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Observation: Brighton Perimeter

Observation Date
12/18/2025
Observer Name
B
Region
Salt Lake » Big Cottonwood Canyon » Brighton Perimeter
Location Name or Route
Brighton Perimeter
Weather
Sky
Overcast
Wind Direction
Southwest
Wind Speed
Moderate
Weather Comments
WSW Moderate winds above 9500' in pm. Teens in the am rising to the mid 30's pm
Snow Characteristics
New Snow Depth
5"
New Snow Density
High
Snow Surface Conditions
Dense Loose
Wind Crust
Snow Characteristics Comments

Storm deposited 5 inches of Graupel. There was a thin crust 1 inch below the surface denoting when the storm/frontal passage went through and the temperatures dropped drastically. Riding was good in surfy dense snow and best on moderate to low angle slopes.

Red Flags
Red Flags
Poor Snowpack Structure
Avalanche Problem #1
Problem
Persistent Weak Layer
Trend
Same
Problem #1 Comments

Persistent Slab Problem appears to be Unreactive at this point, yet structure still a concern. See photo.

Comments

Moderate WSW winds in pm with Moderate Blowing Snow/Transport observed. No Wind Slab development observed.

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

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