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Observations

Region: Summit
Location: Manitoba
Observer:
Date:

Route & General Observations

When we started from the top of Manitoba, one skier skied a little bit on the left and triggered the’ summit lens’ in the lowest right part.
All the upper part SW face collapsed.
the height of the slab was in the middle of the lens 2 feet, 30 inch in the borders where it has been triggered.
No one have been injuried.
Snowpack is very active above treeline where the activity of wind have been stornger

Avalanche Details

Avalanche details

Trigger SkierAvalanche Type Hard SlabAspect South Southwest
Elevation 3700ftSlope Angle 30degCrown Depth 24in
Width 150ftLength 1000ft  

Observer Comments

Hard slab located 2 feet deep in the snow. Upper part heavy snow and compressed by the wind action. 150feet wide and 1000feet the lenght of fall

Red Flags

Obvious signs of instability

Recent Avalanches?YesCollapsing (Whumphing)?YesCracking (Shooting cracks)?No

Weather

Weather

20 inch of fresh snow, light breeze on top, 32°

Snow Characteristics

Snow surface

20'' Of fresh snow, wet in the lower part of manitoba

Snowpack

No test, no ect,

Photos & Video

Photos



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