Avalanche Forecast

Issued: Nov 14th, 2020 4:08PM

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

jesse milner,

Decent ski quality can be found with many early season hazards present. Snowfall and wind values from the incoming storm may differ from area to area within Jasper National Park.

Summary

Weather Forecast

Sunday: Flurries. Accumulation: 10 cm. Temps: High -6 C. Wind SW: 25 km/h gusting to 65 km/h. Freezing level at valley bottom.

Monday: Cloudy with sunny periods and isolated flurries. Precipitation: Trace. Low -12 C, High -10 C. Wind SW: 15 km/h gusting to 45 km/h.

Tuesday: Flurries. 7 cm. Low -8 C, High -1 C. Wind SW: 15 gusting to 50 km/h.

Snowpack Summary

Treeline has a snowpack of 40-60cm with overall supportive travel. The Nov. 4th rain crust exists up to 2600m depending on location in the forecast area. Variable winds have formed wind slabs at ridge tops.

Avalanche Summary

No new avalanches have been observed or reported on the field patrol to Columbia Icefields with a good visibility on Friday Nov 13th.

Confidence

Timing, track, or intensity of incoming weather system is uncertain

Problems

Wind Slabs

An icon showing Wind Slabs

Variable winds may have created pockets of wind slab in unexpected locations

  • Be careful with wind loaded pockets while approaching and climbing ice routes.
  • Early season hazards such as rocks, trees and stumps are still visible.

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

Elevations: Alpine, Treeline.

Likelihood

Unlikely - Possible

Expected Size

1 - 2

Loose Dry

An icon showing Loose Dry

Be suspect of steep alpine faces with the incoming snow.

  • Be cautious of sluffing in steep terrain, particularly where the debris flows into terrain traps.

Aspects: All aspects.

Elevations: Alpine.

Likelihood

Possible

Expected Size

1 - 1.5

Valid until: Nov 15th, 2020 4:00PM