Avalanche Forecast
Issued: Mar 21st, 2020 4:00PM
The alpine rating is , the treeline rating is , and the below treeline rating is Known problems include Wind Slabs.
Tim Haggarty,
Parks Canada
Snow with elevated winds overnight Sunday will start the change in conditions through next week.
Summary
Weather Forecast
Skies became overcast Saturday afternoon and the possibility of precip increases into Sunday afternoon and through the start of the week with up to 15cm possible by Monday evening. Alpine winds are expected to pick up to strong SW Sunday afternoon with alpine temperatures between -10 and -15C.
Snowpack Summary
5-10cm of snow accumulation Wednesday. Widespread wind effect in the alpine from recent multidirectional winds. Sun crust on solar aspects. The deep snowpack of Little Yoho is generally strong with few weaknesses.
Avalanche Summary
Several solar triggered small loose avalanches observed Wednesday and Thursday. Otherwise, no new avalanches observed or reported.
Our observations are very limited and we appreciate your reports to the MIN.
Confidence
Problems
Wind Slabs
Recent snow and winds from variable directions have developed wind slabs in lee areas on a variety of aspects. These are generally small but remain possible to trigger and require some caution in steep or committing terrain.
- Variable winds may create pockets of wind slab in some unexpected locations.
Aspects: All aspects.
Elevations: Alpine.
Likelihood
Expected Size
Valid until: Mar 22nd, 2020 4:00PM
