CAIC

CAIC: Colorado Avalanche Information Center

BC Zone Observation Report

Saturday, January 14, 2017 at 12:00 AM
Front Range

Details

Date: 2017/01/14

Observer: Mark Griffin
Organization: Public

Location

BC Zone: Front Range
Area Description: Bryan Mountain, Indian Peaks. Ridge top.

Weather

Weather Description: 9:45AM BRK -4C Calm. Winds were very light overnight with clear skies. Overnight low temp was -8C. 10,600', ridgetop.

Snowpack

Snowpack Description: 3mm to 9mm surface hoar formed last night, widespread on this ridge in open areas. Some crystals as large as 12mm.

Avalanches

Avalanche Description: Large crown visible on the east face of Jasper Peak above treeline.

Date

Location/Path

#

Elev

Asp

Type

Trig

SizeR

SizeD

View

2017/01/11 ^†

Indian Peaks Wilderness

1

>TL

E

N

D2

Media

Images

<b>Figure 1:</b> Surface hoar on Bryan Mountain in the Indian Peaks. (<a href=javascript:void(0); onClick=win=window.open('https://caic-production.imgix.net/x41lx56huwdxdl2s5zcntk44z4fc?ixlib=php-3.1.0&s=d10f6f52ee3e87f3158cfe249329aabb','caic_media','resizable=1,height=820,width=840,scrollbars=yes');win.focus();return false;>see full sized image</a>)

<b>Figure 2:</b> These formed in an open area at ridge top, around 10,600' (<a href=javascript:void(0); onClick=win=window.open('https://caic-production.imgix.net/qoq8rrc860f29f3qkhkgjqh02pe6?ixlib=php-3.1.0&s=d8901b16b3e12483e9cff9f430c7a760','caic_media','resizable=1,height=820,width=840,scrollbars=yes');win.focus();return false;>see full sized image</a>)

<b>Figure 3:</b> Large surface hoar crystals (<a href=javascript:void(0); onClick=win=window.open('https://caic-production.imgix.net/9yj8ltiacxwikjyhwh6cdtj282di?ixlib=php-3.1.0&s=70ed261920263c901938257d832e9f49','caic_media','resizable=1,height=820,width=840,scrollbars=yes');win.focus();return false;>see full sized image</a>)