Decker Lake

Quick report

Weather

windy, cold, cloudy

Ride Type

alpineSlopes

Stayed Away

steepSlopes, convexSlopes

Riding Quality

good

Snow Conditions

windAffected, powder

Team: J Budd IFMGA, Mel W (CSGA2) Trip: Body Bag to Circle Lake and then Decker Lake. Decker Lake to Decker Meadows and then out D Ridge. Winds were moderate and gusting strong. HST ranged from 5cm - 40cm on lee aspect from B Bowl down to Circle Lake. Snow transport was light to moderate. Up tracking from Decker Lake, working benches to avoid overhead hazard from Decker. Mel put a kick turn in and a shooting crack propagated 15-20m across to convex slope and initiated the avalanche which propagated approximately 100m to prominent ridge toward circle lake. Crown at convex roll 40 cm and 10cm at rocky ridge. Bed surface Dec 30 Cr. 4 Finger resistance at crown. Second avalanched observed on way out: 1400 hrs, Fingers Chute/Decker, Sz 1.5, NA 2300-2150m, NW Aspect .

Weather

Wind Speed

windSpeedModerate

Blowing Snow

light

Sky Condition

overcast

Wind Direction

NE

Precipitation Type

none

Snowpack

Site Aspect

NE

Site Elevation

2100

Site Elevation Band

alp

Surface Conditions

newSnow

Avalanche

Trigger Type

skier

Wind Exposure

leeSlope

Avalanche Size

1.5

Trigger Sub Type

remote

Start Zone Aspect

N, NE

Start Zone Incline

40

Avalanche Character

windSlab

Number Of Avalanches

1

Weak Layer Burial Date

2023-12-30

Avalanche Observation

12hrsAgo

Avalanche Occurrence Datetime

2024-01-04T21:00:00.000Z

Incident

Group Activity

skiing

Terrain Shape Trigger Point

convex