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PROFESSIONAL OBSERVATION FORM
 Start Date: 01.06.18 Name: VandenBos, Wieland Operation: SAC
 Drainage/Route:  Imogene Observed Terrain:   Zone/Region:  Sawtooth Mountains
WEATHER OBSERVATIONS
 HN24: HST: 8-10cm Sky: VAR Precip: Temps:
 Ridgeline Wind: Light
 Blowing Snow: L Snow Available for Transport: Small amounts
 Comments: Warm and wet down low in the morning, looks like it had mostly rained at the highway on the Stanley side. Skies cleared throughout the day leaving some scraps of clouds hanging over the mountains in the late afternoon.
AVALANCHE OBSERVATIONS
None Reported
SNOWPACK OBSERVATIONS
 HS: 107cm @ 8,600'. 
 Upper Pack: 30cm settled slab with significant melt-freeze crust from the past few days on top which spans at least 180ยบ on the south half of the compass (our new interface, 1/6) . All overlain by 8cm fresh overnight. Fresh snow is already getting a sun burn and will be our next interface to keep track of once buried on Wednesday (?). 12/19 remains our primary concern.  
 Middle Pack: ~6cms of Thanksgiving crust facet funk, overlain by 17cms of advanced near surface facets that were buried 12/19. 
 Lower Pack:  
AVALANCHE PROBLEM ASSESSMENT
Avalanche Characteristics
Character/Avalanche Problem:
Persistent Slab

Layer/Depth:


Likelihood of Triggering
Sensitivity:


Spatial Distribution:

Terrain
  Primary Concern Comments: 
STABILITY TESTS
 Stability Test Results: ECTP17 down 39cm. PST34/100 END down 39cm.
OBVIOUS SIGNS OF INSTABILITY
 Marked with checkmark if observed:
 Cracking (isolated)    
SNOW STABILITY
 Snow Stability Rating for your observed area: Confidence: Trend: