Avalanche: Green Canyon

Observer Name
Lawson, Shirey
Observation Date
Monday, February 22, 2010
Avalanche Date
Monday, February 22, 2010
Region
Logan » Green Canyon
Location Name or Route
Elevation
8,200'
Aspect
Northwest
Slope Angle
38°
Trigger
Skier
Trigger: additional info
Unintentionally Triggered
Avalanche Type
Soft Slab
Weak Layer
Surface Hoar
Depth
12"
Width
45'
Vertical
100'
Caught
1
Carried
1
Buried - Partly
1
Comments

bluebird, 20-25 degrees, wind very light from west. Soft slab, north west, 8200 ft, crown broke off a roller ~38 degrees down onto a 30 degree slope, 1 ft. deep, 45 ft. wide, ran 60 ft, surface hoar on a hard layer,

nch thick knife hard crust with hoar on top

light old snow, soft with very variable pockets. some places was consistent and deep and some had two layers of hard crust @ 6 inches and 18 inches deep

Comments

a North West aspected mountain due south of Mt. Jardine. Logan/Green Canyon... Trigger was a hard stop and skier falling on uphill side, broke crown just below two other skiers.

may have been slightly wind loaded, it was a small clearing amongst trees

Comments

Considerable danger. You guys have been right on. we knew we were on a dangerous aspect and slope.

Coordinates