Tiny Skiier Triggered Avalanche on Wet Sun Slab

Incident

fraserblazer · Mar 14, 2021 · North Shore

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Quick report

Weather
warm
Ride Type
sunnySlopes, steepSlopes, openTrees
Stayed Away
convexSlopes, alpineSlopes, cutBlocks
Riding Quality
good
Snow Conditions
wet
Avalanche Conditions
avalancheConditionTemp

Party of 3, skiing down in the afternoon. Decided to take a southern facing aspect in the afternoon. Went one at a time. First skiier no issues. Second skiier no issues. Snowboarder created a 0.5 sized avalanche that was 0.5m deep and 2m wide. Avalanche carried him 5m before continuing on for another ~10m.

Weather

Avg Temp
5
Max Temp
5
Min Temp
-2
Wind Speed
windSpeedLight
Sky Condition
clear
Temperature Trend
rising
Precipitation Type
none

Snowpack

Obs Type
point
Site Aspect
S
Site Elevation
1350
Ski Penetration
5
Test Initiation
none
Foot Penetration
60
Site Elevation Band
tln

Avalanche

Run Length
10
Slab Width
2
Trigger Type
skier
Avalanche Size
1
Slab Thickness
40
Trigger Sub Type
accidental
Start Zone Aspect
S
Vegetation Cover
sparseTrees
Start Zone Incline
40
Avalanche Character
wetSlab, looseWet
Number Of Avalanches
1
Start Zone Elevation
1350
Runout Zone Elevation
1340
Start Zone Elevation Band
tln
Avalanche Occurrence Datetime
2021-03-14T21:30:00.000Z

Incident

Group Size
3
Terrain Trap
noTrap, slopeTransitionOrBench
Group Activity
skiing
Number Injured
0
Number Involved
0
Number Caught Only
0
Number Fully Buried
0
Snow Depth Trigger Point
average
Terrain Shape Trigger Point
concave
Number Partly Buried Able Breathing
0
Number Partly Buried Impaired Breathing
0