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PROFESSIONAL OBSERVATION FORM
 Start Date: 01.22.19 Name: Davis Operation: SAC
 Drainage/Route:  Peak 2 Observed Terrain:  5,800-9,500' Zone/Region:  Soldier Mountains
WEATHER OBSERVATIONS
 HN24: HST: Sky: Precip: Temps:
 Ridgeline Wind: Moderate and Steady from the NW
 Blowing Snow: L Snow Available for Transport: Small amounts
 Comments: Partly cloudy for most of the day, felt warm in the sun on sheltered slopes but I observed no signs that the sun was weakening the snow surface.
AVALANCHE OBSERVATIONS
 No. Location Date Size Type Trigger Aspect Elevation Comments
 1 East of Smoky Dome Yesterday 2 SS N SE 9,800'
 3 Buttercup and Big Peak Within past week 2 N W Slabs near Buttercup and Big Peak. Look to be Persistent issues.
 Comments: Saw mostly D1-D2 wind slabs. Big Bowl above Soldier likely saw several thin wind slabs run throughout the last 48 hours.
SNOWPACK OBSERVATIONS
 HS: 110 cm on ESE @ 9,000' 
 Upper Pack: 16 cm, PP/DF, F 
 Middle Pack: 1F slab 
 Lower Pack: 30 cm of 4F/F+ FC with DH sz 3 mm at the base.  
AVALANCHE PROBLEM ASSESSMENT
Avalanche Characteristics
Character/Avalanche Problem:
Persistent Slab

Layer/Depth:
80-100 cm

Likelihood of Triggering
Sensitivity:
Stubborn

Spatial Distribution:
Widespread
Terrain
  Primary Concern Comments: Based on today's and previous obs from this same location this year.
 
Avalanche Characteristics
Character/Avalanche Problem:
Wind Slab

Layer/Depth:
Variable

Likelihood of Triggering
Sensitivity:
Not Observed

Spatial Distribution:
Specific
Terrain
  Problem 2 Comments: Fresh wind slab formed yesterday lee to north wind. Drifting also evident at low elevations along Soldier Creek.
STABILITY TESTS
 Stability Test Results: PST 37/100 END, CPST 30/100 Arr, ECTX on FC/DH down 80 cm.
OBVIOUS SIGNS OF INSTABILITY
 Marked with checkmark if observed:
 Cracking (isolated) Depth: 10-30 cm  
 Comments: Cracks in fresh wind skin/slab along ridgeline of Peak 2.
SNOW STABILITY
 Snow Stability Rating for your observed area: Good Confidence: LOW Trend: Steady
BOTTOM LINE
 Comments: Peak 2 area has the same weak snow at the ground we've been seeing in many areas. This layer was quite thick but a little stronger (4F) than most places I've dug lately.
FILE ATTACHMENTS

190122_Peak2_Slabs.jpg
Smokys slabs toward Big Peak.

190122_Peak2_Slabs1.jpg
Smokys slabs toward Buttercup. Some in shadows on the right as well.

190122_Peak2_WindSlab.jpg
Wind slab east of Smoky Dome in the Soldiers.

190122_Peak2_WxStation.jpg
Weather station icing.