Avalanche Forecast
Issued: Nov 21st, 2019 4:00PM
The alpine rating is , the treeline rating is , and the below treeline rating is Known problems include Wind Slabs.
Deryl Kelly,
Parks Canada
Low Ratings but questionable riding conditions. Cross loaded gulleys will threaten ice climbs from above.
Play Cautiously.
Summary
Weather Forecast
The ridge of high pressure will, over the next 3 days, flatten and move south. This will allow a strong westerly flow of cold moist air over the region for the weekend. For more details: Avalanche Canada's, Mountain Weather Forecast.
Snowpack Summary
Variable surfaces including temp/rain crust, hard wind press and loose snow sit above the November rain crust which goes 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
Previous strong winds transported old snow 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.
Confidence
Timing, track, or intensity of incoming weather system is uncertain on Sunday
Problems
Wind Slabs
Widespread wind effect in the alpine at ridgetops and possible in open areas at treeline.
- Be careful with wind loaded pockets, especially in steep confined alpine terrain.
- Use caution in lee areas. Recent wind loading has created wind slabs.
Aspects: North, North East, East, West, North West.
Elevations: Alpine, Treeline.
Likelihood
Expected Size
Valid until: Nov 22nd, 2019 4:00PM
