Close
ADVANCED OBSERVATION FORM
 Start Date: 02.23.19
 Drainage/Route:  SW ridge of Avalanche Peak Observed Terrain:   Zone/Region:  Smoky & Boulder Mountains
WEATHER OBSERVATIONS
 HN24: Trace HST: Trace Sky: OVC Precip: S1 Temps: -8C
 Ridgeline Wind: Moderate and Steady from the W
 Blowing Snow: L Snow Available for Transport:
AVALANCHE OBSERVATIONS
None Reported
AVALANCHE PROBLEM ASSESSMENT
Avalanche Characteristics
Character/Avalanche Problem:
Deep Persistent Slab

Layer/Depth:
100 cm

Likelihood of Triggering
Sensitivity:
Stubborn

Spatial Distribution:
Widespread
Where did you find this problem?
  Primary Concern Comments: 
STABILITY TESTS
 Stability Test Results: CTM SC 30 cm from top
ECTN 21. Fracture 30 cm from top
SNOW STABILITY
 Snow Stability Rating for your observed area: Good Confidence: MODERATE Trend:
 Comments (aspects and elevations of instability, etc): With the coming storm I expect the stability to worse
BOTTOM LINE
 Comments: The deep slap problem should be monitored closely. The mid crust didn’t show weak layer of facets either above or below.