Alud

Timberline ski area vicinity: Salmon River canyon

Ryan MatzMt Hood
Ver en el mapa
Foto de la observación 1Foto de la observación 2Foto de la observación 3Foto de la observación 4Foto de la observación 5Foto de la observación 6Foto de la observación 7Foto de la observación 8Foto de la observación 9Foto de la observación 10Foto de la observación 11Foto de la observación 12Foto de la observación 13Foto de la observación 14Foto de la observación 15Foto de la observación 16Foto de la observación 17Foto de la observación 18Foto de la observación 19Foto de la observación 20

Quick report

Cracking
specific

Also observed a new rime/freezing mixed precipitation crust forming on snow surfaces on all aspects near and above treeline in the Timberline area. New, soft wind slabs in slightly wind sheltered lee terrain were touchy and relatively small, but actively growing. Generally 6-8” thick at 9:30 this morning. Stiffer new wind slabs also observed on lee slopes with more direct wind loading. These were stubborn, but would crack under skis if undercut by a skin track. While less likely to human trigger, they could produce a larger avalanche. New wind slabs were generally stiffer at higher elevations, 7,000’, compared the 6,000’ treeline area. All new wind slabs shared a layer of very low density snow as a weak layer at these elevations, 6,000-7,000’. This weak layer is likely the snow that fell yesterday on minimal wind.

Avalanche

Size
D1 R2
Type
SS
Aspect
E
Trigger
AS
Elevation
6500 ft

Easily triggered multiple small (D1) soft wind slab avalanches on test slopes.