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Archived

Avalanche Forecast

Nov 30th, 2023–Dec 2nd, 2023
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
1: Low
The avalanche danger rating at treeline will be low
Below Treeline
Early Season
The avalanche danger rating below treeline will be early season
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
1: Low
The avalanche danger rating at treeline will be low
Below Treeline
Early Season
The avalanche danger rating below treeline will be early season
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
1: Low
The avalanche danger rating at treeline will be low
Below Treeline
Early Season
The avalanche danger rating below treeline will be early season

While the skiing is basically non-existent, the ice climbing, winter hiking and ice skating are all in great shape. Hikers, snowshoers and climbers should still keep an eye out for avalanche exposure. Avoid steep, confined snow gullies or snow slopes above cliffs.

Confidence

Moderate

Avalanche Summary

No new observed or reported.

Snowpack Summary

Terms like, "storm snow", HST, HN24, HN48, or even HN144 won't be in this snowpack description. We haven't seen a flake in ages! Thanks to this extended weather pattern, our excuse of a snowpack has dried out and become a combination of old, weak windslabs and loose, sugary facets. The alpine is home to isolated windslabs that are probably getting touchier as they break down. Generally windslabs will become less reactive as they break down, but given how these current slabs are precariously perched on a house of cards (facets being the correct term), expect them to get touchier. If that wasn't enough, expect them to entrain a fair amount of snow as they travel. In other snow pack news, the surface hoar that's been steadily growing will become very relevant once it does snow. It appears the feathery surface hoar is widespread and stretching up to at least treeline.

Weather Summary

The clear, cold and dry weather we've enjoyed for the past while is slowly moving on. We'll experience some light SW winds, cloudy skies and seasonal temperatures (ranging from -14 to -8) for a couple more days. By Sunday we might get a pulse of weather that will bring some snow. Fingers crossed. At this point, we'll take whatever leftovers the interior ranges will give us.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Be carefull with sluffing in steep terrain, especially above cliffs and terrain traps.
  • Avoid terrain traps where the consequence of any avalanche could be serious.

Avalanche Problems

Persistent Slabs

Slabs are reactive on the basal facets and possibly an intact crust at lower elevations. These will run far and fast if they trigger.

Aspects: North, North East, East, South East, South.

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 1.5