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Avalanche Forecast

Archived

Mar 9th, 2015–Mar 10th, 2015

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

Little Yoho.

Warm temperatures forecast for this week should be pause for thought after such a long spell of low danger. Areas such as south facing gullies should be avoided this week, as slush and rockfall can be expected. Valley bottoms may become isothermal.

Weather Forecast

Looks like a warm week ahead as a warm, westerly flow runs across the region. Tuesday looks like a mostly sunny day with freezing levels reaching 2000m and alpine winds remaining strong from the west. Looks like some precipitation coming for Thursday (up to 10 cm).

Snowpack Summary

Despite the warm temperatures, strong winds above treeline today kept the snow surface cool in all but the most sheltered areas. The snowpack remains solid, with the exception of isolated steep, south facing slopes below 1900m where solar triggered wet avalanches can be expected in the afternoon.

Avalanche Summary

No new avalanches reported or observed today.

Confidence

Timing or intensity of solar radiation is uncertain

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.