Wind Slabs
N
NE
E
SE
S
SW
W
NW
- Alpine
- Treeline
- Below treeline
- Likelihood
- Possible - Likely
- Size
- 1–2
Wind slabs can be found on sheltered lee aspects in the alpine and if triggered could step down and release a larger slide.
Avalanche forecast
View on mapJasper
Mar 17 – 18, 2014Parks Canada
Archived · expired 13 years ago
Avalanche danger
Wed
Thu
Alpine
3 · Considerable
Treeline
3 · Considerable
Below
3 · Considerable
Highlights
Avalanche problems
Persistent Slabs
NNEESESSWWNW- Alpine
- Treeline
- Below treeline
- Likelihood
- Likely
- Size
- 1–3
Where wind slabs overly the February 10th facet layer very touchy conditions exist at tree-line and is borne out by numerous avalanche incidents in the last few days. The frequency of slabs stepping down to a deeper layer has increased dramatically.
Loose Dry
NNEESESSWWNW- Alpine
- Treeline
- Below treeline
- Likelihood
- Possible - Likely
- Size
- 1–2
The 35cm of snow that fell in the last day has been observed to travel far and fast when it fails. Loose snow slides are likely with any solar affect particularly at lower elevations.
Weather Forecast
Cooling trend with a few flurries before the next pulse of snow arrives on Wednesday night.
Snowpack Summary
The Columbia Icefields received 35cm of low density snow over the weekend. Prior to that the alpine was found to be scoured old snow or hard windslabs.
Avalanche Summary
Field patrols today observed the debris of 3 large avalanches from the weekend cycle. Failure layers appeared to be the February 10th layer on one and the basal facets on the other two larger slides which had been triggered by cornice collapse.