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Archived

Avalanche Forecast

Apr 9th, 2015–Apr 10th, 2015
Alpine
Below Threshold
The avalanche danger rating in the alpine will be below threshold
Treeline
Below Threshold
The avalanche danger rating at treeline will be below threshold
Below Treeline
Below Threshold
The avalanche danger rating below treeline will be below threshold
Alpine
Below Threshold
The avalanche danger rating in the alpine will be below threshold
Treeline
Below Threshold
The avalanche danger rating at treeline will be below threshold
Below Treeline
Below Threshold
The avalanche danger rating below treeline will be below threshold
Alpine
Below Threshold
The avalanche danger rating in the alpine will be below threshold
Treeline
Below Threshold
The avalanche danger rating at treeline will be below threshold
Below Treeline
Below Threshold
The avalanche danger rating below treeline will be below threshold

Regions: Banff Yoho Kootenay.

Watch for daytime heating, especially adjacent to rocky areas. Expect new windslabs to develop in the alpine Friday and Saturday.

Weather Forecast

Cloudy and windier Friday. Saturday's forecast is for moderate precipitation and more wind.  Windslabs can be expected to develop in the alpine.

Snowpack Summary

On north aspects, 15-20 of loose facets overlies strong melt-freeze crusts up to 2300m. All other aspects have sun crust in the morning and moist snow in the afternoon, also overlying a strong melt-freeze crust just below the surface. This buried crust provides a bridge over the facets which continue to remain dormant at the base of the snowpack.

Avalanche Summary

No new avalanches reported.

Confidence

Avalanche Problems

Loose Wet

East, south and west facing slopes will all become effected by strong solar radiation, resulting in morning crust and wet snow in the afternoon. Watch for wet avalanches in gullies and other steep terrain feature starting mid-day.
Cornices become weak with daytime heating. Avoid sun exposed slopes when the solar radiation is strong, especially if snow is moist or wet.

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

Elevations: All elevations.

Likelihood: Possible

Expected Size: 1 - 2