Observation: Summit

Location: General Observation Summit Lake

Date:
Observer:
Alex McLain Professional
Red Flags
Red flags are simple visual clues that are a sign of potential avalanche danger. Please record any sign of red flags below.
Obvious signs of instability
Recent Avalanches?Yes
Collapsing (Whumphing)?No
Cracking (Shooting cracks)?No
Observer Comments

Wind loading on South and East facing slope. Natural Avalanche activity on S and E aspects across the Seward District from Summit Lake south to Seward.

Weather & Snow Characteristics
Please provide details to help us determine the weather and snowpack during the time this observation took place.
Weather

Summit Lake: Clear, Windy, current temperature 20F. Past 24 hours Low -15F High 20F. Snow Depth 29"
Summit Lake (3800') Current Temperature 5F. Past 24 hours Low 1F High 10F.
Wind NW-NNW 10-24mph Gust to 32 MPH.
Active Wind loading today.

Photos & Video
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Small Slab avalanche possible cornice break.  

Colorado Peak Avalanche from Manitoba Parking Area  

Colorado Peak 2nd avalanche to the south of Lower Summit Lake.  

2nd Avalanche Debris field.  

Gilpatrick Avalanche  

Summit Peak Avalanche  

Tenderfoot Ridge Avalanche (Lower on the slope in steep terrain)  

Active windloading 230pm.  

Location


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