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Archived

Avalanche Forecast

Dec 23rd, 2023–Dec 24th, 2023
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
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

Regions: Babine, Hudson Bay, Kispiox, Microwave-Sinclair, North Bulkley, Northwest Inland, South Bulkley, Telkwa.

Approach ridgelines carefully, wind affected snow may still be reactive to human triggers.

Confidence

Moderate

Avalanche Summary

No recent avalanches have been reported, we expect some natural avalanche activity may have occurred during the recent storm.

If you do go into the backcountry, consider submitting a Mountain Information Network report.

Snowpack Summary

10-20 cm of storm snow has fallen over previously wind-affected surfaces at higher elevations.

Lower elevations received mostly rain and are likely to have moist snow or a surface crust.

Two different surface hoar layers have been reported in the upper snowpack (up to 40 cm deep) and appear to be most prominent at treeline and below. Snowpack depths at treeline are 50 to 100 cm.

Weather Summary

Saturday Night

Partly cloudy with possible flurries, southerly winds 50 km/h. Freezing levels at valley bottom.

Sunday

Increasing cloud with easing southerly winds, 60 km/h. Possible flurries. Freezing levels remain around 500 m. Treeline temperatures near -7 °C.

Monday

Mostly cloudy with southerly winds, 60-90 km/h. Flurries deliver up to 3 cm. Freezing levels rise to 1000 m, treeline temperatures around -3 °C.

Tuesday

Cloudy, with southwest winds, 50 km/h. Freezing levels reach 1500 m with treeline temperatures around +1 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Be careful with wind slabs, especially in steep, unsupported and/or convex terrain features.
  • Carefully assess open slopes and convex rolls where buried surface hoar may be preserved.

Avalanche Problems

Wind Slabs

Slabs are likely small but may continue to be reactive to human triggers.

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

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 1.5

Persistent Slabs

Buried surface hoar can be found 30-50 cm below the snow surface. It is reported to be deeper and more reactive in the western part of the region.

Aspects: All aspects.

Elevations: All elevations.

Likelihood: Possible

Expected Size: 1 - 2.5