Observation: Red Pine Gulch

Observation Date
01/29/2018
Observer Name
Grainger, Dromgoole

Region:

Location Name or Route
Maybird/Red Pine
Weather
Sky
Clear
Wind Speed
Calm
Snow Characteristics
Snow Surface Conditions
Rain-Rime Crust
Snow Characteristics Comments

Prominent rime zipper crust on exposed snow surfaces, dense and settled soft snow in protected treed areas. Digging on an E facing slope at 9500', found 84cm of decently right side up snow, 4F facets ~20cm from the ground being the only hint of persistent weakness at this site. However, only ECTX and CT23 and CT26 Q3 PC at this layer.

Red Flags
Red Flags
Recent Avalanches
Rapid Warming
Avalanche Problem #1
Type
Persistent Slab
Trend
Same
Problem #1 Comments

Evidence of last cycle's persistent slabs on some N through E slopes on steep rollovers. Photo 1 from Red Pine, fracture line just below trees extending across photo.

Avalanche Problem #2
Type
Loose Wet Snow
Trend
Same
Problem #2 Comments

SE through SW faces seeing point releases and roller balls with warm sun in the last 36 hrs. Photo #2

Snow Profile
Aspect
East
Elevation
9500
Slope Angle
10
Comments

Last cycle's crown stretching several hundred feet under treeline on short steep NE slope.

Wet loose point releases on SW faces.

Textbook zipper crust from rime event.

Today's Observed Danger Rating
Moderate
Tomorrows Estimated Danger Rating
Moderate
Snow Profile Coordinates