CAIC

CAIC: Colorado Avalanche Information Center

BC Zone Observation Report

Monday, January 8, 2018 at 12:00 AM
Front Range

Details

Date: 2018/01/08

Observer: Public

Location

BC Zone: Front Range
Area Description: Mt Trelease SE Aspect and an East facing gully on the North Side of Mt Trelease in Dry Gultch

Weather

Weather Description: Mostly sunny light wind below treeline with heavier wind transporting snow at and above treeline from the west.

Snowpack

Snowpack Description: 5-12 inches of new/transported snow in areas sitting on 1F old snow. Poor bonding at the old/new interface especially in wind loaded/cross loaded areas near or above tree line.

Avalanches

Avalanche Description: Location: E Ridge of Mt Trelease on a SE facing shoulder. Elevation: around 11,800 just above treeline Location: N side of Mt Trelease on a East facing gully Elevation: around 11,500 just below treeline

Date

Location/Path

#

Elev

Asp

Type

Trig

SizeR

SizeD

View

2018/01/08 ^†

Dry Gulch

1

>TL

SE

U

R2

D1.5

Media

Images

<b>Figure 1:</b> E Facing Gully on N Side of Mt. Trelease in Dry Gultch (<a href=javascript:void(0); onClick=win=window.open('https://caic-production.imgix.net/gvbxkwbyrv6txmjcehwi0jzedtlq?ixlib=php-3.1.0&s=a9b06e05d842b1ae34811ae140c34a53','caic_media','resizable=1,height=820,width=840,scrollbars=yes');win.focus();return false;>see full sized image</a>)

<b>Figure 2:</b> Crown of E Facing Gully on N Side of Mt. Trelease in Gultch (<a href=javascript:void(0); onClick=win=window.open('https://caic-production.imgix.net/v4cehwl9r5y6yfs4a4wv6dvc9mw2?ixlib=php-3.1.0&s=91756960501838b9071440a3e067167d','caic_media','resizable=1,height=820,width=840,scrollbars=yes');win.focus();return false;>see full sized image</a>)

<b>Figure 3:</b> Avy Track from SE Facing Shoulder on Mt Trelease (<a href=javascript:void(0); onClick=win=window.open('https://caic-production.imgix.net/npf1lmk91v52r0uw0858hwj2jbu7?ixlib=php-3.1.0&s=e36e434bb388ffe22483738ffd93e78d','caic_media','resizable=1,height=820,width=840,scrollbars=yes');win.focus();return false;>see full sized image</a>)

<b>Figure 4:</b> SE Facing Shoulder on Mt Trelease. (<a href=javascript:void(0); onClick=win=window.open('https://caic-production.imgix.net/z9yygo386rs54rhreqzsmxpjospq?ixlib=php-3.1.0&s=b369b6704cd16bc07e765e47cab56b62','caic_media','resizable=1,height=820,width=840,scrollbars=yes');win.focus();return false;>see full sized image</a>)