Avalanche Activity

Northern Madison
Big Sky Resort
Explosive triggered slide at Big Sky
Big Sky Resort
HS-ABc-R3-D2-O
Elevation: 10,901
Aspect: N
Coordinates: 45.2783, -111.4490
Caught: 0 ; Buried: 0

"We triggered a large avalanche in the Cirque with a 5lb. shot dangled from the Tram.  The slide broke 3’ deep and took out the Dobies, Cron’s and part of the Ramp Shot avalanche paths.  Hard slab- 1F minus generally.  Storm slab from the past 8 days.  The slide ran on a crust that formed from the left over snow from mid- October that got warmed in the 3rd week of October.  The weak layer was just a thin layer of lower density snow trapped under the hard slabs- didn’t seem to be particularly faceted. Some grauple. The crust is not very hard or slick, about 2cm thick, and crumbled easily in hand... The slide had good propagation and the crown was at least 300’ long- impressive debris pile." -Big Sky Ski Patrol


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Northern Madison
Big Sky Resort
Avalanche in Big Couloir at Big Sky
Incident details include images
Big Sky Resort
SS-N-R2-D2
Elevation: 10,900
Aspect: NE
Coordinates: 45.2792, -111.4500
Caught: 0 ; Buried: 0

Avalanche happened around 1100hrs


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Bridger Range
BRIDGER RANGE
Multiple avalanches in the N. Bridger Range
BRIDGER RANGE
SS-N
Coordinates: 45.9348, -110.9890
Caught: 0 ; Buried: 0

From the MSU Backcountry Club in Instagram:Warning! This is a current, fresh, crown in the northern Bridgers! Every aspect had a visible crown and avi debris! This crown was 56cm at it deepest and over 8 meters long. ECTP21@53 and CT24@54 on the overlying slab.


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