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Archived

Avalanche Forecast

Feb 12th, 2024–Feb 13th, 2024
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: Badshot-Battle, Blue River, Central Selkirk, Clearwater, Esplanade, Goat, Gold, Jordan, North Columbia, North Monashee, North Okanagan, North Selkirk, Shuswap, South Columbia, Valhalla, West Purcell, Whatshan.

Recent snow and wind have formed slabs that may be reactive to human triggers at treeline and above.

Use small low consequence slopes to test the bond of the recent snow.

Confidence

High

Avalanche Summary

Numerous rider triggered wind slab avalanches up to size 1.5 were reported on primarily northerly aspects at treeline and above on Sunday.

Additionally, numerous rider triggered size 1 dry loose avalanches were reported at all elevations.

Snowpack Summary

15 to 25 cm of snow overlies a variety of surfaces including a weak layer of small surface hoar in sheltered areas and/or a thin sun crust on solar aspects.

The widespread crust buried in early February is down 30 to 50 cm. The snow has been reported as bonding well to the crust in most areas.

Various weak layers persist in the mid to lower snowpack, however, triggering these layers is unlikely where they are capped by a thick crust.

Weather Summary

Monday Night

Partly cloudy. 25 to 35 km/h northwest ridgetop wind. Treeline temperature -8 °C.

Tuesday

Mix of sun and cloud. 15 to 25 km/h north ridgetop wind. Treeline temperature -9 °C.

Wednesday

Sunny. 5 to 10 km/h east ridgetop wind. Treeline temperature -12 °C.

Thursday

Sunny. 30 to 40 km/h east ridgetop wind. Treeline temperature -12 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Avoid steep, rocky, and wind effected areas where triggering slabs is more likely.
  • Use small low consequence slopes to test the bond of the new snow.
  • The best and safest riding will be on slopes that have soft snow without any slab properties.
  • A moist or wet snow surface, pinwheeling and natural avalanches are all indicators of a weakening snowpack.

Avalanche Problems

Storm Slabs

15 to 25 cm of snow overlies a weak layer of small surface hoar in sheltered areas and/or a thin sun crust on solar aspects.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 2

Loose Wet

Expect sunshine to trigger wet loose avalanches on steep slopes facing the sun.

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

Elevations: Alpine, Treeline.

Likelihood: Very Likely

Expected Size: 1 - 1.5