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Archived

Avalanche Forecast

Apr 22nd, 2024–Apr 23rd, 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
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
1: Low
The avalanche danger rating below treeline will be low

Assess steep lines for wind slabs before committing.

Winter conditions still exist on high north facing terrain.

Confidence

Moderate

Avalanche Summary

Several natural, explosive and skier triggered wind slab avalanches were reported on Sunday. These avalanches were in exposed terrain at treeline and above.

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

Snowpack Summary

On high north facing terrain up to 20 cm of dry snow may be found.  A new crust will likely be found on all other aspects and elevations. This crust will likely become moist throughout the day with rising temperatures and solar input.

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

Weather Summary

Monday Night

Clear skies. 10 to 30 km/h south alpine wind. Freezing level around 1400 m, possible above freezing layer around 2000 m.

Tuesday

A mix of sun and cloud. 15 to 35 km/h southeast alpine wind. Freezing level around 2200 m.

Wednesday

Mostly cloudy with up to 2 cm of new snow at higher elevations. 15 to 30 km/h southwest alpine wind. Freezing level around 1800 m.

Thursday

Cloudy with up to 10 cm of new snow at treeline and above. 10 to 20 km/h southwest alpine wind.  Freezing level around 1800 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Avoid freshly wind loaded terrain features.
  • Avoid sun exposed slopes, especially if snow surface is moist or wet.
  • Expect shallow snow cover that barely covers ground roughness.
  • When a thick, melt-freeze surface crust is present, avalanche activity is unlikely.

Avalanche Problems

Wind Slabs

Rider triggerable wind slab can still be found near ridge crests at higher elevations.

Aspects: North, North East, North West.

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 2