Avalanche Forecast
Avalanche Bulletin - Glacier National Park
With today's high alpine temperature, pay special attention near or below rocky outcrops in the sun.
Avalanche Problem 1: Loose Wet
What Elevation?
Which Slopes?
Chances of Avalanches?
Expected Size?
Travel and Terrain Advice
- Avoid sun exposed slopes when the solar radiation is strong, especially if snow is moist or wet.
- Best conditions on sheltered northerly aspects.
Avalanche Summary
Numerous loose avalanches up to size 2 were observed on steep solar aspects, especially near rocky outcrops.
Snowpack Summary
Yesterday's sun and temperature inversion affected the surface snow. Expect to find a crust on solar aspects and a crust/ moist snow on all aspects around treeline, where yesterday's temperatures reached 6.0 degrees. A 50cm storm slab is bonding well to the November 26 crust. Moderate south winds have likely created new soft slabs near ridge line.
Weather Forecast
A stagnant ridge of high pressure continues to dominate the weather pattern with no precipitation in the immediate future. A strong temperature inversion keeps low clouds trapped in the valleys while warm temperatures and sun bake the alpine. Expect light ridge top winds from the west with alpine temperatures reaching 3.0 degrees.
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This is day 2 of a strong alpine temperature inversion and very little cloud cover at higher elevations. Solar input and warm temps will cause loose slides on steep solar aspects. Larger slides may trigger early-season persistent crust layers.