Mount Ogden 2.5 C, DL Na @ 2450 NE 45

Quick report

alex.wright.geo · Nov 24, 2025 · Waterton Lakes

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Observation photo 1

Quick report

Weather
cloudy, sunny
Ride Type
alpineSlopes, convexSlopes, denseTrees, openTrees
Stayed Away
steepSlopes, sunnySlopes
Riding Quality
good
Snow Conditions
powder
Avalanche Conditions
avalancheConditionSlab, avalancheConditionSnow

On November 24th @ 14:40 a natural size 2.5 was likely triggered by cornice or storm slab failure from an elevation of 2450 down to 1950. The powder cloud crossed the normal ascent route.

Snowpack

Obs Type
point

Avalanche

Run Length
500
Trigger Type
natural
Wind Exposure
leeSlope
Avalanche Size
2.5
Start Zone Aspect
NE
Vegetation Cover
openSlope
Start Zone Incline
45
Avalanche Character
looseDry
Number Of Avalanches
1
Start Zone Elevation
2450
Runout Zone Elevation
1950
Weak Layer Burial Date
2025-11-23
Weak Layer Crystal Type
stormSnow
Start Zone Elevation Band
alp
Avalanche Occurrence Datetime
2025-11-24T21:00:00.000Z

On November 24th @ 14:40 a natural size 2.5 was likely triggered by cornice or storm slab failure from an elevation of 2450 down to 1950. The powder cloud crossed the normal ascent route.