Bulletin d’avalanche

Mürzsteg Alps

LWD Steiermark
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Danger d’avalanche

Above 1,500 m
2 · Modéré
Below 1,500 m
1 · Faible
Périmé — ce bulletin a expiré 3 years ago. Vous consultez des conditions passées, pas le bulletin en cours.

Points saillants

Caution: fresh snowdrift accumulations at high altitudes. Still beware glide-snow avalanches.

Problèmes avalancheux

  • Wind slab

    • Toutes altitudes
  • Gliding snow

    • Toutes altitudes

Avalanche Activity

Caution: fresh snowdrift accumulations at high altitudes. Still beware glide-snow avalanches.

As of intermediate altitudes, avalanche danger is moderate. On very steep wooded and grassy slopes and smooth rocky slopes in all aspects, glide-snow avalanches can still release, mostly small-to-medium. Avoid zones below glide cracks. Minor fresh snow and brisk W/NW wines will form small fresh snowdrifts. Older drifts seldom prone to triggering.

Snowpack Structure

The snowpack is stabilizing due to lower temperatures, regaining firmness on the surface. The snowpack base is moist/wet, which leads to a gliding snow problem. On shady slopes the surface is often still dry, but faceted crystals and surface hoar can form, atop of which fresh snow and drifts get deposited, bonding is often poor. On higher-altitude shady slopes, faceted crystals near deeply embedded melt-freeze crusts weaken the snowpack.

Weather Forecast

Brisk (higher up, stormy) W/NW winds are bringing some snowfall to the northern flank of the Alps. Milder: snowfall level will ascend to nearly 1300 m. South of the Alps, conditions are more pleasant, longer periods of sunshine. At 2000 m: -2 degrees at midday, in the evening the precipitation will intensify on the northern flank of the Alps and winds will get stronger.

Tendency

Northern barrier clouds, inhospitable conditions. Strong NW winds, gusts at gale strength, snowfall in Upper Styria will be heavy and persistent. Avalanche danger increasing.

Bulletin data: Avalanche Warning Service Styria (CC BY 4.0)

Régions couvertes