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Observation: Ben Lomond

Observation Date
12/16/2019
Observer Name
Hardesty, Trenbeath, Wewer
Region
Ogden » Ben Lomond
Location Name or Route
Ben Lomond
Weather
Sky
Broken
Wind Speed
Calm
Weather Comments
Mostly cloudy, cold, little to no wind. Rime from Saturday; a couple inches overnight. Powder preservation weather.
Snow Characteristics
New Snow Depth
2"
New Snow Density
Low
Snow Surface Conditions
Powder
Snow Characteristics Comments
Powder.
Red Flags
Red Flags Comments
No red flags.
Avalanche Problem #1
Problem
Wind Drifted Snow
Trend
Decreasing Danger
Problem #1 Comments
Wind affect noted along the terrain from north Ogden Divide to Ben Lomond. One can see wind features along the Ben Lomond headwall. These drifts we found welded-in and non-reactive.
Avalanche Problem #2
Problem
Persistent Weak Layer
Trend
Decreasing Danger
Problem #2 Comments
9600' NE snow profile showed 150cm depth with 20cm of 4F+/1F- rounding facets at the base. Right side up to the surface. 40cm of pencil+ snow above the basal facets. Unreactive.
Spoke with Snowbasin snowsafety. They had not seen any avalanches on this layering either with explosives or with nearly 8"SWE since Thanksgiving.
Photos: profile beneath BL summit; rounding facets courtesy DougWewer (desertsnow images)
Today's Observed Danger Rating
None
Tomorrows Estimated Danger Rating
None