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Observation: Summit

Location: Manitoba

Date:
Observer:
Route & General Observations

Tour up to Manitoba.
Supersaturated snow below treeline. Wet and heavy.
Wind from the East showed a lot of W aspect pockets of powder and pillows wind loaded. Sastrugi up in higher elevations.
A lot of Whumpfing along the opening of skin track around treeline.

Red Flags
Red flags are simple visual clues that are a sign of potential avalanche danger. Please record any sign of red flags below.
Obvious signs of instability
Recent Avalanches?No
Collapsing (Whumphing)?Yes
Cracking (Shooting cracks)?No
Observer Comments

Localized wind slabs in microfeatures on W aspects.

Weather & Snow Characteristics
Please provide details to help us determine the weather and snowpack during the time this observation took place.
Weather

Broken sky, light winds from the E, Snow transportation. No Precipitation at the beginning. Flurries on the ski out.
Sunny at times, then low visibility and winds.

Snow surface

Localized pockets of powder, mostly wind loaded. Sastrugi in some parts and wind affected surface.
PF=25 cm

Snowpack

Pit at 3500
W (250º) aspect
SA=29º
PF=25 cm / PS =N/O
HS=300 cms.

CT12 @ 45 below surface. On a BSH ~ 4mm. SP/Q1.
ECTN16 @ 65 cms below surface. Grain= N/O. Q3.

Photos & Video
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