Avalanche: Turnagain

Location: Meadows below Todd's Run

Route & General Observations

Toured from common Tincan pullout @ 9:30am and followed common uptrack, then went around to the north to a meadow under Todd’s Run to dig full profile pits. Observed a natural release in the NW facing bowl while digging pits.

Avalanche Details
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Trigger NaturalRemote Trigger No
Avalanche Type UnknownAspect Northwest
Elevation 3000ftSlope Angleunknown
Crown DepthunknownWidthunknown
Vertical Run 500ft  
Avalanche Details

While in the meadows, we looked up to the bowl and saw an avalanche that was currently sliding. Looked to have released under a cornice, no cornice debris was seen. Debris moved slow and looked/acted more like a dry loose, yet was on an actively loaded slope where a wind slab problem would be suspected.

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

Avalanche on Todd's, otherwise no observed whumping or shooting cracks. When on a wind loaded feature near the road, wind slabs broke off underfoot and slid downhill.

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

At car @ 9:45am
Elevation: 1,012'
Wind: Light, gusting Moderate from the NW
Sky: Few-Scattered
Temp: 17°F
Precip: None Observed
@ 11:23am
Elevation: 1,564'
Wind: Direction changed, throughout rest of day winds were coming from the SE, Light gusting Moderate
Sky: Few
Temp: ~17°F
Precip: None Observed
- Wind transport was observed at ridgelines with some intermittent flagging, evidence of recent and active wind affect seen at and below tree line in more open sections. Throughout the afternoon, the sun got stronger and more intense, by ~4pm south facing sidewalls of the skin track and steep southern aspects started to show signs of warming from the sun.

Snow surface

Observed a widespread, very thin rime crust on surface; otherwise there was a soft windslab found anywhere there were openings in the trees.


Pit Profile and results below,
CT15 Q2PC (didn't really pop until tap 21) @ 29cm down
Two additional failures happened on overdrive +1 @ 35cm and 43cm down
PST on interface 29cm down, no result

Photos & Video
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