Bulletin d’avalanche

Brazeau

Nov 27 – 28, 2023Avalanche Canada

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Archivé · expiré 3 years ago

Danger d’avalanche

Wed

Thu

Alpin

2 · Modéré

Limite forestière

1 · Faible

Sous la limite

Début de saison

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Points saillants

The snowpack is generally shallow but avalanches are still possible. Watch for a slab sitting over the weak base of facets.

Problèmes avalancheux

Deep Persistent Slabs
N
NE
E
SE
S
SW
W
NW
Alpin
Limite forestière
Sous la limite forestière
Probabilité
Possible
Taille
1–2
A slab may be sitting over weak basal facets. Even in shallow snowpacks Deep Persistent Slab problems are characterized by a weakness caused by a metamorphosis of snow grains at the base of the snowpack.

Confidence

Moderate

Avalanche Summary

No new avalanches observed Saturday and visibility was excellent. No patrol Sunday.

Snowpack Summary

Wind has scoured exposed areas at tree line and above. Wind loaded locations have between 25-45cm of snow sitting over a faceted base. In general, the snowpack is shallow but the structure fits the definition for Deep Persistent Slab.

Surface hoar up to 10mm has grown in recent cold temperatures.

Weather Summary

The Mountain Weather Forecast is available from Avalanche Canada https://avalanche.ca/weather/forecast

A ridge of high pressure continues to maintain dry conditions.

Terrain and Travel Advice

If it's deep enough to ride, it's deep enough to slide (avalanche).