Large remote trigger

Quick report

alex_salb · Mar 9, 2026 · Esplanade

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Observation photo 1Observation photo 2Observation photo 3Observation photo 4Observation photo 5

Quick report

Weather
windy, cold, sunny
Ride Type
mellowSlopes
Stayed Away
steepSlopes, convexSlopes
Riding Quality
good
Snow Conditions
powder
Avalanche Conditions
avalancheConditionSnow, avalancheConditionSlab

Weather

Avg Temp
-8
Wind Speed
windSpeedLight
Blowing Snow
none
Sky Condition
fewClouds
Wind Direction
W
New Snow24 Hours
30
Temperature Trend
steady
Precipitation Type
none

Snowpack

Depth
300
Obs Type
point
Site Aspect
SE
Site Elevation
2400
Ski Penetration
20
Test Initiation
none
Foot Penetration
30
Sled Penetration
30
Site Elevation Band
alp

Avalanche

Run Length
700
Slab Width
400
Trigger Type
snowmobile
Avalanche Size
3.5
Slab Thickness
100
Trigger Sub Type
remote
Start Zone Aspect
SE
Trigger Distance
150
Start Zone Incline
35
Avalanche Character
windSlab, persistentSlab
Number Of Avalanches
2-5
Start Zone Elevation
2400
Runout Zone Elevation
2100
Avalanche Observation
12hrsAgo
Start Zone Elevation Band
alp
Avalanche Occurrence Datetime
2026-03-09T20:00:00.000Z

Remote triggered from 150-200m away from rocky col. Ran full length (~700m) to gully below. SE aspect at ~2400m. Estimated 1m deep crown at max thickness. Sympathetically released next 3 drainages to the south (not pictured). Total width of crown ~800m.

Incident

Group Size
7
Terrain Trap
gullyDepression, trees
Group Activity
snowmobiling
Number Injured
0
Number Involved
0
Number Caught Only
0
Number Fully Buried
0
Snow Depth Trigger Point
variable
Terrain Shape Trigger Point
concave
Number Partly Buried Able Breathing
0
Number Partly Buried Impaired Breathing
0