Out of Advisory Area
Code
HS-ASr-R3-D2.5-O
Aspect
N
Notes
Party of three skiers remote triggered avalanche with at least 6' crown off N face of Mt Porphry along rockband near summit. They had dug three pits dug on NE face ascending Mt Porphry indicating increasing stability and no clean propagation . Approx 150-210 cm deep snowpack. See attached photo.
Number caught
0
Number buried
0
Avalanche Type
Hard slab avalanche
Trigger
Skier
Trigger Modifier
r-A remote avalanche released by the indicated trigger
R size
3
D size
2.5
Bed Surface
O - Old snow
Problem Type
Persistent Weak Layer
Slab Thickness units
centimeters
Single / Multiple / Red Flag
Single Avalanche
Advisory Year