Avalanche Forecast

Issued: Mar 2nd, 2015 4:00PM

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

barb sharp, Parks Canada

Jasper.

Ice climbers be aware of fragile pillars with the recent cold temperatures.

Summary

Weather Forecast

Temperatures will drop down to -30 in the forecast region overnight and into tomorrow morning with light to moderate north winds. Sunny skies will result in warmer temperatures throughout the day. By Wednesday the forecasted temperatures are expected to return to seasonal normals. No snow in the forecast.

Snowpack Summary

Up to 15cm of new snow fell in the forecast region in the past 24h. Under the new snow a variably supportive crust is present on solar aspects up to 2500m. A supportive mid pack consisting of rounded and facetted layers is bridging the weak depth hoar/facet layers that make up the lower snowpack.

Avalanche Summary

No new avalanches were observed or reported today. Limited observations.

Confidence

Due to the number of field observations

Problems

Deep Persistent Slabs

Caution around convexities or areas with a thin or variable snowpack.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood

Unlikely - Possible

Expected Size

2 - 3

Wind Slabs

Up to 15cm of recent snowfall and winds from the north have created reverse loading in the alpine.

Aspects: North, North East, East.

Elevations: Alpine.

Likelihood

Possible

Expected Size

1 - 2

Valid until: Mar 3rd, 2015 4:00PM