Hidden bowl

Avalanche

geoffroy.bardoux · Jan 27, 2020 · Glacier

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Quick report

Weather
stormy, windy, cloudy
Ride Type
mellowSlopes, openTrees
Stayed Away
alpineSlopes, steepSlopes
Riding Quality
Good
Snow Conditions
crusty, windAffected, powder
Avalanche Conditions
avalancheConditionSlab

5 to 10cm new snow over hard wind affected in the alpine. Soft powder at tree line and below. Two size 1.5 slab avalanches off Richardson ridge less than 24h ago, maybe from cornice failure from the large blocks seen at the bottom of the runout.

Weather

Light wind up to treeline. Moderate in the alpine. Lots of snow transport at ridge top.

Snowpack

One weaker layer down 35cm with facets and surface hoar One crust layer down 85cm. No significant results out of 2 column tests. 175 F, pp, 2mm 172 4F, broken pp, 2mm 162 1F, broken pp, 1/2mm 142 4F, facet rounding, 1mm 139 P, round, 1mm 114 4F, facets and surface hoar, 2mm 113 P, rounding facets, 1/2mm 91 K 90 P, rounding facets, 1/2mm 64 P- 45

Avalanche

Two size 1.5 to 2 natural slab avalanches off Richardson ridge in last 24h. Didn't step down to buried weak layers.