Wind slab
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Low avalanche danger, but still isolated avalanche prone locations in gullies and bowls.
The evening and night will be cloudy but without precipitation. On Thursday, an area of low pressure forms over the Upper Adriatic. Cloud cover will increase and the peaks will become increasingly cloudy. Precipitation sets in in the afternoon. Initially, the snowfall level will be around 1000 metres, dropping rapidly to low altitudes in the evening. Temperatures will rise significantly in the night to Thursday. At midday, it will be around +1 degree at 1500 metres. A marked cooling will follow in the night to Friday. During the day, moderate to strong southerly winds with gusts of between 40 and 60 km/h will blow in exposed areas; in the evening and on Friday night, the wind will shift to the north-east.
Heavy precipitation will spread from the south-east during the night to Friday. The snowfall level will be in the valleys. By Friday morning, 10 to 20 cm of new fallen snow will be widespread, with up to 30 cm possible locally. The risk of avalanches increases on Friday.
Low avalanche danger, but still isolated avalanche prone locations in gullies and bowls.
With strong westerly to north-westerly winds, drift snow packs have formed in gullies and bowls as well as behind terrain edges. These can occasionally be triggered as small slab avalanches. In shady gullies and bowls, it is possible to tear through weak layers of old snow, but avalanches will remain small. Localised wet snow slides cannot be ruled out below around 1000 m due to rain in the afternoon.
The new fallen snow of the last few days has been transported by the wind in exposed areas. In the aspects from north to east to south, drift snow packs have formed in gullies and bowls. Below 1000 metres there is usually only a thin snowpack. With the onset of precipitation, some new fallen snow will be added in the afternoon above around 1000 metres, below which rain or sleet may moisten the snowpack.
Bulletin data: Avalanche Warning Service Lower Austria (CC BY 4.0)