CAIC

CAIC: Colorado Avalanche Information Center

BC Zone Observation Report

Tuesday, January 31, 2017 at 12:00 AM
Aspen

Details

Date: 2017/01/31

Observer: Devin Pool
Organization: Public

Location

BC Zone: Aspen
Area Description: Maroon Bowl, Near Treeline, N Aspect.

Weather

Weather Description: High Wind, Sun, W, 11,000

Snowpack

Snowpack Description: Windslab over depthhoar

Avalanches

Avalanche Description: Snowboarder triggered on ski cut over convexity

Date

Location/Path

#

Elev

Asp

Type

Trig

SizeR

SizeD

View

2017/01/31 ^†

Maroon Creek

1

<TL

N

SS

AR / c

R2

D2

Media

Images

<b>Figure 1:</b> Snowboarder triggered Persistent Slab avalanche while performing slope cut on convexity. N aspect. (<a href=javascript:void(0); onClick=win=window.open('https://avalanche.state.co.us/caic/media/full/obs_45137_15200.jpg','caic_media','resizable=1,height=820,width=840,scrollbars=yes');win.focus();return false;>see full sized image</a>)

<b>Figure 2:</b> Looking up at the crown of a slide triggered by a snowboarder while performing a slope cut to avoid a convexity. The slide broke about 18" deep, 100 yards long, and ran 400 vertical feet to the lower right corner of the image. Maroon Bowl, 1-31-17. (<a href=javascript:void(0); onClick=win=window.open('https://avalanche.state.co.us/caic/media/full/obs_45137_15229.jpg','caic_media','resizable=1,height=820,width=840,scrollbars=yes');win.focus();return false;>see full sized image</a>)