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PROFESSIONAL OBSERVATION FORM
 Start Date: 12.20.16 End Date: 12.20.16 Name: Savage Operation: SAC
 Drainage/Route:  Baldy OB Observed Terrain:  upper elevation shady Zone/Region:  Wood River Valley
WEATHER OBSERVATIONS
 HN24: 6cm HST: 6cm Sky: X Precip: S1 Temps: -3C
 Ridgeline Wind: Light and Gusty from the SW
 Blowing Snow: M Snow Available for Transport: Large amounts
AVALANCHE OBSERVATIONS
 No. Location Date Size Type Trigger Aspect Elevation Comments
SNOWPACK OBSERVATIONS
 HS: 50cm, see pit/photo 
 Upper Pack:  
 Middle Pack:  
 Lower Pack:  
AVALANCHE PROBLEM ASSESSMENT
Avalanche Characteristics
Character/Avalanche Problem:
Persistent Slab

Layer/Depth:
45-50cm deep

Likelihood of Triggering
Sensitivity:
Not Observed

Spatial Distribution:
Widespread
Terrain
  Primary Concern Comments: 
 
Avalanche Characteristics
Character/Avalanche Problem:
Persistent Slab

Layer/Depth:
5-10cm deep

Likelihood of Triggering
Sensitivity:
Touchy

Spatial Distribution:
Widespread
Terrain
  Problem 2 Comments: FCns getting buried will be a problem where they get loaded
STABILITY TESTS
 Stability Test Results: CTVE, isolation, SC, 2cm: ECTP11, SC, 2cm: PST end 12/100, SC, 2cm
OBVIOUS SIGNS OF INSTABILITY
 Marked with checkmark if observed:
 Cracking (isolated)   Length: 2-3m
SNOW STABILITY
 Snow Stability Rating for your observed area: Confidence: LOW Trend: Worsening
 Comments (aspects and elevations of instability, etc): Shady upper elevation terrain near Baldy.
BOTTOM LINE
 Comments: Not much of a slab yet in this area but structure is terrible. Could lull you to sleep where no slab exists and then catch you where a stiffer slab does exist and could fracture/fail.
FILE ATTACHMENTS

2016Dec20_BaldyOB_labeledpit_SS.jpg
Quickly labeled pit photo

2016Dec20_BaldyOB_9000ftN_SS.jpg
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