S-X winds loading Alp lee

Quick report

JGormick · Feb 21, 2025 · South Coast Inland

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Observation photo 1

Quick report

Weather
cloudy, stormy, windy
Ride Type
alpineSlopes, openTrees
Riding Quality
good
Snow Conditions
powder
Avalanche Conditions
avalancheConditionSlab

Weather

Avg Temp
-8
Wind Speed
windSpeedExtreme
Blowing Snow
intense
Sky Condition
overcast
Snowfall Rate
1
Wind Direction
S
Storm Start Date
2025-02-21
Temperature Trend
steady
Precipitation Type
snow

Snowpack

Obs Type
point
Site Aspect
N
Site Elevation
2148
Ski Penetration
10
Foot Penetration
80
Site Elevation Band
alp
Test Failure Layer Crystal Types
stormSnow

Avalanche

Run Length
200
Slab Width
15
Trigger Type
skier
Wind Exposure
leeSlope
Avalanche Size
1.5
Slab Thickness
30
Trigger Sub Type
intentional
Start Zone Aspect
N
Vegetation Cover
openSlope
Start Zone Incline
33
Avalanche Character
windSlab
Number Of Avalanches
1
Start Zone Elevation
2140
Runout Zone Elevation
2110
Weak Layer Burial Date
2025-02-20
Avalanche Observation
12hrsAgo
Weak Layer Crystal Type
stormSnow
Start Zone Elevation Band
alp
Avalanche Occurrence Datetime
2025-02-21T22:00:00.000Z

S-X south winds, S1, repeated hand shears didn't reveal a failure plane, upper 30+cm 4F/F. Ski cut from entrance to safe zone under Disease buttress, slope failed on storm snow interface and ran to Body Bag Bowl.