Avalanche Forecast

Issued: Jan 20th, 2015 4:00PM

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

steve blagbrough, Parks Canada

Jasper.

The 'drought' continues with mild temperatures forecast for the end of the week.

Summary

Weather Forecast

Temperatures are forecast to rise into the weekend which is likely lead to an increased risk of solar triggered slides.

Snowpack Summary

A highly variable snowpack exists throughout the forecasting region. Moderate westerly ridge top winds are redistributing snow and creating wind slabs on north through east aspects.

Avalanche Summary

No avalanches were reported today.

Confidence

Problems

Wind Slabs

Moderate winds continue to redistribute snow creating wind slabs on lee aspects and cross loaded features.

Be careful with wind loaded pockets while approaching and climbing ice routes.Use caution in lee areas. Recent wind loading have created wind slabs.

Aspects: North, North East, East, South East, South, South West.

Elevations: Alpine, Treeline.

Likelihood

Possible

Expected Size

1 - 2

Persistent Slabs

The weak layer of surface hoar and facets from December can still be found and may become susceptible to triggering with more snow loading.

Be cautious as you transition into wind affected terrain.

Aspects: All aspects.

Elevations: Alpine.

Likelihood

Unlikely - Possible

Expected Size

1 - 2

Valid until: Jan 21st, 2015 4:00PM