Observation: Turnagain

Location: Sunburst

Date:

January 22, 2020 9:02pm

Observer:

Ryan Van Luit Forecaster

Route & General Observations

Standard uptrack

Red Flags

Red flags are simple visual clues that are a sign of potential avalanche danger. Please record any sign of red flags below.

Observer Comments

No red flags observed

Weather & Snow Characteristics

Please provide details to help us determine the weather and snowpack during the time this observation took place.

Weather

15°F
Calm winds
Heavy valley fog from ~2000'-2800'
No precip.

Snow surface

Top 8-12" - recent snow from 1/20
No signs of wind effect on snow surface
Some pre-storm tracks still visible

Snowpack

Testpit at 2000'
West aspect
HS 140cm
ECTX

Testpit at 2500'
west aspect
HS 110cm
ECTX

Hardness profile:
110-70 F (recent snow from 1/20)
70-40 4F (loose facets)
40-39 K (facet/crust/facet layer)
39-37 4F
37-30 1F - P
30-0 P

Photos & Video

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Looking south from the moto lot - Valley fog from ~2000'-2800' . 1.22.20 . Photo: CNFAIC Archive

Rime actively forming on ski pole strap while digging a pit at 2000' . 1.22,20 . Photo Eric Roberts

Looking into the foggy abyss at 2500' . 1.22.20 . Photo Eric Roberts

Testpits at 2000' and 2500' showed no signs of propagation. 1.22.20 Photo: CNFAIC Archive

Location

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