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PROFESSIONAL OBSERVATION FORM
 Start Date: 02.22.18 Name: Savage and SVSP patrollers Angie, Molly, and Ted Operation: SAC
 Drainage/Route:  Governors Punchbowl/Avalanche Peak area Observed Terrain:  8200-9400', mostly NE-E-S Zone/Region:  Smoky & Boulder Mountains
WEATHER OBSERVATIONS
 HN24: 8-12cm HST: 12-30cm Sky: X Precip: S1 Temps: 4-10F
 Ridgeline Wind: Moderate and Gusty from the S
 Blowing Snow: M Snow Available for Transport: Large amounts
 Comments: Precip ranged from none to S-1 to S2. HN24 increased with elevation. HST increased significantly with elevation. At 9000', there was about 6-8cm HN by noon, snowed 4-6cm from noon-4pm.
AVALANCHE OBSERVATIONS
None Reported
SNOWPACK OBSERVATIONS
 HS: 9000' E: 150-170cm in sheltered terrain 
 Upper Pack: 30cm PP and DF with a subtle density change/interface about half way down, then very thin FC layer/interface on top of 2 cm thick crust, then 1cm of FC below crust  
 Middle Pack: 1/19 layer 20cm below 2/11 crust, still visible as a stripe in the pit but SH crystals are not recognizable, 12/19 FC obvious due to change in crystal size but layer is getting much denser/harder 
 Lower Pack: Not observed 
AVALANCHE PROBLEM ASSESSMENT
Avalanche Characteristics
Character/Avalanche Problem:
Wind Slab

Layer/Depth:
10-50cm (today's loading)

Likelihood of Triggering
Sensitivity:
Stubborn

Spatial Distribution:
Isolated
Terrain
  Primary Concern Comments: Isolated pillows due more to terrain than weather. Guessing there would have been significant slabs another 500-1000' higher. We did not observe NW and W slopes, but I think they would have been actively loading given the wind direction.
 
Avalanche Characteristics
Character/Avalanche Problem:
Persistent Slab

Layer/Depth:
30cm (2/14)

Likelihood of Triggering
Sensitivity:
Stubborn

Spatial Distribution:
Widespread
Terrain
  Problem 2 Comments: No collapsing or whumphing. Thinking you needed wind to create enough slab/load to cause problems where I was.
STABILITY TESTS
 Stability Test Results: 9000' E site: CT13, RP 15cm down in mid-storm weakness: CT21, RP at 32cm on FC below the 2/14 crust: ECTX
OBVIOUS SIGNS OF INSTABILITY
 Marked with checkmark if observed:
 Cracking (isolated)   Length: 1-2m
SNOW STABILITY
 Snow Stability Rating for your observed area: Good Confidence: MODERATE Trend: Worsening
 Comments (aspects and elevations of instability, etc): Stability was much worse in actively wind-loading paths.
BOTTOM LINE
 Comments: Definitely some wind transport from about 8900-9400', but it was forming whales/drifts/pockets and not widespread slabs. This was in large part due to the terrain; I think it would have been a different world (scary, dangerous) up another 1000' in elevation.