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PROFESSIONAL OBSERVATION FORM
 Start Date: 03.24.18 Name: VandenBos Operation: SAC
 Drainage/Route:  Eagle Creek Observed Terrain:  6,200-9,100 Zone/Region:  Wood River Valley
WEATHER OBSERVATIONS
 HN24: HST: Sky: Precip: Temps:
 Ridgeline Wind: Light and Intermittent from the SW
 Blowing Snow: Snow Available for Transport:
AVALANCHE OBSERVATIONS
None Reported
 Comments: Many. See photos.
SNOWPACK OBSERVATIONS
 HS:  
 Upper Pack: Rain crust pretty obvious to 8,000', tough to detect but preset to nearly 8,500'.  
 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:


Spatial Distribution:

Terrain
  Problem 2 Comments: Not sure why the pizza slice is missing from the S aspect on the rose, painted it to wrap around the compass.
STABILITY TESTS
 Stability Test Results:
SNOW STABILITY
 Snow Stability Rating for your observed area: Confidence: Trend:
FILE ATTACHMENTS

180324_LakeCreekSlabs_BV.JPG
Lake Creek Slabs.

180324_SpringCherryCorniceDeep.JPG
Cornice-triggered (deep) slab on Spring/Cherry divide.

180324_GalenaSlabs_BV.JPG
Galena Peak SW Bowl slabs.

180324_GalenaNWSlabs.JPG
Galena Peak NW Bowl slabs.

180324_TitusCorniceDeep_BV.JPG
Cornice triggered deep slab on ridge that runs east from first bump.

180324_DuncanRidgeSlabs_BV.JPG
Duncan Ridge wind slabs. Nice persistent slab hidden in foreground on lower right in trees.

180324_LakePersistentCobbCrown_BV.JPG
Lake Creek persistent slab crown with older crown just slightly visible heading out lookers right. Nice slab in background below north face of Cobb.

180324_GreysPeakSlabs_BV.JPG
Greys Peak slabs.

180324_LakeCreekWetDebris_BV.JPG
Debris below Lake Creek headwall, looks to have run to the bottom of the drainage.

180324_RainSweetRain_BV.JPG
Sweet, sweet rain crust. Anyone can make powder skiing look good...