Avalanche Forecast
Avalanche Bulletin - Little Yoho
The new snow is bonding poorly to the old snow and is presently touchy. Watch out for large open areas, or gullied terrain that can gain mass quickly. More than 10 cm Saturday would quickly bring us back to considerable danger.
Avalanche Problem 1: Loose Dry
What Elevation?
Which Slopes?
Chances of Avalanches?
Expected Size?
Travel and Terrain Advice
- Avoid ice climbs exposed to steep rocky terrain on solar aspects during the middle of the day.
- Minimize exposure to steep, sun exposed slopes when the solar radiation is strong.
Avalanche Problem 2: Storm Slabs
What Elevation?
Which Slopes?
Chances of Avalanches?
Expected Size?
Hot weather means cornice season, and this is the time when large mature cornices begin to fall off and the mountain sheds its snowpack. On ridges stay well away from cornices (they can reach back and get you), and avoid traveling under them.
Avalanche Summary
Storm slab avalanches up to size 2 were noted today in Yoho, Loose moist, size 1 avalanches were also noted.
Snowpack Summary
The majority of the old, settled snowpack is stable and recent tests have not found any weaknesses. 5-30 cm of new snow from the past two days has formed a soft slab, was distributed unevenly in Little Yoho, and is poorly bonded to melt-freeze or old snow layers .
Weather Forecast
Low elevation sites on the BC side of the Rockies have not recovered for a few days, and pockets of isothermal are present on the Field Back Road and the Tak Falls road. 10cm more upslope snow is expected Saturday.
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The sun is strong right now and with this clear weather, it is destabilizing the snow on solar aspects in the afternoon. Generally these avalanches are running as loose wet and not stepping down to deeper layers, but the possibility remains.