Pro Field Report

Basic Information

Observation Details

Observation Date:
January 12, 2021
Submitted:
January 13, 2021
Observer:
SAC - VandenBos (off duty)
Zone or Region:
Banner Summit
Location:
Cape Horn (6,700-9,000', primarily SE-E-NE aspects)

Signs of Unstable Snow

Recent Avalanches? 
None Observed
Cracking? 
Isolated
Collapsing? 
None Experienced
Cracking in freshly deposited wind slabs.

Advanced Information

Weather Summary

Wind:
Moderate , SW
New/Recent Snowfall:
20cm HN at 8,900' and 15cm at highway as of 1900. All precip falling as snow so far.

Moderate winds gusting strong. Snowing S1-S3 during tour (1630-1900)

Snowpack Observations

Windier than usual for this area, found reactive drifts up to 30 cm thick along the standard ascent ridge. These were isolated to the immediate lee of the ridge, extending downslope about 3-5m. Old skin track was drifted in above 7,600'.