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Archived

Avalanche Forecast

Feb 14th, 2020–Feb 15th, 2020
Alpine
3: Considerable
The avalanche danger rating in the alpine will be considerable
Treeline
3: Considerable
The avalanche danger rating at treeline will be considerable
Below Treeline
2: Moderate
The avalanche danger rating below treeline will be moderate
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
2: Moderate
The avalanche danger rating below treeline will be moderate
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
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: Glacier.

Significant new input of snow in the last 24hrs. Watch for sensitive storm slab formation.

Weather Forecast

Periods of snow today with 5cm forecast. Ridge winds moderate westerly with an alpine high temp of -10C. Another 10-15cm of snow are forecast through to Saturday afternoon accompanied by moderate SW winds.

Snowpack Summary

30cm of storm snow overnight at our 1900m station with light to mod S-W winds. Expect new storm slab formation over previous wind effected snow as you transition into wind exposed terrain. Solar input Wednesday may have been sufficient to have form sun crust on steep solar aspects.

Avalanche Summary

A few avalanche detections overnight in the west end of the park on the Gunners slide paths. No new avalanches reported from the backcountry.

Confidence

Avalanche Problems

Storm Slabs

30cm of storm snow in the last 24hrs at treeline with mod S-W winds. Expect soft storm slab with more potential for human triggering as you move into wind effected terrain.

  • The new snow will require several days to settle and stabilize.
  • Watch for signs of instability such as whumphing and cracking.

Aspects: All aspects.

Elevations: All elevations.

Likelihood: Likely

Expected Size: 1 - 2.5

Loose Dry

30cm of storm snow will lead to loose dry slides in steep to extreme terrain. Avoid gulley features where small slides may form deeper deposits.

  • Avoid exposure to sluffs from parties traveling above you.

Aspects: All aspects.

Elevations: All elevations.

Likelihood: Possible

Expected Size: 1 - 2