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Archived

Avalanche Forecast

Mar 9th, 2022–Mar 10th, 2022
Alpine
1: Low
The avalanche danger rating in the alpine will be low
Treeline
1: Low
The avalanche danger rating at treeline will be low
Below Treeline
1: Low
The avalanche danger rating below treeline will be low
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
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

Regions: Glacier.

Be watchful for isolated pockets of wind slabs.  Consider your exposure and other touring groups that might be effected as you move through wind effected terrain.

Weather Forecast

High pressure ridge will break down Thursday, with an approaching frontal system. Light precip is forecast for the weekend.

Tonight: Cloudy, -17*C, light W wind

Thurs: Sun with cloud, Alp high -11*C, Light W wind

Fri: Flurries,6cm, Alp high -6*C, light SW wind, fz lvl 1100 m

Sat: Flurries,7cm, Alp high -9*C, light, gusting to Mod SW wind, fz lvl 1200m

Snowpack Summary

Northerly ridge top winds have reverse loading lee features in the alpine. Surface crust exists up to ~1500m on all aspects and higher on solar aspects. Soft, dry snow can be found on Northerly terrain features. 30cm of settling snow sits on top of the Feb 26th interface of small surface hoar in sheltered areas and a crust on steep solar aspects.

Avalanche Summary

No new natural avalanches reported or observed in the last 48hrs.

Rider triggered size 2, near miss in Loop Brook drainage, remote triggered slab at ridge top, NE asp, MCR.

MCR from Tuesday of isolated wind slabs in the Illecillewaet drainage.

Confidence

Avalanche Problems

Wind Slabs

Isolated wind slab pockets may be found on all aspects, especially with the reverse-loading by N'ly winds. Keep this in mind if you head to more committing/exposed terrain, where a slip/fall could sweep you over a cliff.

  • Use caution above cliffs and terrain traps where small slab avalanches may have severe consequences.
  • Pay attention to overhead hazards like cornices which could trigger slabs.

Aspects: All aspects.

Elevations: Alpine.

Likelihood: Unlikely - Possible

Expected Size: 1 - 2