Avalanche

Irwin Tenure

Irwin GuidesGunnison
View on map
Observation photo 1

Quick report

Cracking
Observed
Collapsing
Observed

Slabs started to talk to us this afternoon with a fair amount of collapsing and cracking. Moving out into the alpine and away from ski-packed terrain proved skier compaction works with a remote trigger size 2 from 20 ' away.

Weather

Last night's storm brought us 11" of fluff and the winds were kind. We've had 27.5" in the last seven days. OVC, max temp 25/16 deg. WSW 15-20 G 30's S-1 this afternoon w/ minimal accumulation. Moderate wind transport NTL and riming this afternoon.

Snowpack

W aspects lacked enough of a slab this AM BTL to allow any propagation. Isolated storm slabs 6-10 " thick in areas with wind loading. NTL on W aspects this afternoon slab development was slightly more pronounced w/ cracking and collapsing, but still soft enough to limit propagation. Ski packing in UWW is working for now.

Avalanche

Size
D1
Type
SS
Count
2
Aspect
W
Trigger
AS
Elevation
10800 ft

W aspects BTL X 3 SS-ASc- D1 - I 10-24" X 30' X 50-100''. Party Hats L: SS-ASr-R2-D2-O apron remote trigger from 20' away. 50 cm X 10 m X 100 M entrenched old Fc and gouged to the ground.