New snow
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UPDATE: CONSIDERABLE avalanche danger above 1000 m. Naturally triggered avalanches at low altitudes.
UPDATE: CONSIDERABLE avalanche danger above 1000 m. Naturally triggered avalanches at low altitudes.
Above 1000 m, avalanche danger is CONSIDERABLE, below that altitude danger is MODERATE. Naturally triggered slab and loose-snow avalanches are expected on steep slopes in all aspects which can reach medium size. As the snowfall level ascend, wet slab and loose-snow slides can be expected to trigger in steep forested terrain below 1000 m. Fresh snowdrift accumulations are very easy to trigger, but nearly impossible to recognize due to being blanketed by fresh snow in open terrain - poor visibility.
In the last 24 hours there has been 50-80 cm of fresh snow registered widespread which will be transported by NW winds and deposit new drifts in all aspects atop loose fresh snow or bonded drifts. As the snowfall level ascends, the snowpack below 1000 m will moisten and forfeit its bonding. Weak layers inside the fresh snow and drifts are easily triggered.
Precipitation will slacken off during the morning. The snowfall level will ascend during the daytime to 1000 m temporarily, at low altitudes rain or sleet is expected. As evening approaches the precipitation will renew, intensive snowfall is expected on Friday night, the snowfall level again descending. At 2000 m: -6 degrees Friday afternoon, the zero-degree level will be at 1000 m. On Saturday, snowfall until midday, the snowfall level will descend down to the valley floor. Gale-strength NW winds. At 2000m: -12 degrees.
Due to further snowfall and winds, the avalanche situation will remain tense.
Bulletin data: Avalanche Warning Service Styria (CC BY 4.0)