur during a snowfall, or within 24 hours after it ends. The snow needs to be compacted, then the risk of getting caught by or initiating an avalanche is reduced.
Sudden increase in air temperature (>5° in the last 3 hours)
Snow cover is a highly dynamic structure and, under the influence of external meteorological factors, it quickly becomes unstable and avalanche-prone. Be careful.
Signs of recent avalanches
If you see traces of a natural avalanche (fracture lines, avalanche debris cones), this is a sign of increased avalanche danger, you should take it very seriously and follow the rules of conduct on the potentially avalanche-prone slopes.
Strong winds, blizzard
Winds over 5 m/s are capable of creating conditions for the formation of avalanches from snow slabs (snow planks) in a few hours. Beware of leeward slopes and couloirs overloaded with blizzard snow.