Avalanche Forecast
Issued: Feb 14th, 2020 8:01AM
The alpine rating is , the treeline rating is , and the below treeline rating is Known problems include Storm Slabs and Loose Dry.
percy woods,
Parks Canada
Significant new input of snow in the last 24hrs. Watch for sensitive storm slab formation.
Summary
Weather Forecast
Periods of snow today with 5cm forecast. Ridge winds moderate westerly with an alpine high temp of -10C. Another 10-15cm of snow are forecast through to Saturday afternoon accompanied by moderate SW winds.
Snowpack Summary
30cm of storm snow overnight at our 1900m station with light to mod S-W winds. Expect new storm slab formation over previous wind effected snow as you transition into wind exposed terrain. Solar input Wednesday may have been sufficient to have form sun crust on steep solar aspects.
Avalanche Summary
A few avalanche detections overnight in the west end of the park on the Gunners slide paths. No new avalanches reported from the backcountry.
Confidence
Problems
Storm Slabs
30cm of storm snow in the last 24hrs at treeline with mod S-W winds. Expect soft storm slab with more potential for human triggering as you move into wind effected terrain.
- The new snow will require several days to settle and stabilize.
- Watch for signs of instability such as whumphing and cracking.
Aspects: All aspects.
Elevations: All elevations.
Likelihood
Expected Size
Loose Dry
30cm of storm snow will lead to loose dry slides in steep to extreme terrain. Avoid gulley features where small slides may form deeper deposits.
- Avoid exposure to sluffs from parties traveling above you.
Aspects: All aspects.
Elevations: All elevations.
Likelihood
Expected Size
Valid until: Feb 15th, 2020 8:00AM
