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Archived

Avalanche Forecast

Apr 21st, 2022–Apr 22nd, 2022
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
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: South Coast.

20-30 cm of new snow has formed fresh storm slabs at treeline and above. 

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

Confidence

Moderate - Uncertainty is due to the limited number of field observations.

Weather Forecast

Thursday night: Partly cloudy / Light southwest wind / Low of 1 / Freezing level 1100 m.

Friday: Mix of sun and cloud / Light west wind / High of 9 / Freezing level 1600 m.

Saturday: Mix of sun and cloud / Light southwest wind / High of 10 / Freezing level 1800 m.

Sunday: Cloudy / Moderate southeast wind / High of 10 / Freezing level 1700 m.

Avalanche Summary

No avalanches were reported in this region on Wednesday.

We currently have very limited avalanche observation data from this region.

Please consider posting your observations to the Mountain Information Network (MIN). Photos of current conditions and avalanches are the most helpful. 

Snowpack Summary

20-30 cm of new snow has formed fresh storm slabs at treeline and above. Lingering wind slabs that were formed earlier in the week may remain reactive in isolated locations at treeline and above.

The recent snow is sitting on a variety of hard snow surfaces, including crusts and wind scoured snow. 

Below this, there are several crusts in the upper snowpack that may have the potential to produce large avalanches during the next significant warming event.

Terrain and Travel

  • Start on smaller terrain features and gather information before committing to bigger terrain.
  • Be careful as you transition into wind affected terrain.
  • Back off slopes as the surface becomes moist or wet with rising temperatures.
  • Caution around slopes that are exposed to cornices overhead.

Avalanche Problems

Storm Slabs

20-30 cm of new snow has formed fresh storm slabs at treeline and above. 

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

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 2

Loose Wet

Expect a wet loose natural avalanche cycle to occur when the sun comes out.

Avoid big, steep, alpine slopes that are getting cooked by the sun.

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

Elevations: All elevations.

Likelihood: Likely - Very Likely

Expected Size: 1 - 1.5