Due to fresh snow and strong-to-storm velocity southerly winds, trigger-sensitive snowdrift accumulations have been generated esp. above 1900m on NW/N/NE facing slopes, in gullies and bowls, and behind protruberances in the terrain. Avalanches can grow to medium size, and can be triggered by winter sports enthusiasts, mostly by large additional loading.
Snowpack
dp.6: cold, loose snow and wind
Since Wednesday above 2000m, about 20-30 cm of fresh snow has been registered, locally more. Another 5-10cm cm of fresh snow is still expected. Winds are transporting the fresh snow. Fresh snow and drifts are being deposited on shady slopes atop an unfavorable old snowpack surface (soft layers). Weather conditions will gradually stabilie the near surface layers of the snowpack.
Tendency
No significant rise in avalanche danger
Danger level
1900m
Avalanche Problem
Persistent weak layer
1900m
New snow
1800m
Gliding snow
Unfavorable avalanche conditions
Naturally triggered dry-snow avalanches will diminish when intensive snowfall ends. Avalanches can be triggered in the old snow even by one sole skier. In addition, avalanches can be triggered even by minimum additional loading in the near-surface layers of the snowpack, esp above 1800m. Avalanches can on shady slopes sweep along the moist layers of the old snowpack and grow to large size. Caution urged at the foot of rock walls and behind protruberances in the terrain, and in gullies and bowls. Due to moistening, increasingly frequent moist loose-snow avalanches can be expected, also medium-sized ones, esp. after a night of cloudy skies on extremely steep slopes. Caution urged in gullies along the Italian and Slovenian borders. The runout zones should be circumvented. On very steep grass-covered slopes glide-snow avalanches are possible, also medium sized releases.
Snowpack
dp.1: deep persistent weak layer dp.6: cold, loose snow and wind
Since Wednesday, 80-120cm of fresh snow has been registered above 1800m, locally more. Another 15-20cm of expected above 1600m. Winds in ridgeline zones will be moderate. Fresh snow and drifts lie deposited atop soft layers, esp. above 1800m. More deeply embedded inside the snowpack on shady slopes are faceted, expansively metamorphosed weak layers, esp. above 1900m.
Tendency
No significant change expected
Danger level
2000m
Avalanche Problem
Persistent weak layer
2000m
Gliding snow
2400m
New snow
2300m
Naturally triggered avalanches possible
Avalanches can be triggered in the old snow even by one sole skier. In addition, avalanches can be triggered even by minimum additional loading in the near-surface layers of the snowpack, esp above 1800m. Avalanches can on shady slopes sweep along the moist layers of the old snowpack and grow to large size. Caution urged at the foot of rock walls and behind protruberances in the terrain, and in gullies and bowls. Due to moistening, increasingly frequent moist loose-snow avalanches can be expected, also medium-sized ones, esp. after a night of cloudy skies on extremely steep slopes. Caution urged in gullies along the Italian and Slovenian borders. The runout zones should be circumvented. On very steep grass-covered slopes glide-snow avalanches are possible, also medium sized releases. Transportation routes can be placed at risk.
Snowpack
dp.6: cold, loose snow and wind dp.1: deep persistent weak layer
Since Wednesday above 2000m, about 40-80cm of fresh snow has been registered, locally more. Above 1600m 5-10cm of fresh snow still expected. Winds will transport the fresh snow. Fresh snow and drifts are being deposited on shady slopes above 1800m atop an unfavorable old snowpack surface (soft layers). More deeply embedded inside the snowpack, esp. on shady slopes, there are expansively metamorphosed (faceted) weak layers, esp. above 2300m.
Tendency
Not much change expected
Danger level
2000m
Avalanche Problem
Persistent weak layer
2000m
Gliding snow
2200m
New snow
2200m
Unfavorable avalanche conditions
Naturally triggered dry-snow avalanches will diminish when intensive snowfall ends. Avalanches can be triggered in the old snow even by one sole skier. In addition, avalanches can be triggered even by minimum additional loading in the near-surface layers of the snowpack, esp above 1800m. Avalanches can on shady slopes sweep along the moist layers of the old snowpack and grow to large size. Caution urged at the foot of rock walls and behind protruberances in the terrain, and in gullies and bowls. Due to moistening, increasingly frequent moist loose-snow avalanches can be expected, also medium-sized ones, esp. after a night of cloudy skies on extremely steep slopes. Caution urged in gullies along the Italian and Slovenian borders. The runout zones should be circumvented. On very steep grass-covered slopes glide-snow avalanches are possible, also medium sized releases.
Snowpack
dp.6: cold, loose snow and wind dp.1: deep persistent weak layer
Since Wednesday, 80-120cm of fresh snow has been registered above 1800m, locally more. Another 5-10cm of expected above 1600m. Winds in ridgeline zones will be moderate. Fresh snow and drifts lie deposited atop soft layers, esp. above 1800m. More deeply embedded inside the snowpack on shady slopes are faceted, expansively metamorphosed weak layers, esp. above 2000m.
Tendency
Not much change expected
Danger level
2000m
Avalanche Problem
Persistent weak layer
2000m
Wind slab
2200m
Gliding snow
2400m
Caution: snowdrift accumulations and weak layers in the old snow
Fresh snow + moderate to strong southerly winds will generate further snowdrift accumulations, esp. on shady slopes above 2200m in gullies, bowls, behind protruberances in the terrain, which can be easily triggered or trigger naturally. Isolated danger zones occur on sunny wind-protected slopes above 2000m. In addition, avalanches can be triggered in the near-surface layers by large additional loading, these can often sweep along the thoroughly wet snowpack. Caution urged at the foot of rock walls, behind protruberances, and in gullies and bowls. Activity of small-to-medium loose-snow avalanches will increase significantly. Runout zones should be circumvented. On very steep grass-covered slopes, glide-snow avalanches are possible, also medium sized releases.
Snowpack
dp.6: cold, loose snow and wind dp.1: deep persistent weak layer
Since Wednesday above 2000m, about 25-50cm of fresh snow has been registered, locally more. Above 1600m 10-15cm of fresh snow still expected. Winds will transport the fresh snow. Fresh snow and drifts are being deposited on shady slopes above 1800m atop an unfavorable old snowpack surface (soft layers). More deeply embedded inside the snowpack, esp. on shady slopes, there are expansively metamorphosed (faceted) weak layers, esp. above 2300m. Moist snowpack up to intermediate altitudes, also to some extent at higher altitudes.
