Kebler Pass Storm obs

CBAC CBAC Observations

Date of Observation: 12/10/2021
Name: Eric Murrow Ben Pritchett

Zone: Northwest Mountains
Route Description: Kebler Pass

Observed avalanche activity: Yes
Avalanches: Observed one natural soft slab avalanche on a northwest-facing slope at 10,150′. Visibility was socked in, so very little opportunities to see recent avalanche activity.
Weather:

  • Ridgeline Wind Speed: 20-30 mph
  • Ridgeline Wind Direction: W
  • Wind Loading: Moderate
  • Temperature: 12 F
  • Sky Cover: Obscured
  • Depth of New Snow: 27 in
  • Depth of Total Snow: 51 in
  • Most Significant Precip Rate: S2 – 2 cm/hr
  • Weather Description: One brief bit of broken skies around 10am, then it socked back in. Snowed S1-3 throughout the day without any breaks from 10am-3pm. Measured 51″ of storms snow which held 4.5″ snow water equivalent at Kebler Pass.

One brief bit of broken skies around 10am, then it socked back in. Snowed S1-3 throughout the day without any breaks from 10am-3pm. Measured 51″ of storms snow which held 4.5″ snow water equivalent at Kebler Pass.
Snowpack: Very deep, right-side-up storm resting on a very weak faceted base. Collapsing was rampant, but muffled. No cracking seen. ECT’s broke while isolating the block on size 10-15mm surface hoar, then gouged into facets.

Photos:

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