COOKE CITY
Cooke City
Code
SS-N-R2-D2-I
Aspect
NE
Latitude
45.02020
Longitude
-109.93800
Notes
Photos of some recent natural avalanches near Cooke City today attached. All of the slides observed appeared to just involve new snow from the Feb. 20-21 storm. (occuring on all aspects, but primarily on NE aspects)
New snow: generally about 50-80cms of settled new snow from Feb. 20-21.
Quite a bit of collapsing experienced today while breaking trail, particularly in the lower elevations.
Snowpit attached from a SE aspect at 8500'. HS: 170.
ECTP15- 55cms down, at new/old interface.
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from 23 February email:
Northerly aspect, around 9900' on this avalanche photo from Woody Ridge attached.
The other, larger natural avalanche up Republic Creek that I mentioned observing today was also on a N, NW aspect, around 9900', but about 4 times as wide.
The Fin also had a relatively large natural avalanche on it too- low on the slope, skier's left.
Number caught
0
Number buried
0
Avalanche Type
Soft slab avalanche
Trigger
Natural trigger
R size
2
D size
2
Bed Surface
I - Interface between new and old snow
Problem Type
New Snow
Slab Thickness
65.0 centimeters
Images
Snow Observation Source
Slab Thickness units
centimeters
Single / Multiple / Red Flag
Multiple Avalanches
Advisory Year