New snow and strong winds have formed a fresh windslab. Wait for the snow to settle and bond before stepping out onto large terrain features.
Fresh snow and strong winds have created a reactive storm slab. Expect this to be most reactive in areas with wind loading like ridge top lee features. If triggered these avalanches may travel farther than expected on a buried crust.
Cornices grew substantially during the recent storm and are prominent on many ridgetops throughout the park. Limit the time you spend under them especially during rapid heating or cooling.
The new snow and wind caused a small natural avalanche cycle up to size 2.5 through the highway corridor on Tuesday. A field team was also able to easily trigger several size 1 storm slabs from steep terrain at treeline.
A widespread, natural avalanche cycle occurred up to size 3.5 on Thursday and Friday of last week during the atmospheric river. Explosive avalanche control also produced results up to size 4.
Check out pics from the recent avalanche cycle in the MIN Reports.
In the alpine, 100 - 150cm of recent snow was redistributed by strong winds.
At treeline and below 20cms sits on a thick crust that has moist snow below. Another crust from early March is buried 70-150 cm deep.
The Feb 9 and Jan 26 surface hoar layers are now buried 150-210 cm deep. These layers have become less active with the colder temperatures.
Expect a mix of sun & cloud as the dregs of the last system flushes out
Tonight Flurries. Snow 1-2cms. Alpine low -13°C. Winds W 35-50km/h. Freezing level (FZL) valley bottom
Thur Flurries. Snow 1-2cms. Alpine high -11°C. Wind W 30-55km/h. FZL 800m
Fri Mix of Sun/cloud/flurries. Snow 1-2cms. Alpine high -6°C. Wind SW 25-35km/h. FZL 1400m
Sat Mix of Sun/cloud/flurries. Snow 1-2cms. Wind SW 15-30km/h. FZL 1600m
