Avalanche Forecast South Rockies

Date Issued: Valid Until:

Avalanche Canada istorm, Avalanche Canada

Avalanche Forecast

Mon Mar. 11th · 5:04PM

Alpine

Danger Ratings Considerable

Treeline

Danger Ratings Moderate

Below Treeline

Danger Ratings Low

Problems

Storm Slabs Storm Slabs

Alpine

Danger Ratings Considerable

Treeline

Danger Ratings Moderate

Below Treeline

Danger Ratings Low

Alpine

Danger Ratings Moderate

Treeline

Danger Ratings Moderate

Below Treeline

Danger Ratings Low
Avalanche danger ratings assume15 cm, up to 20 cm of new snow. Higher snowfall or stronger winds could could increase hazards.

Confidence

Moderate - Timing, track, or intensity of incoming weather system is uncertain

Weather Forecast

MONDAY NIGHT: No precipitation. Moderate west winds.TUESDAY: Cloudy and light snow developing with 5 to 15 cm accumulations. Daytime treeline temperatures starting around -10 and warming to -3 C. Light to moderate northwest winds.WEDNESDAY: More snow is possible with upslope wind. Mix of sun and cloud. Temperatures a few degrees cooler with light to moderate northeast wind.THURSDAY:  Mix sun and cloud. Dry. Light to mod west wind. Treeline temperatures between -10 and -5 C.

Avalanche Summary

No recent avalanche activity has been reported.

Snowpack Summary

With snow and wind in the forecast, storm and wind slabs are likely to develop.Cold temperatures have transformed most of the snowpack into weaker faceted snow with few if any distinct layers, with the exception of alpine terrain where hard wind slabs and wind pressed snow are found near the surface.In deep snowpack areas, you may find a slab sitting above a layer of facets and surface hoar that was buried in mid-January and is now 30-60 cm deep. The layer is most prominent in the Elk Valley between 1600 m and 1900 m, but no recent avalanche activity has been reported on this layer.

Problems

Storm Slabs

Storm Slabs

Once new snow arrives, the best riding will be in wind protected areas at and below treeline.

Minimize exposure to overhead hazards, especially during periods of loading from new snow or wind.Watch for whumpfing, hollow sounds, shooting cracks or recent avalanches.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood

Possible

Expected Size

1 - 2