Valanga

Gunnison

Zach GuyGunnison
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 18Foto dell’osservazione 19Foto dell’osservazione 20Foto dell’osservazione 21Foto dell’osservazione 22Foto dell’osservazione 23Foto dell’osservazione 24

Weather

cloud cover: broken; wind loading: previous; recent snowfall (cm): 30; snow avail for transport: small smounts

Snowpack

Hasty crown profile of today's remote trigger: 40 to 55 cm slab (F+ to 4F-) above F hard facets (1-1.5 mm). The recent storm made up the top half of the slab.   Alpine looks wind BLASTED, and I'm sure slabs are much stiffer up there.  . Once we got off of an older skin track set yesterday, we experienced constant collapses/shooting cracks. Collapses seemed to rumble further as we gained elevation (where the slabs are a bit stiffer and thicker) and would span entire slopes. One remote triggered slide. These instabilities were all failing about 2 feet deep on the 11/30 facet layer near the ground.

Avalanche

There was evidence of a cycle of small soft slabs on the shady side of the Slate (northerly to east aspects N/BTL) - mostly D1-1.5, one D2 on Schuylkill Ridge. Many of the crowns are disguised now by continued snowfall and wind drifting; I only documented the more obvious ones. The crowns that we looked at up close failed as persistent slabs on old snow near the ground; though I'm guessing some activity also failed as storm/wind slabs at the density change that formed early in the storm. The Ruby Range remained socked in, but I saw one large-ish (D1.5 or D2?) avalanche on a SE aspect of Baldy and another on the west side of Baldy. There was a trio of very fresh-looking persistent slab crowns this afternoon in Red Lady Bowl below the skintrack (E aspect NTL) that I speculate were remotely triggered today.