Avalanche Forecast
Issued: Apr 25th, 2022 4:00PM
The alpine rating is , the treeline rating is , and the below treeline rating is Known problems include Wind Slabs and Cornices.
dsaly,
Avalanche Canada
With spring conditions, avalanche hazard can change quickly during periods of warming or from a blast of wet spring snow. Start early and keep track of any accumulating snowfall.
Summary
Confidence
Moderate - Uncertainty is due to the limited number of field observations.
Weather Forecast
MONDAY NIGHT: Cloudy with isolated flurries, 5 cm. Gusty 15-35 km/h southwest wind, alpine low temperature -2 C. Poor overnight re-freeze expected with freezing level staying above 2000 m.
TUESDAY: Wet flurries, 5-10 cm. 20-40 km/h southwest wind. alpine high temperature +1 C, freezing level slowly falling to 1800 m overnight.
WEDNESDAY: Scattered flurries, 10-20 cm accumulating by morning. 20-30 km/hr southwest wind, alpine high temperature +2 C, daytime freezing level around 1600 m.
THURSDAY: Scattered cloud. Light west wind, alpine high temperature +3 C, daytime freezing level rising above 2100 m.
Avalanche Summary
A few loose wet avalanches occurred Sunday from steep south-facing alpine slopes. Please consider posting your observations to the Mountain Information Network to supplement our data stream and help fellow recreationists.
Snowpack Summary
The snowpack has transitioned to spring-time conditions, with overnight crusts transitioning to moist snow during the day, and isolated and lingering winter-ish conditions at the highest shaded elevations. Overall the snowpack is strong, consisting of hard snow and various melt-freeze crusts. At ridge top, remember that cornices are large and looming. The snowpack deteriorates rapidly at lower elevations.
Terrain and Travel
- Make observations and assess conditions continually as you travel.
- Small avalanches can have serious consequences in extreme terrain. Carefully evaluate your line for wind slab hazard before you commit to it.
- Pay attention to cornices and give them a wide berth when traveling on or below ridges.
- Remember that in the spring strong solar radiation and warm temperatures can weaken the snow in a matter of minutes.
Problems
Wind Slabs
A dusting of wet flurries is forecast to start Tuesday. Any fresh snow will slide easy on the crust below. Take care where wind moves snow to deeper, more cohesive deposits.
Aspects: North, North East, East, South East, North West.
Elevations: Alpine, Treeline.
Likelihood
Expected Size
Cornices
Cornices are large and fragile. Warm temperatures and sun, or loading from rain or snow increases their likelihood of failure. Any release could be catastrophic.
Aspects: North, North East, East, North West.
Elevations: Alpine.
Likelihood
Expected Size
Valid until: Apr 28th, 2022 4:00PM
