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Archived

Avalanche Forecast

Jan 29th, 2024–Jan 30th, 2024
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
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
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

The upper snowpack has become saturated and weakened due to warm temperatures and rainfall.

Confidence

Moderate

Avalanche Summary

A widespread loose wet and wet slab avalanche cycle occurred in the Coquihalla area over the past few days, up to size 2.

Recent observations have been limited.

Snowpack Summary

Rainfall has saturated the upper snowpack at all elevations. Below treeline, the snowpack has significantly decreased and may now be below the threshold in some areas.

The mid and lower snowpack is generally well-bonded and strong, with several old crusts present. The snowpack remains shallow for this time of year.

Weather Summary

Monday Night

Couldy with 0 to 10 mm of rain, southwest alpine winds 60 to 90 km/h, freezing levels around 2400 m.

Tuesday

Cloudy with trace amounts of rain or wet snow, southwest alpine winds 20 to 40 km/h, freezing levels around 2400 m.

Wednesday

Mostly cloudy with 0 to 5 mm of rain or wet snow, south alpine winds 20 to 40 km/h, freezing levels around 2200 m.

Thursday

Mostly cloudy with 0 to 5 mm of rain or wet snow, south alpine winds 20 to 40 km/h, freezing levels around 2000 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • The more the snow feels like a slurpy, the more likely loose wet avalanches will become.
  • Even a small avalanche can be harmful if it pushes you into an obstacle or a terrain trap.
  • Avoid areas with overhead hazard.
  • Keep in mind that wet avalanches can be destructive due to their high density.

Avalanche Problems

Loose Wet

The upper snowpack is saturated and continues to lose strength with above-freezing temperatures and rain.

Aspects: All aspects.

Elevations: All elevations.

Likelihood: Likely

Expected Size: 1 - 2

Wet Slabs

Wet slab avalanches are of particular concern in areas where a saturated snowpack pack overlies a hard crust or smooth ground surfaces like rock slabs or grassy slopes.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1.5 - 2.5