Avalanche Forecast
Avalanche Bulletin - Glacier National Park
Watch for soft slabs along ridge crest and lee slope terrain.
Avalanche Problem 1: Storm Slabs
What Elevation?
Which Slopes?
Chances of Avalanches?
Expected Size?
Travel and Terrain Advice
- Be careful with wind loaded pockets, especially near ridge crests and roll-overs.
- Pay attention to overhead hazards like cornices.
Avalanche Problem 2: Loose Dry
What Elevation?
Which Slopes?
Chances of Avalanches?
Expected Size?
In steep terrain expect surface power sluffing, which can be an issue in terrain traps such as gully features. Stay situationally aware as to people above and below you.
Travel and Terrain Advice
- Be careful of loose dry power sluffing in steep terrain..
Avalanche Summary
15 avalanches, mostly in the size 2-2.5 range in the highway corridor yesterday, all initiating in the storm snow and most running to half fan on the run outs. No new avalanche reports from the backcountry.
Snowpack Summary
~25cm of low density snow from the last 48hrs with mod S winds forming soft slabs along lee of ridges. Storm snow landing on a facetted old snow surface making for a weak bond. Avoid exposure to the many large cornices. Windslab buried under recent storm snow. Solar aspects have a crust buried ~50cm that requires caution. PWL now buried 150-200cm.
Weather Forecast
Alpine high of -12C along with light precipitation and moderate W'ly winds for today. Tuesday through Thursday is forecast to bring light snowfall each day along with W'ly through S'ly winds in the moderate gusting to strong range.
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Moderate S'ly winds and 25cm of storm snow all landing on a facetted old snow surface. Where wind touched watch for a reactive storm slab at and above treeline. Recently buried windslab is also a concern more so on steeper solar locations.