Avalanche Forecast
Issued: Mar 29th, 2021 8:21AM
The alpine rating is , the treeline rating is , and the below treeline rating is Known problems include Storm Slabs and Cornices.
ross campbell,
While natural avalanche activity has tapered off, they still remain possible. Human triggered avalanches are likely today!
Summary
Weather Forecast
Cooler and drier conditions will prevail today and tomorrow, as the jet stream shifts to the North-West. Expect all types of weather today (sun, cloud, snow, and wind), as Spring convective conditions persist. Clouds are forecast to clear this evening, and temperatures continue to stay cool. Similar conditions can be expected tomorrow.
Snowpack Summary
Another 30cm at Treeline brings our storm totals to ~50cm <48 hours, and ~75cm in the last 72 hours! Strong Southerly winds and warm temperatures accompanying the new snow has formed storm reactive storm slabs. The March 18th layer is now buried 40-100cm depending on aspect and elevation.
Avalanche Summary
Numerous natural and artificially triggered avalanches occurred in the last 24 hours in the Highway Corridor. The average size was 2 to 3, with several size 3.5s, and a few size 4s. There was one skier accidental Min report from Hospital Gullies yesterday. Report from Connaught Creek this am mentioned Grizzly slide Path buried the skin track.
Confidence
Problems
Storm Slabs
A significant storm yesterday brought plenty of snow, wind, and warm temperatures to Rogers Pass. These weather conditions formed excellent conditions for slab avalanches!
- Avoid exposure to overhead avalanche terrain, large avalanches may reach the end of run out zones.
Aspects: All aspects.
Elevations: All elevations.
Likelihood
Expected Size
Cornices
Cornices have been growing at an exponential rate during this storm. March is a great time of year to elude cornices, try and avoid approaching them from above and below when accessing your line.
- Avoid travel on slopes that are exposed to cornices overhead.
Aspects: All aspects.
Elevations: Alpine.
Likelihood
Expected Size
Valid until: Mar 30th, 2021 8:00AM
