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Archived

Avalanche Forecast

May 7th, 2014–May 8th, 2014
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
2: Moderate
The avalanche danger rating below treeline will be moderate
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: Little Yoho.

Pay attention to how quickly the day is warming up and how good the overnight freeze is. Start and finish your days early.

Weather Forecast

Mixed sun and cloud with freezing levels around 2500 m for Thursday. Friday and Saturday forecasted for flurries and freezing levels around 2100 m.

Snowpack Summary

In the alpine there is 5 -10 cm of low density new snow overtop of the previous 40-60 cm of storm snow from last week.  All aspects except true north are seeing the effects of solar heating with sun crusts forming to ridgetops. On north aspects the storm snow is bonding well to previous surfaces and is dry above 2000 m.

Avalanche Summary

Solar related loose snow avalanches up to Class 2.

Confidence

Freezing levels are uncertain

Avalanche Problems

Loose Wet

A sunny day with high freezing levels is forecasted for Thursday. Expect solar related avalanches as the day warms up.

  • Avoid sun exposed slopes when the solar radiation is strong, especially if snow is moist or wet.

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

Elevations: All elevations.

Likelihood: Likely

Expected Size: 1 - 2

Deep Persistent Slabs

Pay attention to shallow snowpack areas, as this is the most likely place to trigger this deeper instability.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Unlikely - Possible

Expected Size: 1 - 3