Field Report
Aspen - CO
Report Information
Not a very good but an adequate overnight freeze Thursday night led to supportably snow surfaces above 11,000 feet. The snow surfaces quickly began melting with the sunrise and was perfect skiing conditions, still supportable but wet and soft surface, by 9 a.m. By 10:00 a.m. the snow quickly became sticky and unsupportable. This in addition to several neaby natural wet avalanches from the past few days, mostly small but at least one D2, helped make the easy decision to stay off any consequential slopes over 40 degrees after 10:00 a.m.
Mount Sopris
Hiking the summer trail up to Thomas Lakes, then skinning up to Mt Sopris and back down the same way
Avalanches
Observed countless small Loose Wet avalanches and a few notable Wet Slabs that likely occurred within the last few days. One Wet Slab, the largest one i saw, was most likely triggered by a cornice fall.
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Date | # | Elev | Asp | Type | Trig | SizeR | SizeD | Problem Type | Location |
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05/28/2025
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1 | >TL | NE | WS | N | R2 | D2 | Wet Slab |
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Date and Time
05/28/2025 -
12:00pm
(estimated)
Location
39.199
-107.136
Start Zone Elevation
12,000 ft
Area Description
Hell Roaring Creek
Avalanche Comments
Likely triggered by cornice fall |
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05/29/2025
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1 | TL | NW | WS | N | R1 | D1.5 | Wet Slab |
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Date and Time
05/29/2025 -
12:00pm
(estimated)
Location
39.26
-107.148
Start Zone Elevation
11,600 ft
Sliding Surface
G
Area Description
Thomas Lakes Bowl |
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05/28/2025
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2 | >TL | N | C | N | R1 | D1.5 | Cornice Fall |
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Date and Time
05/28/2025 -
12:00pm
(estimated)
Location
39.199
-107.136
Start Zone Elevation
12,100 ft
Area Description
Hell Roaring Creek |
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05/29/2025
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1 | TL | N | WL | N | R1 | D1 | Loose Wet |
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Date and Time
05/29/2025 -
12:00pm
(estimated)
Location
39.258
-107.15
Start Zone Elevation
11,600 ft
Area Description
Thomas Lakes Bowl
Avalanche Comments
Gouging loose wet at the top of the slope ramping up onto the snow surface at the exit of a small couloir feature |
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Multiple Avalanches
Snowpack
Homogenous melt forms with a refrozen surface down about 15cm from the previous night. The snow surface started melting around 7 a.m. and remained stable until about 9:30 to 10:00 a.m.
Weather
Cool, calm morning quickly warming up after sunrise to a hot, mostly clear, calm day with a light breeze on the ridgeline.