CAIC

CAIC: Colorado Avalanche Information Center

BC Zone Observation Report

Monday, January 7, 2019 at 12:00 AM
Front Range

Details

Date: 2019/01/07

Observer: michael lyons
Organization: Public

Location

BC Zone: Front Range
Area Description: Geneva basin ski are near Guanella pass.

Weather

Weather Description: Partially cloudy in the morning. Increasing cloud cover throughout the day with some intermittent snow showers. Little/ no accumulation.

Snowpack

Snowpack Description: Relatively shallow snowpack, especially in trees, faceted. Some wind effected slopes above/ at treeline.

Avalanches

Avalanche Description: Triggered a small avalanche. Waypoint shown in caltopo map was taken from base of slide. Estimated 2.5-3ft crown, 50ft wide, ran roughly 75ft. I was boarding towards the slope and paused to see how steep the open patch looked. Immediately after stopping propagating crack formed on either side of where I was standing and then this slid. Crown was roughly 15ft from where I stopped.

Date

Location/Path

#

Elev

Asp

Type

Trig

SizeR

SizeD

View

2019/01/07 ^†

1

<TL

E

SS

AR / r

R2

D1.5

Media

Images

<b>Figure 1:</b> view from bottom (<a href=javascript:void(0); onClick=win=window.open('https://caic-production.imgix.net/kkj57jq9f69oz8d0co58hmd8gg5k?ixlib=php-3.1.0&s=c07ea5206063afdd9f600d6d2e922c59','caic_media','resizable=1,height=820,width=840,scrollbars=yes');win.focus();return false;>see full sized image</a>)

<b>Figure 2:</b> view from bottom (<a href=javascript:void(0); onClick=win=window.open('https://caic-production.imgix.net/vz2oz50szhku4ekqob8s5qqn7976?ixlib=php-3.1.0&s=b9f4e65407749fffd2dfc0a1bcfb79df','caic_media','resizable=1,height=820,width=840,scrollbars=yes');win.focus();return false;>see full sized image</a>)

<b>Figure 3:</b> view from bottom (<a href=javascript:void(0); onClick=win=window.open('https://caic-production.imgix.net/fjtaua6vyzjkyc3bu9opbs8cfuoa?ixlib=php-3.1.0&s=831624e6a5019c7934c9f6800e2d13a6','caic_media','resizable=1,height=820,width=840,scrollbars=yes');win.focus();return false;>see full sized image</a>)