Avalanche Forecast
Avalanche Bulletin - Glacier National Park
Early season hazards are lurking below below the snow surface, ski and ride cautiously and defensively once below treeline.
Watch for sluff accumulation in steep terrain.
Avalanche Problem 1: Loose Dry
What Elevation?
Which Slopes?
Chances of Avalanches?
Expected Size?
Travel and Terrain Advice
- Sluffs will be easy to trigger in steep terrain that is sheltered from the wind
- Be cautious of sluffing in steep terrain.
Avalanche Summary
Several days ago two natural wind slab avalanches were observed in the HWY corridor off Mt Macdonald on steep terrain to size 1.5. No other natural or rider triggered avalanches have been reported recently.
Snowpack Summary
A light dusting of snow overnight, with 25-40cm overlying the Halloween crust at treeline. The crust sits on 50-70cm of rounds/mixed forms which cover the earlier October crusts. Snowpack is 80-110cm above 1900m. Variable windslab (unreactive to riders) in the alpine from strong northerly winds last week now covered by recent snowfall (10-15cm).
Weather Forecast
No snow in todays forecast with mainly cloudy skies, an alpine high of -7, light winds from the south and a freezing level that could reach up to 1300m. 5cm of snow forecasted for Sunday and 30cm by Monday will be accompanied by strong southerly winds with temps remaining below zero.
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10-15cm of snow on the Nov 9 surface hoar, reported up to 20mm at TL. Not expecting this to be an issue until it sees more load but felt it is worth noting, manage your sluff in steep terrain.