| Recent Avalanches? | Yes |
| Collapsing (Whumphing)? | No |
| Cracking (Shooting cracks)? | No |
Observation: Summit
Location: Road Obs
Took photos of avalanche activity reported and observed along the corridor from Silvertip to Tenderfoot, including the large human triggered avalanche on Silvertip, a large slab avalanche on a gully sidewall below treeline (~1300′?) on Northern end of Summit Lake area, and several wet loose avalanches W aspects on Moose Mountain and Lonestar.
Obvious signs of instability
Observer Comments
Large human triggered avalanche triggered yesterday on Silvertip. Large slab avalanche on South aspect on gully sidewall below treeline (~1300'?) on Northern end of Summit Lake area on East side of pass. Several wet loose avalanches from ridgelines on steep terrain on Westerly aspects on Moose Mountain and Lonestar. (See separate Summit Road Obs for photos).
Weather
Overcast skies at 12 pm turning to obscured skies at 4 pm. Calm winds at 12 pm becoming light around 3 pm and turning to moderate around 4 pm. Snowing less than 1 cm per hour starting at 3 pm, increasing to 1 cm per hour at 4 pm. Low 20s F at ridgetops and low 30s F increasing to upper 30s F at valley bottoms.
Snow surface
Not observed
Snowpack
Not observed
Close up of the Silvertip human triggered avalanche from 3/14
Wide shot of the terrain around the Silvertip human triggered avalanche from 3/14
Natural wet loose avalanches on W aspect of Lonestar
Natural wet loose avalanches from East side of road on Northern end of Summit area.
Remote human triggered avalanche from 3/12 on W aspect of Raven's Ridge (North of Butch)