Observation Date
11/30/2018
Observer Name
Toby Weed
Region
Logan » Franklin Basin » Steep Hollow
Location Name or Route
Timber Sale, Steam Mill 4
Weather
Sky
Overcast
Precipitation
Moderate Snowfall
Wind Direction
West
Wind Speed
Moderate
Weather Comments
Periods of heavy snowfall
Snow Characteristics
New Snow Depth
14"
New Snow Density
Medium
Snow Surface Conditions
Powder
Snow Characteristics Comments
Overnight's snow rimed.... difficult trail breaking
Red Flags
Red Flags
Heavy Snowfall
Wind Loading
Cracking
Collapsing
Poor Snowpack Structure
Red Flags Comments
Widespread collapsing, (many instances) with shooting cracks up to 100+' away.
Avalanche Problem #1
Problem
Persistent Weak Layer
Trend
Increasing Danger
Problem #1 Comments
Slopes with sugary pre-Thanksgiving snow are dangerous. Main concern is for those with smooth underlying terrain. The faceted snow in many areas is so shallow that the Thanksgiving slab is anchored in the terrain.
Avalanche Problem #2
Problem
New Snow
Trend
Increasing Danger
Problem #2 Comments
Soft storm snow and wind slab avalanches could be an issue this weekend in steep terrain, even on slopes that had no snow before Thanksgiving.
Snow Profile
Aspect
Northwest
Elevation
8,500'
Slope Angle
25°
Dangerous avalanche conditions are developing on slopes with faceted pre-Thanksgiving snow. Conditions are much less dangerous on slopes that were bare before the holiday storm.
Video
Today's Observed Danger Rating
Considerable
Tomorrows Estimated Danger Rating
High
Coordinates
