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Avalanche Forecast

Mar 19th, 2020–Mar 22nd, 2020
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: Waterton Lakes.

The big player is the sun right now. Solar input will weaken surface snow and cornices. The odd isolated windslab likely exists in the alpine.

Weather Forecast

Friday: Sun and cloud, with freezing level rising to 1800m. Light west winds

Saturday: Cloudy with sunny periods. freezing level 1700m. Keght west winds with the occasional stronger gust.

Sunday: Mix of sun and cloud with southwest winds increasing through the day

Snowpack Summary

5cm of recent snow distributed by L NE winds overlies a thick MFcr on solar aspects. North Faces are generally wind affected from previous strong northwest through northeast winds. The midpack is strong and well settled, though basal weaknesses exist in thinner snowpack areas.

Avalanche Summary

Several natural size 1- 1.5 thin slab and dry loose avalanches were observed on steep slopes as the sun came out on Thursday, and ran surprisingly far on a melt freeze crust.

Confidence

The weather pattern is stable

Avalanche Problems

Loose Wet

Strong spring sun paired with rising freezing levels will produce loose avalanches. Start the day early and be mindful of what is above you.

  • Avoid slopes when the solar radiation is strong, especially if they have large cornices overhead.

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

Elevations: All elevations.

Likelihood: Likely

Expected Size: 1 - 1.5