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Avalanche Forecast

Archived

Apr 25th, 2019–Apr 26th, 2019

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

Regions

Kootenay Boundary.

Any appearance of the strong April sun can initiate a loose wet avalanche cycle. The likelihood of loose wet avalanches increases as temperatures warm through the day and/or if the sun comes out for a prolonged period of time.

Confidence

Low - Due to the number of field observations

Weather Forecast

THURSDAY NIGHT: Cloudy / Light, southwesterly winds / Alpine low -2 C / Freezing level 1700 m.

FRIDAY: Cloudy with isolated alpine flurries; 0-5 cm. / Light, northwesterly winds / Alpine high 3 C / Freezing level 2000 m.

SATURDAY: Cloudy with alpine flurries; 3-10 cm. / Moderate, westerly winds / Alpine high -1 C / Freezing level 1700 m.

SUNDAY: Mix of sun and cloud / Light, northeasterly winds / Alpine high -1 C / Freezing level 1600 m.

Avalanche Summary

No new avalanches were reported in this region on Wednesday. However, there are currently no professional observers submitting daily observations. Please submit your observations to the MIN. Photos of avalanches or current conditions are particularly useful.

Snowpack Summary

As temperatures cool, we will enter a diurnal cycle during which the hazard will be low in the mornings, if there was a strong overnight freeze, and elevate throughout the day depending on warming and solar radiation. Hazard ratings are for the peak hazard expected during each day.

Check out this link for useful advice on managing avalanche hazard during spring conditions. HERE.

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.