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Avalanche Forecast

Archived

Mar 31st, 2024–Apr 1st, 2024

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

Regions

South Coast, North Shore, Tetrahedron.

Warm temperatures and sunshine continue to create slushy surface snow and potential for heavy, wet avalanches.

Confidence

High

Avalanche Summary

Small loose wet avalanche activity was reported on Friday and Saturday. We are still awaiting observations but expect that wet avalanche activity intensified during the rapid warming period on Sunday afternoon.

Snowpack Summary

Around 30 cm of recent snow is becoming moist or wet in the warm temperatures and sunshine. It is reportedly bonding well to an underlying crust. Dry and even wind affected snow may be found on shady aspects in the alpine.

At low elevations the snowpack is melting out with each day of warm weather.

Weather Summary

Sunday night

Partly cloudy. 50 to 60 km/h northwest ridgetop wind. Freezing level 3000 m. Treeline temperature +3 °C.

Monday

Mostly sunny. 40 km/h northwest ridgetop wind. Freezing level 2700 m. Treeline temperature +10 °C.

Tuesday

Mostly cloudy with snowfall starting late afternoon, 5-10 cm. 50 to 60 km/h southwest winds. Freezing level 2500 m. Treeline temperature +8 °C.

Wednesday

Overnight freezing level drops below 1000 m. 15 to 25 cm of new snow overnight, then flurries bringing around 10 cm through the day. 30 to 40 km/h southwest wind. Treeline temperature -2 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Avoid sun exposed slopes when the solar radiation is strong, especially if snow is moist or wet
  • The more the snow feels like a slurpy, the more likely loose wet avalanches will become.

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.