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Avalanche Forecast

Archived

Mar 30th, 2022–Mar 31st, 2022

Alpine
Natural avalanches unlikely.
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, human triggered possible.

Regions

South Coast.

A firm, supportive, upper snowpack makes avalanches unlikely. Steep slopes may be suspect if they are in the sun. Bring your crampons and ice axes.

Confidence

High - Confidence is due to a stable weather pattern with little change expected.

Weather Forecast

WEDNESDAY NIGHT: Partly cloudy. Very light snow/rain expected. Light northwest ridgetop wind. Freezing level falling to around 800m. 

THURSDAY: Mostly sunny at high elevations with low to mid level cloud. Very light snow/rain expected. Light northwest ridgetop wind. Freezing level rising to around 1200 m through the day.  

FRIDAY: Cloudy. 2-5 cm of snow expected at high elevations. Light to moderate southwest ridgetop wind. Freezing level around 1000 m.

SATURDAY: Mostly cloudy with a sunny break mid-day. Light variable ridgetop wind. Freezing level around 1100 m.

Avalanche Summary

No new avalanches were reported before 4 pm on Wednesday.

Avalanche activity is expected to be very minimal with cooler temperatures, a surface crust, and limited solar input.

If you are getting out in the backcountry, and have photos, conditions, avalanche observations, or even just funny stories to share, consider making a post on the Mountain Information Network.  

Snowpack Summary

A melt freeze crust likely exists from treeline to mountain top. 5cm of new snow may sit on the crust above 1000 m. The crust may break down as temperatures rise, and on south facing slopes during sunny periods.

The upper snowpack consists of hard, wind pressed surfaces and a series of crusts. 

The mid and lower snowpack are generally strong and well bonded.

Terrain and Travel

  • Make observations and assess conditions continually as you travel.
  • When a thick, melt-freeze surface crust is present, avalanche activity is unlikely.
  • As surface loses cohesion due to melting, loose wet avalanches become common in steeper terrain.
  • Use caution above cliffs and terrain traps where even small avalanches may have severe consequences.

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.