Observation: Park City Ridgeline

Observation Date
12/19/2014
Observer Name
mark white
Region
Salt Lake » Park City Ridgeline
Location Name or Route
South Monitor, No Name Bowl
Weather
Sky
Few
Weather Comments
Gray in the early morning, bluebird afternoon, more clouds dropping in at the end of the day. Nice temps and no wind.
Snow Characteristics
New Snow Depth
4"
New Snow Density
Low
Snow Surface Conditions
Powder
Snow Characteristics Comments

4 inches of super light snow capping off buried wind slabs, facets or a melt freeze crust, depending on aspect. Huge improvement in the riding.

Comments

Wanted to get out and see how loose the surface was before this weekends storm. Surface conditions were a quite a bit looser than was noted on Wednesday. Long running sluffs in steeper terrain entraining quite a bit of snow. and running well out on to flatter terrain. Also of note was a decaying wind slab that cracked out and propagated in the top of No Name Bowl. Took out the new snow and the wind slab that was resting on the layer of facets from our dry spell before last weekends storm. When you look at the crown its pretty obvious where things are going to be active on the PC Ridgeline. South, West Monitor, and No Name all have the same set up, new snow resting on a heat crust or a decaying wind slab, Not a trustworthy bridge with any kind of snow load. The wind slab crust layer might make for more connected avalanches if we get the load, they may hold some weight but when they go they might tend to go larger than if the snow was just sliding on near surface facets. Photos, lots of new snow sluffing, the first shot is where the windslab cracked out on buried facets. Other photos are of the little crown that resulted from the wind slab failing on facets, in the close up it is easy to see the weak facet layer under the wind slab, large grain facets

Video

Low now with increasing hazard with wind and new snow.

Today's Observed Danger Rating
Low
Tomorrows Estimated Danger Rating
Moderate