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PROFESSIONAL OBSERVATION FORM
 Start Date: 03.09.17 Name: Wieland, VandenBos Operation: SAC
 Drainage/Route:  Point W of Baker Lake Observed Terrain:  6700-10100 Zone/Region:  Smoky & Boulder Mountains
WEATHER OBSERVATIONS
 HN24: 5-10cm HST: Sky: X Precip: Temps:
 Ridgeline Wind: Light from the W
 Blowing Snow: None Snow Available for Transport: Small amounts
 Comments: Very little transport occurred except near ridgetop @ 10000. Generally calm wind until 10000.
AVALANCHE OBSERVATIONS
 No. Location Date Size Type Trigger Aspect Elevation Comments
 2 Pt 9288 1 N N 9200
 1 Baker Lake Today 1.5 SS AC NE 9600 Could only see crown which was down into chute but looked to be ~8" thick and maybe 150'.
 Several Hwy 75 by H 1 WL N 6100 Small slides with 1 barely spilling over road cut bank by Hulen. Several fresh ones near the old larger ones by the Hwy boneyard just north of Greenhorn.
SNOWPACK OBSERVATIONS
 HS:  
 Upper Pack: 39cm over firm crust on E @8900. top 10cm moist and dry below that. 
 Middle Pack: n/o 
 Lower Pack: n/o 
AVALANCHE PROBLEM ASSESSMENT
Avalanche Characteristics
Character/Avalanche Problem:
Storm Slab

Layer/Depth:


Likelihood of Triggering
Sensitivity:
Stubborn

Spatial Distribution:
Widespread
Terrain
  Primary Concern Comments: Cornice triggered slab lower down into slide path. A couple not that great ski cuts at the top didn't produce any cracking though.
 
Avalanche Characteristics
Character/Avalanche Problem:
Wind Slab

Layer/Depth:


Likelihood of Triggering
Sensitivity:


Spatial Distribution:

Terrain
  Problem 2 Comments: Didn't encounter any wind slab concerns. Cornices near ridge were minimal with no fresh growth observed.
 
Avalanche Characteristics
Character/Avalanche Problem:
Loose Wet

Layer/Depth:


Likelihood of Triggering
Sensitivity:


Spatial Distribution:

Terrain
  Problem 3 Comments: Lots of rollerballs but no naturals observed at mid and lower elevations heading up Baker drainage.
STABILITY TESTS
 Stability Test Results:
SNOW STABILITY
 Snow Stability Rating for your observed area: Confidence: Trend: