Avalog
Register
Get forecast notifications
Create an account to receive email notifications when forecasts are published.
Register
Login
Archived

Avalanche Forecast

Apr 6th, 2012–Apr 7th, 2012
Alpine
3: Considerable
The avalanche danger rating in the alpine will be considerable
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
2: Moderate
The avalanche danger rating below treeline will be moderate
Alpine
3: Considerable
The avalanche danger rating in the alpine will be considerable
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
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
1: Low
The avalanche danger rating below treeline will be low

Regions: Kananaskis.

Lots of new snow is available for transport at higher elevations so keep an eye on the winds. Also, stability can rapidly deteriorate when the sun comes out so avoid solar aspects. Early starts and early finishes are a good idea.

Confidence

Good

Weather Forecast

Temps are forecast to remain below freezing over the next 24hrs. A broad ridge passing over the region on Saturday will give us a few convective flurries but snowfall amounts are not expected to be significant. Skies will be broken, but when the sun does come out, stability will rapidly deteriorate under the influence of the strong solar radiation. Use caution as you travel and watch your thermomotor.

Avalanche Summary

Numerous loose dry sluffs on all aspects up to size 1.5. Report late in the day of a sz 3 off of a SW aspect at Mt Tyrwitt. No details at this time. Later in the day, loose wet avalanches were being observed due to solar radiation on solar aspects.

Snowpack Summary

Storm snow continues to settle under the influences of mild temperatures. Winds remained calm, as a result, slab development in alpine terrain has been isolated to immediate lees and ridgelines. New snow sluffing easily on the April 2rd melt freeze crust down 20-40cm in the snowpack.

Avalanche Problems

Storm Slabs

Recent snow and warm temps are creating storm slabs in open terrain. Due to calm winds, these slabs are only being observed at ridgelines and along crossloaded terrain features but if winds increase, they will quickly grow and become more touchy.

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

Elevations: Alpine, Treeline.

Likelihood: Possible - Likely

Expected Size: 1 - 4

Loose Wet

Loose wet slides related to daytime warming are being observed on solar aspects. Pay close attention to terrain that is overhead as you travel.

Aspects: North, North East, East.

Elevations: Alpine, Treeline.

Likelihood: Likely

Expected Size: 1 - 3

Persistent Slabs

The February surface hoar is buried 120-150cm at treeline. This interface is still hard to trigger, but it has come back alive in recent cornice triggered avalanches. The spring transition could see more avalanches stepping down to this layer.

Aspects: All aspects.

Elevations: All elevations.

Likelihood: Possible

Expected Size: 2 - 6