Observation: Summit

Location: South - Summit Lake

Date:

December 10, 2020 9:17pm

Observer:

Daniel Krueger

Route & General Observations

Route up unknown peak to 2400′

Red Flags

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Observer Comments

Large surface hoar crystals on the surface from 1500-2400.' Dry snow on top of Mfc, poorly bonded.

Weather & Snow Characteristics

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

Weather

Clear skies, few clouds, calm winds. Temperature inversion in the AM.

Snow surface

Well developed surface hoar at all elevations averaging 4mm. Some as large as 8mm
1500' ~6cm dry snow above Mfc
2000' ~ 16cm dry snow above Mfc
2400' ~ 21cm dry snow over Mfc

Snowpack

HS 80cm @ 2000' W Aspect
HS 110cm @ 2400' W Aspect, 27 degree slop,
110-89 cm dry snow (F)
89-80cm, Mfc (P) layer with a thin 1F in the middle did not see facets.
80-47 cm, 1F
Didn't access the bottom, there were basal facets but alder branches made me not trust test results.

Photos & Video

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Surface Hoar

Pretty sweet Surface Hoar Grains 4mm to 8mm in size

Location

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