Avalanche Forecast

Issued: Feb 28th, 2020 4:11PM

The alpine rating is considerable, the treeline rating is moderate, and the below treeline rating is low. Known problems include Wind Slabs.

Parks Canada Lisa Paulson, Parks Canada

Expect new windslab development overnight and Saturday. Otherwise - great skiing can be found in many locations!

Summary

Weather Forecast

Friday Night: Flurries (10-20 cm) with moderate to strong SSW winds. The higher amounts are for the Northern part of the region along the Divide.

Saturday/Sunday: Cooler temperatures with highs of -8C. Saturday night temperatures fall to -14, but climb to -11 C with lighter wind and a mix of sun and cloud forecasted for Sunday.

Snowpack Summary

Some wind effect and new wind slabs in lee areas of the alpine. 10-20 cm of recent snow over buried sun crusts on steep solar aspects. The Feb. 1 rain crust is down 20-50 cm and present below 1900 m. A dense snowpack with no significant weaknesses is present in most areas, but thin rocky areas have a faceted base.

Avalanche Summary

Isolated small thin wind slab in the immediate lees were reported today, otherwise no new avalanches were reported today.

Confidence

Intensity of incoming weather systems is uncertain

Problems

Wind Slabs

An icon showing Wind Slabs

With snow and SSW wind forecasted Friday night, new wind slabs will form in the lees of features.. These overlie the previously described thin wind slabs that have been reactive in isolated loations.

  • Pay attention to overhead hazards like cornices which could trigger slabs.
  • Be careful with wind loaded pockets, especially near ridge crests and roll-overs.

Aspects: All aspects.

Elevations: Alpine.

Likelihood

Likely

Expected Size

1 - 2

Valid until: Feb 29th, 2020 4:00PM