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PROFESSIONAL OBSERVATION FORM
 Start Date: 02.11.18 Name: VandenBos Operation: SAC
 Drainage/Route:  Southern Sawtooths Observed Terrain:   Zone/Region:  Sawtooth Mountains
WEATHER OBSERVATIONS
 HN24: HST: Sky: Precip: Temps:
 Ridgeline Wind: Light from the Variable
 Blowing Snow: Snow Available for Transport:
AVALANCHE OBSERVATIONS
 No. Location Date Size Type Trigger Aspect Elevation Comments
 2 Within past week HS N N 8,000-8,500' Hard wind slabs on the E shoulder of Parks and off NE arm of McDonald
SNOWPACK OBSERVATIONS
 HS: 2m snowpack depth, pretty consistent around the compass 
 Upper Pack:  
 Middle Pack:  
 Lower Pack:  
AVALANCHE PROBLEM ASSESSMENT
Avalanche Characteristics
Character/Avalanche Problem:
Deep Persistent Slab

Layer/Depth:
1m

Likelihood of Triggering
Sensitivity:
Unreactive

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

Layer/Depth:


Likelihood of Triggering
Sensitivity:
Unreactive

Spatial Distribution:

Terrain
  Problem 2 Comments: 
STABILITY TESTS
 Stability Test Results: ECTP 25-30 down 1m (5 tests) on both solar and shady aspects, single ECTX (solar), PST 40-50/100 (end) on shady aspects, PST 50-60/100 (end/arr) on solar aspects.
SNOW STABILITY
 Snow Stability Rating for your observed area: Good Confidence: Trend: