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Archived

Avalanche Forecast

Apr 13th, 2023–Apr 16th, 2023
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
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
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
2: Moderate
The avalanche danger rating below treeline will be moderate

Regions: Waterton, Waterton Lakes.

Watch for changing conditions during the day with periods of strong sun and potential bursts of snowfall.

Confidence

Moderate

Avalanche Summary

No new avalanches observed or reported in the past few days.

On Monday numerous wet loose avalanches up to size 2.5 were observed from steep terrain and on all aspects.

Snowpack Summary

In the alpine and high treeline, 5-10 cm of snow sits over a new melt freeze crust with moist snow below from the rain event earlier in the week. The January melt freeze crust is buried 60-100cm. Alpine and Treeline midpack is well settled and overlies basal facets and depth hoar.

Weather Summary

Friday

Mix of sun and cloud with flurries possible. Alpine high of -2°C, light ridgetop winds.

Saturday

Mix of sun and cloud, alpine high of 0°C. Light to moderate SW winds.

Sunday

Mostly cloudy with scattered flurries, alpine high of +2°C. Moderate SW winds.

Terrain and Travel Advice

  • Minimize exposure to sun-exposed slopes when the solar radiation is strong.

Avalanche Problems

Loose Wet

Brief periods of direct sun can rapidly warm the surface snow at this time of year, be alert to changing conditions with sun exposure.

Aspects: South East, South, South West.

Elevations: All elevations.

Likelihood: Possible

Expected Size: 1 - 1.5