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Whiteman Mountain area

Published
Jan 24th, 2018 3:30 PM
conrad
South Columbia
Details

Type

avalanche

Coordinates

50.740840, -115.456300

Quick Observation

We had some great skiing over the last two days but observed some very touchy avalanche conditions. Along with a lot of whumphing and cracking at all elevations including below treeline...we had a size 2 skier remote from a ridge 20m away at about 2250m on a NE slope at treeline. The slab was 120m wide, ran 150m and failed on a surface hoar/facet layer down 50cm. We also saw three large slab avalanches between size 2 and 3 in the last 24 hrs on NE aspects in the alpine and at treeline. All appeared to be caused by wind loading and possibly small cornice failures that resulted in failures on the persistent weak layers down 60-120cm. We stuck to well supported slopes or tree skiing without overhead hazard and enjoyed the fresh snow!

Avalanche Information

We had some great skiing over the last two days but observed some very touchy avalanche conditions. Along with a lot of whumphing and cracking at all elevations including below treeline...we had a size 2 skier remote from a ridge 20m away at about 2250m on a NE slope at treeline. The slab was 120m wide, ran 150m and failed on a surface hoar/facet layer down 50cm. We also saw three large slab avalanches between size 2 and 3 in the last 24 hrs on NE aspects in the alpine and at treeline. All appeared to be caused by wind loading and possibly small cornice failures that resulted in failures on the persistent weak layers down 60-120cm. We stuck to well supported slopes or tree skiing without overhead hazard and enjoyed the fresh snow!