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Observations

Region: Turnagain
Location: Road Obs and Tincan avalanches
Observer:
Date:

Route & General Observations

Two remotely triggered avalanches on Tincan today around 2:15pm, on┬áSouth and North aspects of CFR ridge. No one was caught. I spoke with a group in the parking area who said they had experienced collapsing, especially when all three of them were grouped together. They didn’t witness the slide, but submitted first photo below.

Update: another group in the area reported they heard the large collapse and witnessed the avalanche occur.

Visibility was good in Turnagain Pass and was able to get eyes on road side mountains. Sunburst SW face, as reported by a party on Dec.4, avalanched mid-storm. Pete’s South looked suspect of natural mid storm avalanche, but couldn’t confirm. Debris was not obvious. Seattle Ridge SE face was wind loaded with lots of cross loaded gullies. No obvious avalanches post storm.

Avalanche Details

Avalanche details

Trigger SkierAvalanche Type UnknownAspect North
Elevation 2700ftSlope AngleunknownCrown Depthunknown
WidthunknownLengthunknown  

Observer Comments

Two remote triggered avalanches on Tincan, both N. and S. aspects of CFR ridge. Northern avalanche was shallow but propagated pretty far. Southern avalanche was much deeper and in a wind loaded area.

Red Flags

Obvious signs of instability

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

Observer Comments

Human triggered avalanches (D2's)
Whumphing

Weather

Weather

Clear
Light to calm ridge top winds
Temps cooled throughout the day (from 30F at 10am to 19F at 3pm)
No precip

Photos & Video

Photos



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