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Avalanche: Turnagain

Location: South Side of Tincan Proper

Date:
Observer:
Route & General Observations

Skinned up normal uptrack, booted along the ridge to tag the proper summit, and as we booted back down to the common bowl to ski, we noticed a point release on the sun-baked south side of the ridge. It was big enough to knock someone off their feet, maybe large enough to bury someone. We were surprised at this, as the rest of the southerly aspects that we were travelling through felt quite solid, and we saw no other obvious signs of instability.

Avalanche Details
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Trigger NaturalAvalanche Type Wet Loose Snow
Aspect SouthElevation 3400ft
Slope AngleunknownCrown Depthunknown
WidthunknownVertical Rununknown
Avalanche Details

I don't know the exact slope angle, but it was steep, probably 40-60 degrees. We also didn't see the exact trigger, to see if it was caused near exposed rocks to warm it, but that would make sense.

Red Flags
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Observer Comments

Didn't see anything besides this.

Weather & Snow Characteristics
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Weather

Sunny, 25-30 degrees, but felt super warm with the radiation. South wind 5mph. No new snow for more than a week.

Snow surface

hard wind crust, with pockets of sluff.

Snowpack

Performed an ECT on the north side of the ridge just above tincan common. Had to jump on it from above to get it to fail on the ground facets, for a slab ~3 feet thick.

Photos & Video
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