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Observation: Chugach State Park

Location: Mt Magnificent / Eagle River

Date:
Observer:
Route & General Observations

Natural avalanche on SW face of Mt Magnificent following 1/8 N winds (sometime between 1400 1/8 and 1200 1/9). Estimate starting elevation around 3800′, ran to maybe 3300′. Some hoar-namented powder on N aspects below 3k’ escaped the maelstrom. Until… After a calm 1/9, winds kicked up stronger on 1/10 and converted the remainder to sastrugi and exposed tundra.
A few smaller naturals were also visible on similar aspects near ridgetops along N side of Eagle River valley.

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

1/8 1300: clear, cold; N/NE wind to 20mph+ above 3000', spindrift streamers from peaks, ridges.
1/9 1300: clear, cold, calm.
1/10 1300: clear, cold; strong (30mph+?), gusty N wind above tree line.

Snow surface

The works.

Snowpack

Hugely variable on N slopes, wind loaded S slopes near ridgetops. No pits or test.

Photos & Video
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