Observation: Seward

Location: General Observation Seward and Moose Pass Area (Including Lost Lake Area)

Date:

February 10, 2020 6:02pm

Observer:

Alex McLain

Route & General Observations

Significant wind loading in the mountains around Seward, Lost Lake Area, and Moose Pass. Natural avalanche activity on South and SE facing slopes. Soft slab avalanches.

Red Flags

Red flags are simple visual clues that are a sign of potential avalanche danger. Please record any sign of red flags below.

Observer Comments

Wind loading observed upper and mid elevations.

Photos & Video

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Mount Benson (Seward Area) Wind loading Monday afternoon

Res Peaks southern area of Lost Lake (wind loading observed Natural slab avalanche activity) Marked in red.

Strong ‘outflow’ northwest winds on Mount Ascension on February 10th, the day of the avalanche. This area is just east of the accident site and above Lost Lake. Photo: Alex McClain

Mt Adair Lost Lake Area Northern part...windloading.

Mt. Madson Moose Pass Area. Natural Avalanche activity (South aspect lower elevation)

Location

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