Avalanche Forecast

Issued: Nov 18th, 2019 4:00PM

The alpine rating is moderate, the treeline rating is low, and the below treeline rating is below threshold. Known problems include Wind Slabs.

Parks Canada deryl kelly, Parks Canada

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Strong winds have sculpted and stripped open features at TL and above.

Summary

Weather Forecast

Forecasted light precipitation has eased off for Tuesday with some clearing expected through the week to Thursday. Seasonal temperatures, low - 8/ high - 4 at TL. Alpine winds continue from the  W and SW in the moderate ranges.  For more details: Avalanche Canada's, Mountain Weather Forecast.

Snowpack Summary

Variable surfaces including temp/rain crust, wind press and loose snow sit above the recently developing November rain crust which may go as high as 2200m. Total snow pack height in alpine is around 45-85 cm. Wind pressed/scoured features to wind slabs in lee features in the high alpine. Cross loaded gulleys may threaten ice climbs from above.

Avalanche Summary

Strong SW winds transporting variable HST through the high alpine peaks and ridge tops. Hazard can be expected to increase in isolated areas where wind effect and loading is visible. No natural activity observed or reported in the forecast region.

Confidence

Problems

Wind Slabs

An icon showing Wind Slabs

Widespread wind effect in the alpine at ridgetops and possible in open areas at treeline.

  • Be careful with wind loaded pockets, especially in steep confined alpine terrain.
  • Use caution in lee areas. Recent wind loading has created wind slabs.

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

Elevations: Alpine, Treeline.

Likelihood

Possible

Expected Size

1 - 2

Valid until: Nov 19th, 2019 4:00PM