Wet snow
- Above 700 m
High in the mountains, there are still layered structures within the snowpack, especially on north-facing slopes. Intense snowmelt due to warm temperatures allows meltwater to penetrate deep into the snowpack and weaken these layers, which may lead to wet slab avalanches. Such avalanches are difficult to forecast and can become larger than typical loose snow avalanches. Glide avalanches may also occur where water collects over smooth surfaces such as exposed rock slabs. In addition, cornices are weakening and may break off.
In many places, the snowpack has transformed through melting into coarse-grained snow that drains water well. Wet avalanches can still release naturally in exposed areas, especially on steep slopes and if the sun comes out. Keep your distance from steep slopes where the snow becomes too soft.
High in the mountains, there are still layered structures within the snowpack, especially on north-facing slopes. Intense snowmelt due to warm temperatures allows meltwater to penetrate deep into the snowpack and weaken these layers, which may lead to wet slab avalanches. Such avalanches are difficult to forecast and can become larger than typical loose snow avalanches. Glide avalanches may also occur where water collects over smooth surfaces such as exposed rock slabs. In addition, cornices are weakening and may break off. In many places, the snowpack has transformed through melting into coarse-grained snow that drains water well. Wet avalanches can still release naturally in exposed areas, especially on steep slopes and if the sun comes out. Keep your distance from steep slopes where the snow becomes too soft.
Høyt til fjells finnes det fortsatt lagdeling i snødekket, spesielt i nordvendte sider. Kraftig snøsmelting på grunn av varme gjør at smeltevann trenger ned i snødekket og svekker disse lagene, noe som kan gi våte flakskred. Slike skred er vanskelige å varsle og kan bli større enn typiske løssnøskred. Glideskred kan også forekomme der vann samler seg over glatte underlag som svaberg. I tillegg svekkes skavler som gjør at disse kan knekke.
Snødekket er mange steder smelteomvandlet, grovkornet og drenerer vann godt. Våte skred kan likevel løsne naturlig på utsatte steder, særlig i bratte sider og dersom sola kommer frem. Hold avstand til bratte heng hvor snøen blir for myk.
Snøoverflaten har et tydelig vårlig preg, og det har vært kraftig smelting den siste tiden. Sammenhengende snø finnes fra omtrent 200–400 moh og oppover, avhengig av hvor i regionen du befinner deg, med mest snø i nordvendt terreng og i indre strøk. Snødekket er i hovedsak smelteomvandlet. I høyfjellet og i skyggevendt terreng kan det fortsatt finnes lagdeling og enkelte eldre svake lag dypt i snødekket. Ved rask oppvarming, mye regn eller skavlbrudd kan store skred ikke utelukkes.
The snow line is falling after several warm days. Conditions are generally stable, but small wet loose avalanches and fresh wind slabs may occur locally.
Bulletin data: Norwegian Water Resources and Energy Directorate (NVE), varsom.no (NLOD)