Persistent weak layers
- Above treeline
- Size
- 2
Stability: poor · Frequency: few
Permanently weak layer on the S sector.
Stability: poor · Frequency: few
Stability: fair · Frequency: some
Permanently weak layer on the S sector.
In the High, Western and Low Tatras above the forest line a moderate avalanche danger (2nd degree) is declared. The weather will be influenced by warm air inflow during Friday, however, we expect clouds during Friday, so the melting of snow on the south slopes will not be so pronounced. On S-facing slopes, it's still possible to find patches of dry, untracked snow lying on top of a layer of ice or old hardened snow, with a dangerous layer of square-grained snow in between. Avalanches are expected to be triggered mainly on steep to very steep terrain, especially with high additional loads. Stability is very difficult to assess on S slopes, the most dangerous are places with visibly blown snow, on S slopes it is necessary to note the soaked snow layer. During the day, spontaneous avalanches and avalanches of wet snow can also occur on the S slopes. Only small or medium avalanches are to be expected, but the problem is the transport and accumulation zone of the deposits, where, due to the low snow cover, there is often rock debris or exposed rock blocks.
The snow cover is below average, with continuous snow cover above 1600 m above sea level. At the S exposures, crust or firn has formed on the surface of the snow cover. On the S exposures of the highest exposures, the snow still retains a powdery character, under which a permanently weak layer of square-grained snow persists. Snow cover is expected to melt during the day on S exposures.
The avalanche hazard trend is persistent.
Bulletin data: Stredisko lavínovej prevencie HZS (via EAWS / avalanche.report)