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Archived

Avalanche Forecast

Nov 13th, 2020–Nov 14th, 2020
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
1: Low
The avalanche danger rating at treeline will be low
Below Treeline
Below Threshold
The avalanche danger rating below treeline will be below threshold
Alpine
3: Considerable
The avalanche danger rating in the alpine will be considerable
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
1: Low
The avalanche danger rating below treeline will be low
Alpine
3: Considerable
The avalanche danger rating in the alpine will be considerable
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
1: Low
The avalanche danger rating below treeline will be low

Regions: Jasper.

Early season hazards are present, remain conservative in your terrain choices . Watch out for wind slabs in unexpected places.

Weather Forecast

Saturday will be cloudy with sunny periods and isolated flurries with trace of snow and  alpine high of -11 C with light southwest winds gusting to 40 km/h. Sunday will be snowing with expected accumulation of up to 16 cm and high  of -6 C, light winds gusting to 60 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 on Sunday

Avalanche Problems

Wind Slabs

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

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

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

Elevations: Alpine, Treeline.

Likelihood: Unlikely - Possible

Expected Size: 1 - 2