Avalanche

Avalanche: Timpanogos

WoodyProvo
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Avalanche

Weak Layer
Facets
Trigger Type
Natural
Avalanche Type
Soft Slab
Slab Thickness
38 cm
Start Zone Aspect
East
Avalanche Problem
Persistent Weak Layer
Start Zone Elevation
2987 m

10-15" of storm snow with some wind transport fell on top of several inches of Nov snow that had faceted. SS-N-D2.5-I on NE to E faces at or above 9800. These were 10 - 15" deep and roughly 500' - 900' wide. Vertical fall was around 2000'. Avalanches occurred on East Face of Timp, Cascade Cirque, Slide Canyon, and Lost Creek. (Our RADAR indicated that the Slide Canyon avalanche occurred at 10:09am on the 6th). Our nearby Wx station showed .98" of SWE with averaged winds at 8k showing 21@214G48 during the bulk of the storm.