Skier remote avalanches sz 1 + sz 1.5 and sympathetic sz 2.5

Quick report

brodiesmith.consulting · Mar 6, 2025 · Northwest Inland

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Observation photo 1Observation photo 2Observation photo 3

Quick report

Riding Quality
ok
Avalanche Conditions
avalancheConditionSlab

Observations from SAR members attending separate incident lower down in the drainage. See avalanche details. Also of note, one lone ski tourer in area today that was tip towing around the region solo. Increased caution is recommended in this region due to reactivity of a persistent weak layer in varying aspects and elevations.

Weather

Avg Temp
0
Wind Speed
windSpeedLight
Blowing Snow
none
Sky Condition
fewClouds
Wind Direction
SW
Temperature Trend
steady
Precipitation Type
none

Strong solar radiation and near or above freezing temperatures.

Snowpack

Site Aspect
NW
Site Elevation Band
alp

Evidence of previous point release activity and Na slab avalanches on a variety of aspects and elevations.

Avalanche

Trigger Type
skier
Wind Exposure
leeSlope
Avalanche Size
2.5
Trigger Sub Type
remote
Start Zone Aspect
NW
Trigger Distance
10
Vegetation Cover
openSlope
Start Zone Incline
35
Avalanche Character
persistentSlab
Crust Near Weak Layer
1
Number Of Avalanches
2-5
Start Zone Elevation
2350
Runout Zone Elevation
2100
Weak Layer Burial Date
2025-01-30
Avalanche Observation
12hrsAgo
Weak Layer Crystal Type
surfaceHoarAndFacets
Start Zone Elevation Band
alp
Avalanche Occurrence Datetime
2025-03-06T21:00:00.000Z

Party of two remotely triggered two sizes ones. The middle avalanche entrained more mass on a second break over becoming a 1.5. This sympathetically released the larger lookers left size 2.5 that run approx 250m down the track. Neither person was involved in the avalanches.

Incident

Group Size
2
Group Activity
skiing
Number Injured
0
Number Involved
0
Number Caught Only
0
Number Fully Buried
0
Snow Depth Trigger Point
variable
Terrain Shape Trigger Point
unsupported
Number Partly Buried Able Breathing
0
Number Partly Buried Impaired Breathing
0