Valanga

Front Range

Rich Rogers
Vedi sulla mappa
Foto dell’osservazione 1Foto dell’osservazione 2Foto dell’osservazione 3Foto dell’osservazione 4Foto dell’osservazione 5Foto dell’osservazione 6Foto dell’osservazione 7Foto dell’osservazione 8Foto dell’osservazione 9Foto dell’osservazione 10Foto dell’osservazione 11Foto dell’osservazione 12Foto dell’osservazione 13Foto dell’osservazione 14Foto dell’osservazione 15Foto dell’osservazione 16Foto dell’osservazione 17Foto dell’osservazione 18

Weather

Strong NW wind blowing snow ATL in the AM, warm for Feb., few clouds streamed by mid-day.

Snowpack

Below treeline(NE), the snowpack is mostly cohesionless. Near and above treeline, wind and persistent slab structures can be found on isolated leeward slopes. Snowpack test results(HS:140cm) showed propagating failure mid-pack under a newly formed slab among strong and weak persistent layers. A previous pit(1/29, HS:110cm) in the same location showed non-propagating failures due to a lack of a cohesive slab.

Avalanche

Recently reported. Small(~30'x20'), loose dry, directly below drifted ridgeline.