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PROFESSIONAL OBSERVATION FORM
 Start Date: 12.03.17 Name: VandenBos Operation: SAC
 Drainage/Route:  Galena Peak Observed Terrain:  7,300-10,600' Zone/Region:  Smoky & Boulder Mountains
WEATHER OBSERVATIONS
 HN24: 40cm HST: Sky: X Precip: S3 Temps:
 Ridgeline Wind: Moderate and Intermittent from the Variable
 Blowing Snow: M Snow Available for Transport: Large amounts
 Comments: Drove out during brief clearing of skies(~1330). Snowfall started again in earnest at 1430 (to S3 max). Winds were swapping around between SW and NW.
AVALANCHE OBSERVATIONS
None Reported
 Comments: Observed some debris on the south face of Boulder Peak as the skies cleared briefly on the drive up. Could not see crown.
AVALANCHE PROBLEM ASSESSMENT
Avalanche Characteristics
Character/Avalanche Problem:
Wind Slab

Layer/Depth:
30-60cm

Likelihood of Triggering
Sensitivity:
Stubborn

Spatial Distribution:

Terrain
  Primary Concern Comments: Wind slabs at ridgelines and along exposed terrain features. Sensitivity was hovering in the hazy middle ground between stubborn and touchy.
STABILITY TESTS
 Stability Test Results:
OBVIOUS SIGNS OF INSTABILITY
 Marked with checkmark if observed:
 Cracking (isolated) Depth: 30-60cm  
 Comments: Isolated cracking in freshly formed wind slabs.
SNOW STABILITY
 Snow Stability Rating for your observed area: Confidence: Trend:
FILE ATTACHMENTS

DSC_0095-002.JPG
Boulder Peak debris