Avalanche Forecast

Issued: Apr 21st, 2022 4:00PM

The alpine rating is low, the treeline rating is moderate, and the below treeline rating is moderate. Known problems include Loose Wet and Cornices.

Marcus Waring,

Wet Loose avalanches are the primary concern due to high freezing levels. Use extra caution on sun effected slopes and during periods of peak warming.

 

Summary

Weather Forecast

Friday: Flurries with 5mm or rain in townsite and snow near Cameron Lake.  Variable light winds up to 15km/h. Freezing level (FL) 2100m.

Sat: Cloudy with sunny period with isolated showers/ flurries. Light N winds. FL2200m.

Sunday: Cloudy with sunny periods. SW winds 15-30km/h. FL 2200m.

Snowpack Summary

5-10cm of new snow in the past 24h arrived with uncharacteristically light winds. A total of 10-40cm of snow sits over the april rain / temperature crust which exists at all elevations & aspects. Moist surface snow found up to 2200m on thursday caused by inversion. Well consolidated mid and lower snowpack. HS 250-300 cm near the continental divide.

Avalanche Summary

Continued size 1 wet loose avalanches observed throughout the day Thursday. Wet loose activity is expected to increase as freezing levels remain high throughout the week with weak freezes overnight.  Please report any observations to the Mountain Information Network we appreciate the info as neighboring operations are shut down for the season.

Confidence

Problems

Loose Wet

An icon showing Loose Wet

Watch for pin wheeling and snow becoming moist with day time heating. Exercise caution in steep slopes, confined areas and terrain traps and be mindful of your overhead hazard especially on sun effected aspects.

  • Use extra caution on slopes if the snow is moist or wet.

Aspects: North East, East, South East, South, South West, West, North West.

Elevations: Treeline, Below Treeline.

Likelihood

Possible - Likely

Expected Size

1 - 2

Cornices

An icon showing Cornices

Cornices will weaken with day time heating. Pay attention to over head hazard and minimize time on slopes with cornices above.

  • Give cornices a wide berth when travelling on or below ridges.
  • Avoid travel on slopes that are exposed to cornices overhead.

Aspects: All aspects.

Elevations: Alpine.

Likelihood

Unlikely - Possible

Expected Size

1 - 3

Valid until: Apr 24th, 2022 4:00PM

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