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Avalanche Forecast

Archived

Mar 30th, 2024–Mar 31st, 2024

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

Regions

Vancouver Island, East Island, North Island, South Island, West Island.

Warming can rapidly destabilize the snowpack. Back of slopes when the snow gets moist and give cornices a lot of space.

Confidence

High

Avalanche Summary

Evidence of slab development in the fresh storm snow was reported Thursday, and yesterday (Friday) solar warming triggered an avalanche, included in this MIN.

Snowpack Summary

Up to 25 cm of dry snow may persist on shady, high-elevation slopes. In most areas, a widespread crust caps the snowpack, this crust will soften quickly under the sun and with daytime warming.

Wet surface snow or an isothermal snowpack may be found as temperatures rise. The mid and lower snowpack is generally settled and strong. At lower elevations, spring is quickly approaching.

Weather Summary

Saturday Night

Mostly clear with patchy cloud. Northwest ridgetop wind gusting to 50 km/h. Treeline temperature low 0 °C. Freezing level near 1500 m.

Sunday

Sunny. Northwest ridgetop wind 20-40 km/h. Treeline temperature high +8 °C. Freezing level rising above 2500 m.

Monday

Partly cloudy and clearing. Northwest ridgetop wind 30-50 km/h. Treeline temperature +9 °C. Freezing level up to 3000 m.

Tuesday

Cloudy with flurries, up to 5 mm. Southwest ridgetop wind 20-40 km/h. Treeline temperature +4 °C. Freezing level falling.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • The more the snow feels like a slurpy, the more likely loose wet avalanches will become.
  • Pay attention to cornices and give them a wide berth when traveling on or below ridges.
  • A moist or wet snow surface, pinwheeling and natural avalanches are all indicators of a weakening snowpack.

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.