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18 inches of snow, equalling 1.4" of SWE, measured at the Red Mountain Pass study plot over the storm. Winds were strong from the west and northwest. New snow drifts near ridgelines were 30-50 cms in depth, but were fairly unreactive to ski pressure. Sun was warming the new snow quickly on sunny and low elevation slopes, creating hot pow and glop conditions.
Red Mountain Pass
Skied on both the east and west side of Red Mountain Pass. Commadore area and lower parts of Red 3.
Avalanches
Loose avalanches being triggered by sun out of steep rocky terrain. All size 1 that I saw. A few storm snow avalanches triggered by new snow and wind, with the largest avalanche on an east slope near Black Bear Pass.
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Date | # | Elev | Asp | Type | Trig | SizeR | SizeD | Problem Type | Location |
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03/04/2025
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1 | <TL | N | SS | N | R1 | D1 | Storm Slab |
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Date and Time
03/04/2025 -
12:00pm
(estimated)
Location
37.897
-107.695
Area Description
Mill creek |
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03/04/2025
|
1 | >TL | E | SS | N | R2 | D2 | Storm Slab |
![]() |
|
Date and Time
03/04/2025 -
12:00pm
(estimated)
Location
37.897
-107.695
Area Description
Near Black Bear Pass |
Snowpack
The new snow fell on many different surfaces. I took a closer look at how the crust that developed during last weekend's warm up and how it is dealing with the new load. The crust under the new snow felt strong just under foot, but digging down it was only a few centimeters thick. Facet growth is prospering under that crust and is something we will be watching as this next round of heavy snow loads slopes. The new snow was bonding pretty well to the crust but snowpack tests showed moderate to hard failures on the facets below the crust. The 2/14 layer is still in the top meter of the snowpack and a layer to watch, but I did not get any failures in that area this go around, but not writing it off. In general, the snowpack in the Red Mountain Pass area tolerated Tuesday's cold snow but Thursday's warm storm will continue to test multiple buried weak-layers in the top meter of the snowpack.
Weather
Sun and warm in the AM. Clouds started to build around 3pm.