Wind Slabs
N
NE
E
SE
S
SW
W
NW
- Alpine
- Treeline
- Below treeline
- Likelihood
- Unlikely - Possible
- Size
- 1–2.5
Well defined wind effect and scouring in exposed areas at TL and the alpine. Triggering has the potential to initiate the deep persistent slab.
Avalanche forecast
View on mapJasper
Feb 27 – 28, 2020Parks Canada
Archived · expired 7 years ago
Avalanche danger
Fri
Sat
Alpine
2 · Moderate
Treeline
1 · Low
Below
1 · Low
Highlights
Notable variations in the snowpack, especially in the Alpine between north and southern regions of the Park. Natural activity is unlikely, rider triggering possible where the deep persistent slab problem is well defined.
Brazeau/Maligne open Feb 29th
Avalanche problems
Deep Persistent Slabs
NNEESESSWWNW- Alpine
- Treeline
- Below treeline
- Likelihood
- Possible
- Size
- 1.5–3
Skier triggering could occur in shallow snowpack areas or from large loads such a cornice failure. The consequences of triggering would be severe!
Weather Forecast
Westerly flow aloft may contribute to continued partly cloudy skies through the Jasper forecast regions, as another weak system pushes through BC. Flurries are expected through the day Thursday with very little accumulation.
Find the Alberta Rockies weather synopsis here: Mountain Weather Forecast
Snowpack Summary
Daily, trace amounts of new snow, spread irregularly over the region on old hard slab in the alpine. A thin rain crust present on all aspects at treeline; 1700m and below. The southern forecast region has a supportive mid-pack. Less supportive and poor bridging over a pronounced basal weaknesses in the north; Whistlers/Portal and soon, Maligne area
Avalanche Summary
No new avalanches were observed or reported. Forecast team in the Mt. Wilson zone, no sign of instability at TL and below.
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