Wind Slabs
N
NE
E
SE
S
SW
W
NW
- Alpine
- Treeline
- Below treeline
- Likelihood
- Possible
- Size
- 1–2
Widespread wind effect in the alpine at ridgetops and possible in open areas at treeline.
Avalanche forecast
View on mapJasper
Nov 19 – 20, 2019Parks Canada
Archived · expired 7 years ago
Avalanche danger
Wed
Thu
Alpine
2 · Moderate
Treeline
1 · Low
Below
No rating
Highlights
Strong winds have sculpted and stripped open features at TL and above.
Avalanche problems
Weather Forecast
Forecasted light precipitation has eased off for Tuesday with some clearing expected through the week to Thursday. Seasonal temperatures, low - 8/ high - 4 at TL. Alpine winds continue from the W and SW in the moderate ranges. For more details: Avalanche Canada's, Mountain Weather Forecast.
Snowpack Summary
Variable surfaces including temp/rain crust, wind press and loose snow sit above the recently developing November rain crust which may go as high as 2200m. Total snow pack height in alpine is around 45-85 cm. Wind pressed/scoured features to wind slabs in lee features in the high alpine. Cross loaded gulleys may threaten ice climbs from above.
Avalanche Summary
Strong SW winds transporting variable HST through the high alpine peaks and ridge tops. Hazard can be expected to increase in isolated areas where wind effect and loading is visible. No natural activity observed or reported in the forecast region.