Avalanche Forecast
Avalanche Bulletin - Glacier National Park
Last night's storm brought heavy snow and strong winds. Use caution transitioning to wind effected terrain. Take the time to see how the new storm slab is bonding to the surface beneath.
Avalanche Problem 1: Storm Slabs
What Elevation?
Which Slopes?
Chances of Avalanches?
Expected Size?
Travel and Terrain Advice
- The new snow will require several days to settle and stabilize.
- Watch hollow sounds on unsupported windslabs.
Avalanche Summary
Avalanche activity has tapered off over the last few days however with the rapid loading and strong winds overnight expect a natural cycle today.
Snowpack Summary
25cm of new snow fell in the last 48 hours with strong to extreme winds. This sits on a supportive crust between 1500-2000m. Below 1500m the crust becomes thin & unsupportive. At higher elevations there is approximately 30-50cm dry snow with isolated wind slabs. The Mar 15 crust complex down 70-90cm on solar aspects.
Weather Forecast
Today we'll see a break in the stormy weather after the frontal system passing overnight dumped 20cms with strong to extreme winds. Winds today will be SW 20 kph, gusting 80 with freezing level up to 1700m. The next storm arrives tonight with 10cm forecast and another 20 on the ground by Tuesday
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25cm of snow in the last 24hrs with strong to extreme winds has created widespread storm slabs on all aspects at Treeline and in the Alpine. Expect the strong winds to have scoured south aspects & created firm windslabs on North facing slopes.