Avalanche Forecast
Avalanche Bulletin - Little Yoho
A refresh is expected Friday with 20-30cm possible. Expect the new snow to be touchy if the forecast winds materialize, and give the new snow some time to settle before pushing into bigger terrain.
Avalanche Problem 1: Storm Slabs
What Elevation?
Which Slopes?
Chances of Avalanches?
Expected Size?
Avalanche Problem 2: Persistent Slabs
What Elevation?
Which Slopes?
Chances of Avalanches?
Expected Size?
The buried March 15th suncrust has provided a good sliding layer in recent skier triggered avalanches. This crust is buried 25-40cm currently on solar aspects, and will be deeper after the forecast snow Friday.
Travel and Terrain Advice
- Dig down to find and test weak layers before committing to a line.
- Watch for signs of instability such as whumpfing, or cracking.
Avalanche Summary
No avalanches reported or observed today. Yesterday there were a few cornice triggered wind slabs up to size 2 in the Bow Hut area and Sunshine village. The good news is even with that large trigger, nothing too big was released!
Snowpack Summary
Up to 25-40cm over the last week has been redistributed by strong W/SW winds forming wind slabs in lee features down to treeline. The March 15 suncrust is down 25-40cm on solar aspects and has been sensitive to skier triggering over the last few days. The mid- pack land basal layers have been dormant for the past while.
Weather Forecast
20-30cm of snow is expected tonight into Friday afternoon. Alpine winds will be strong from the SW Friday morning, dropping in the afternoon. Temperatures will also drop Friday afternoon, with a clearing trend on Saturday.
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This problem includes new widespread storm slabs which will form if the expected snow and wind occurs, and some older wind slabs which will now be buried in specific features at upper elevations.