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Observation: Turnagain

Location: Sunburst

Date:
Observer:
Route & General Observations

Standard Sunburst uptrack, skied the front (west) side.

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?Yes
Collapsing (Whumphing)?No
Cracking (Shooting cracks)?No
Observer Comments

There was a recent avalanche in one of the north chute of Magnum, furthest to the west. The crown was maybe 2' x 100'? Debris ran to the creek.

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

Squally. There was little wind until about 1:00PM when it began blowing S, 15-20. Lots of snow was being transported. The skin track was filling in between parties.

Snow surface

6"-8" of soft snow on increasingly firmer snow. Wind slabs forming in the afternoon.

Snowpack

We dug a pit on the south face of Sunburst, just below the knoll where you stop to ski the front (west) side, at an elevation of
~3000'.
Slope angle was 21 degrees.
Height of snow - 155cm.
12/23 BSH was clearly visible at 45cm, as a ~5mm layer.
Snow was right side up for the first 65cm, but transitioned to sugary, faceted snow blow that.
ECTP 17, down 45cm (surface hoar)
PST 45/100 END, down 65cm on surface hoar.