|Location:||Road observation on drive to Tenderfoot for avalanche investigation|
Route & General Observations
Driving through Turnagain there were a few small wind triggered avalanches that were not observed the day before. As soon as we made the turn to the west near Johnson pass we saw evidence of a more significant natural avalanche cycle on our way to and in the Summit Lake zone.
Obvious signs of instability
|Recent Avalanches?||Yes||Collapsing (Whumphing)?||No||Cracking (Shooting cracks)?||No|
Natural avalanche activity
Northwesterly winds pluming snow throughout the day loading Southerly and easterly slopes in Summit.
Milepost 45 weather station was averaging 20 mph with gusts into the 30s. This station under reports winds. Winds were blowing from the South loading North slopes near Silvertip and Twin Peaks.
Temperatures recored in the single digits @ Milepost 45 wx station 3800'. Teens @ Summit Lake Snotel 1400'.
No new snow.
Wind scoured, satrugi