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Avalanche Forecast

Archived

Mar 30th, 2024–Mar 31st, 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 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

South Coast, North Shore, Tetrahedron.

Warm temperatures and sunshine continue to great wet and slushy surface snow.

Minimize your exposure to sun exposed slopes - recent storm snow may slide easily on the crust below.

Confidence

High

Avalanche Summary

Avalanche activity increased on Friday with warmer temperatures than expected producing wet avalanche activity (photo below).

Wet avalanche activity is expected to continue as temperatures warm even further on Sunday and strong sunshine is expected.

Snowpack Summary

Around 30 cm of recent snowfall sits above a widespread crust. This snow is moist to wet from recent sunshine and warm temperatures and is settling rapidly. Wind effect can be found at higher elevations.

Reports indicated that the new snow is bonding well with the old snow surface. However Sundays warm temperatures and strong sunshine may weaken this bond and initiate avalanche activity.

At low elevations the snowpack is likely decreasing with each day of warm weather.

Weather Summary

Saturday Night

Clear skies. 30-50 km/h northerly ridgetop wind. Freezing level steady around 1600 m.

Sunday

Sunny. 30-50 km/h northwest ridgetop wind. Freezing level begins the day at 1600 m and rises to 3000 m by afternoon, bringing treeline temperatures to +12 °C.

Monday

Sunny with 50 km/h northwest winds. Freezing levels remain around 3000 m with treeline temperatures near +12 °C.

Tuesday

Sunny with 50 km/h southwest winds. Freezing levels remain around 3000 m with treeline temperatures near +12 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • A moist or wet snow surface, pinwheeling and natural avalanches are all indicators of a weakening snowpack.
  • Avoid sun exposed slopes when the solar radiation is strong, especially if snow is moist or wet

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.