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PROFESSIONAL OBSERVATION FORM
 Start Date: 03.04.18 Name: VandenBos Operation: SAC
 Drainage/Route:  Fishhook Observed Terrain:   Zone/Region:  Sawtooth Mountains
WEATHER OBSERVATIONS
 HN24: HST: Sky: Precip: Temps:
 Ridgeline Wind:
 Blowing Snow: Snow Available for Transport:
 Comments: Some sun in the morning, enough to give the SE quarter of the compass a light sunburn. Clouds rolling in and out starting shortly before noon, providing for alternating periods of snow and sun. Total daytime accumulation of ~2cm.
AVALANCHE OBSERVATIONS
None Reported
SNOWPACK OBSERVATIONS
 HS: 210cm on SE @ 7,800'.  
 Upper Pack: 1cm MCcf (formed 3/5) on 30cm PP on 1-2cm MFcr on 35cm PP/DF (3/1) on 15cm stack of MFcr and FC (2/14) 
 Middle Pack:  
 Lower Pack:  
AVALANCHE PROBLEM ASSESSMENT
Avalanche Characteristics
Character/Avalanche Problem:
Wind Slab

Layer/Depth:


Likelihood of Triggering
Sensitivity:
Stubborn

Spatial Distribution:

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

Layer/Depth:


Likelihood of Triggering
Sensitivity:
Unreactive

Spatial Distribution:

Terrain
  Problem 2 Comments: 2/14 is present but unreactive
STABILITY TESTS
 Stability Test Results: ECTN 14 and 17, both down 30cm on 3/1 interface. PSTs in the 90s on 2/14 (down 65-80cm) and 3/1 (down 30cm).
OBVIOUS SIGNS OF INSTABILITY
 Marked with checkmark if observed:
 Cracking (isolated)    
 Comments: Very isolated cracking extending for less than 30cm from skis
SNOW STABILITY
 Snow Stability Rating for your observed area: Confidence: Trend: