Avalanche Forecast
Issued: Jan 13th, 2020 4:00PM
The alpine rating is , the treeline rating is , and the below treeline rating is Known problems include Wind Slabs and Loose Dry.
marcus waring,
Parks Canada
Low density snow and very light winds have been a rare treat in Waterton for the past two days. Be mindful of a rapidly building windslab hazard when the wind returns.
Summary
Weather Forecast
Tuesday: Mainly cloudy with flurries. 5cm of snow. Light East wind during the day becoming Moderate SW in the afternoon.
Wednesday: Cloudy with sunny periods and isolated flurries. Moderate SW wind
Thursday: Cloudy with sunny periods and isolated flurries.
Snowpack Summary
10-50 cm of light storm snow over a deteriorating windslab. New snow is producing loose dry avalanches in steep terrain but this will transition into surface Windslab Tues night. The Dec crust (present up to 1800m) is deteriorating with cold temps. The mid snowpack is well settled in deep areas but a weak facet/ melt freeze crust lurks at the base.
Avalanche Summary
No new avalanches observed.
Confidence
Problems
Wind Slabs
Be aware of the potential for rapidly developing windslabs due to the availability of cold, dry snow from recent storm. All aspects may be effected as the wind direction is variable through the forecast period.
- 937
- Use caution in lee areas. Recent wind loading has created fresh slabs.
Aspects: All aspects.
Elevations: All elevations.
Likelihood
Expected Size
Loose Dry
Watch out for fast-moving dry loose avalanches in steep terrain.
Aspects: All aspects.
Elevations: All elevations.
Likelihood
Expected Size
Valid until: Jan 16th, 2020 4:00PM
