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Archived

Avalanche Forecast

Feb 18th, 2025–Feb 19th, 2025
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
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

Regions: Glacier.

With the long, snowless drought and the high number of backcountry travelers, it is getting hard to find untracked terrain.

These untouched slopes may be in shallow, rocky zones or otherwise undesirable terrain. Use good judgement and safely evaluate terrain before committing to your line.

Confidence

Moderate

Avalanche Summary

Frequent Flyer in Connaught Creek ran Monday afternoon, size 2, across the skin track, burying ~15-20m of the uptrack up to 50cm deep. Trigger was likely strong solar radiation at ~1pm.

Several loose/dry avalanches up to sz 1 were noted from solar aspects in the hwy corridor during peak hours of strong sunshine.

Neighbouring operations, particularly to the west, are still reporting rider & remote triggered avalanches on the Jan 30th layer.

Snowpack Summary

5-10cm of new snow sits on a faceted, variable hardness upper snowpack.

A weak layer of surface hoar, facets and/or suncrust (Jan 30th) is 20-50cm down. This layer failed easily in snowpack tests at 1700m on the Smart paths. Watch out when this layer gets overloaded!

The Jan 7th layer is down 50-80 and is decomposed surface hoar or a thin crust on South and West aspects. This layer has been inactive recently.

Weather Summary

An active weather pattern is slowly developing, with a weekend storm on the horizon.

Tonight Cloudy. Alpine low -11°C. Ridge winds S 15km/hr

Wed Isolated flurries late in the day. Trace amounts. Alp high -5°C. Light S wind. Freezing level (FZL) rising to 1300m.

Thurs Cloudy with isolated flurries. Alp high -5°C. Ridge wind SW 20km/h. FZL 1500m.

Fri Flurries. 5-10cm. Alp high -6°C. Ridge wind SW 25-40km/h. FZL 1300m.

Terrain and Travel Advice

  • Be careful with sluffing in steep terrain, especially above cliffs and terrain traps.
  • Avoid steep, sun-exposed slopes when the air temperature is warm or when solar radiation is strong.
  • Back off if you encounter whumpfing, hollow sounds, or shooting cracks.

Avalanche Problems

Loose Dry

New snow and facets make up the upper snowpack. As the incoming light snow slowly builds up, it won't take much of a disturbance to initiate a loose avalanche in steep terrain. Manage your sluff accordingly!

Aspects: All aspects.

Elevations: All elevations.

Likelihood: Unlikely - Possible

Expected Size: 1 - 2

Persistent Slabs

20-50cms of snow overlays a buried persistent weak layer. This weak layer consists of surface hoar, facets and/or a suncrust. It will be most reactive where there is a settled, cohesive slab on top of a crust.

Sluffing from dry/loose avalanches could potentially trigger this deeper layer.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Unlikely - Possible

Expected Size: 1 - 2.5