Photos

It only took 20 minutes of skinning before we triggered a small avalanche in a terrain trap from a flat bench above. This slide (R3 D1) broke 150' wide, about a foot deep, and filled the creek bed below. Photo: GNFAC

From obs on 12/29: "On our way out near the cabin I cut a line close to a creek to see if I could trigger something."

From obs on 12/29: "On our way out near the cabin I cut a line close to a creek to see if I could trigger something."

Thick and robust ice crust layer widespread above white elephant.  Photo: Ride Rasmussen Style 

Occurred during the day on 12/28 Photo: GNFAC

Scotch Bonnet Depth to Weak Layer 28 Dec 2024

A group on the "Rip Curl" area of Woody Ridge south of Cooke City report ECTP1 test results failing on buried weak layers. Photo: B. Henry

Divide Pk 9600ft SE facing snowpit on 27 Dec 2024 with ECTP27 and ECTP23 at 22" deep

Divide Pk 9560ft E facing snowpit, ECTP30 about 24" deep on 27 Dec 2024

image of surface hoar crystals seen in the snowpit wall

We ski toured in Sheep Creek today, north of Cooke City.  Of note, a thin (4mm) rime crust was forming due to the high humidity/ quasi rain.  Remarkably the rime crust skied very well.  Photo: B. Fredlund

Digging snowpit near top of the ramp Dec 22

Image of snowpit from just south of the top of the ramp on Dec 22

Small slide in terrain trap. Looks to be old, likely from before the wind event that occurred mid last week. A snowmobile track leads into it with wind-drifted snow covering the track. Photo: L Welles

Above 9000’ winds were actively loading the snow and I got cracking and a very small slab to release on a small wind drifted roll over at 9500’ on a N aspect. Photo: E Heiman

Avalanche in Hourglass chute above Wolverine. It looked to be triggered by an intentional cornice drop, was around 12 inches deep at the crown, 100' wide and ran 850' vertical feet. It looked around three days old.

We experienced several collapses and had propagation in multiple ECTs performed.  HS varies between 85-105cm. Photo from 9940

Photo: BMG

Photo: BMG