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Archived

Avalanche Forecast

Apr 21st, 2024–Apr 22nd, 2024
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
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
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

Regions: Birkenhead, Duffey, South Chilcotin, South Coast Inland, Stein, Taseko.

Watch for reactivity within the wind affected pockets of storm snow, especially where it overlies the crust.

Confidence

Moderate

Avalanche Summary

No new avalanches have been reported. We expect small slabs may have occurred on Sunday with the fresh snow and strong winds - reactivity may linger in wind-affected features. With full sun on Monday, small wet sluffs are possible on steep, south-facing slopes within the new snow.

If you have any recent photos or observations, please submit them to the Mountain Information Network, observations are limited in the spring.

Snowpack Summary

Storm snow up to 10 cm can be found, redistributed into wind affected deposits on north and east facing slopes near ridgeline. This recent snow sits over a widespread crust present on all slopes except high elevation, north facing terrain.

Below treeline terrain is snow free or has very low snow cover. Travel conditions are challenging with exposed rocks, stumps, and open creeks.

Check out this MIN report from Slalok for recent conditions and coverage.

Weather Summary

Sunday Night

Partly cloudy with flurries ending early evening. 20-30 km/h westerly winds. Freezing levels around 1000 m.

Monday

Mostly clear skies with 10-20 km/h east winds. Freezing levels rise to 2000 m. 10-20 km/h southeast winds. Treeline temperatures around +1 °C.

Tuesday

A mix of sun and cloud. Freezing levels remain around 2000 m. 20-30 km/h southwest winds. Treeline temperatures around +1 °C.

Wednesday

A mix of sun and cloud. Freezing levels drop to 1500 m. Treeline temperatures around -3 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Watch for newly formed and reactive wind slabs as you transition into wind affected terrain.
  • Keep in mind the crust offers an excellent bed surface for avalanches.
  • When a thick, melt-freeze surface crust is present, avalanche activity is unlikely.

Avalanche Problems

Wind Slabs

Wind slabs may be poorly bonded to the crust below. Approach ridgelines with caution.

Sun and rising temperatures may increase reactivity.

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

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 1.5