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SIMPLE OBSERVATION FORM
 Date: 02.17.19
 Location:  Near Stanley Lake Turn Off, on Highway 21, Cow Camp Road Zone/Region:  Sawtooth Mountains
 Activity:   Snowmobiling
AVALANCHES TRIGGERED
 Was it intentional?  no
 What type of avalanches?   Soft Slab
 What size?
 Size 1: Relatively harmless to people
 Size 2: Could bury, injure, or kill a person
 What Aspect?   NW
AVALANCHE OBSERVATIONS
 How Many?  2
 Trigger:   Human Triggered, Unknown
 What type of avalanches?   Soft Slab
 What size?
 Size 1: Relatively harmless to people
 Size 2: Could bury, injure, or kill a person
 What Aspect?   NW
 Comments: About 100 yards wide, about a 1ft to 1.5’ deep at the crack
OBVIOUS SIGNS OF INSTABILITY
 Marked with checkmark if observed:
     Collapsing (isolated)  
MESSAGE
 Comments: This area has been known to slide before, but was a little wider than We have seen. Second avalanche went off a couple hundred yards away at the same time. rider did a small turn at base of slope seconds after he rode away it slid, unknown if rider actually set it off or bad timing.
FILE ATTACHMENTS

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Second avalanche

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