Observation: Primrose Cirque 11/27/2011

Observer Name:

Ty Falk

Region:

Primrose Cirque
Timpanogos
Provo Canyon
Provo

Observation Date:

11/27/2011

Location or Route:

Mt. Timpanogos, Primrose Cirque

Weather

Sky:

Clear

Wind Direction:

West

Wind Speed:

Light

Snow Characteristics

Snow Surface Conditions:

Wind Crust

Snow Characteristic Comments:

A variety of wind crusts,wind boards and sastrugi dominated the landscape.

Red Flags

Recent Avalanches

Wind Loading

Red Flag Comments:

Old crown lines around primrose most less than a foot deep. Appeared to be windslabs that naturaled during the 11-25 wind event.

Primary Concern

Primary Concern:

Persistent Slabs

Probability:

Considerable

Aspect:

North

Northeast

Northwest

Elevation:

High

Trend:

Same

Primary Concern Comments:

Persistent weak layer from October snow.

Secondary Concern

Secondary Concern:

Wind Slabs

Probability:

Considerable

Aspect:

North

Northeast

East

Southeast

Elevation:

High

Mid

Trend:

Same

Secondary Concern Comments:

Wind slabs from a few days ago.

snow_profile_location:

Comments - Photos - Videos (group 1)

We were too sketched out by the persistent weak layer to go up high on the snowfield where the October snow would have been. Between the ice bulge at the top and the October snow that must be buried on the snowfield, it looks like a long term problem that's not going to go away any time soon.

Observed Danger Rating:

Considerable

Forecast Danger Rating:

Considerable