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Avalanche Forecast

Archived

Apr 13th, 2023–Apr 16th, 2023

Alpine
Natural avalanches unlikely.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely, human triggered possible.
Below Treeline
Natural avalanches unlikely, human triggered possible.
Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely, human triggered possible.
Below Treeline
Natural avalanches unlikely, human triggered possible.

Regions

Waterton Lakes, Waterton.

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.

Problems

Loose Wet

Loose Wet avalanches are the release of wet unconsolidated snow or slush. These avalanches typically occur within layers of wet snow near the surface of the snowpack, but they may quickly gouge into lower snowpack layers. Like Loose Dry Avalanches, they start at a point and entrain snow as they move downhill, forming a fan-shaped avalanche. Other names for loose-wet avalanches include point-release avalanches or sluffs. Loose Wet avalanches can trigger slab avalanches that break into deeper snow layers.