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Alpes du Nord

Belledonne

Sun 9 Nov

Avalanche Problems

Low (1) Dry avalanches · all day
Dry snow level 1 Wind slab 1
All aspects · all elevations
Field notes

Look for fresh snow deposits on Slope facing downwind/ wind sheltered aspect. Snow deposits can attain several times average snow depth.EAWS glossary, in Usually a steep, elongated, eroded trench; typically prone to snowdrift accumulation.EAWS glossary and Rounded or elongated concavity; typically tending to accumulate snowdrift.EAWS glossary, and behind ridgelines and abrupt changes in terrain — these are where the wind has loaded the snow into slabs that are easy to trigger. Recent avalanches, shooting cracks under your weight, and Distinctive noise (resembling a “whumpf” sound) occurring when a weak layer beneath a slab collapses. The air of the weak layer is forced outside the snowpack, with the resulting whumpf sound being heard. The sound usually indicates an unstable situation and can be accompanied by surface cracking. A whumpf is a clear avalanche alert.EAWS glossary sounds are clear confirmations of the problem. The safest move is to avoid wind-loaded terrain entirely. NB wind signs alone don't always mean an avalanche problem exists, and the age of drifted snow is hard to judge.

Source: SLF Avalanche Bulletin Interpretation Guide

Avalanche Activity

MANTEAU NEIGEUX BIEN STABILISÉ DANS LA PLUPART DES PENTES.

rien à craindre.

très localement en versant froid de haute altitude, une petite accumulation de neige soufflée reposant sur une couche de neige sans cohésion

pourrait céder au passage d'un randonneur.

Outlook

Constant avalanche danger

Snowpack & Weather

Snowpack

Situation avalancheuse typique

neige ventée

Bulletin rédigé à partir d'informations réduites.

Déclenchements provoqués : très localement en versant froid de haute altitude, une petite accumulation de neige soufflée reposant sur une couche de neige sans cohésion

pourrait céder au passage d'un randonneur.

Départs spontanés : rien à craindre.

Outlook

km/h 15 km/h 10 km/h

Tendance du lundi 10 novembre

Indice de risque faible

s d'évolution significative de la stabilité du

anteau neigeux lundi.

Source

Météo-France

Issued

8 Nov 15:08 UTC

Valid until

9 Nov 23:59 UTC

Next update

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