Avalanche

High Mtn Heli: Snake River Range

John WautersSnake River Range
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Observation photo 1Observation photo 2

Quick report

Avalanche activity from the Feb 24-25th storm cycle. 

Widespread natural activity previous 24-48 hours. Both storm and persistent slabs all aspects. PWL favors N, E. D1-D3, R1-R3.  ~100 avalanches observed.  Observed 2 snowmobile triggered avalanches (HS-AM-R1-2, D1-2, O down 80cm triggered 2/26.  One avalanche released remote to the explosive placement.

Observer investigated a sled triggered avalanche, also trigger multiple avalanches, one remotely, AX. Dug snowpits and gathered photos of around 100 avalanches. See attached photos.

Weather

Air Temp
23-27
Cloud Cover
few

West 15-20 G25

Avalanche

Size
D2 R3
Type
HS
Count
3
Aspect
NE
Trigger
N
Elevation
9600 ft