Northwest Avalanche Center

Observation: Public

All Observations

Observation Details

Name:
Craig Muderlak
Observation Date:
March 16, 2022
Submitted:
March 16, 2022
Zone or Region:
Snoqualmie Pass
Activity:
Skiing/Snowboarding
Location:
Pineapple pass

Observed Avalanches

Did you observe any avalanches? 
Yes
Avalanche Type:
Wet Loose
Size:
Size 2: Could bury, injure, or kill a person
Elevation:
4500
Aspect:
SW
Comments:
Steep unsupported cliff bands above summer trail - bed surface:rock slabs

Signs of Unstable Snow

None reported

Observations

Traveled up to 5200’ on pineapple pass. Obs on Big Trees, Draft Dodger, Great Scott, No fog. No sings of storm slab observed. Mostly right side up snowpack in storm snow. Dug down to early March crust @4500’ and 4900’ - N aspect. Rounds and No facets observed above early March crust. @4900’ HS370cm. CTM PC down 15 cm (mid storm int/grapple), CTH (RP) down 75cm Early March MF. ECTN (brk) down 15cm. Similar results in multiple pit sites. Upper snowpack down to early March MF: all moist / wet. 40-50cm F-4F storm snow overlying March 12 MF, overlying 15-25 cm rounds/MFs overlying stout early March MF.

Media

Public Field Report: Pineapple pass
Public Field Report: Pineapple pass
Public Field Report: Pineapple pass

Advanced Observations

Observed Avalanche Problem #1: 
Wet Loose
Comments: 
Widespread pinwheels on steep slopes above 35 degrees - all aspects. A couple D2 observed and heard sliding off slabs above summer trail.
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