Avalanche Forecast

Issued: Mar 6th, 2018 4:00PM

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

stephen holeczi, Parks Canada

Little Yoho.

Great ski and travel conditions exist right now! Watch for sluffing and newly formed wind slabs in steep terrain.

Summary

Weather Forecast

Lows around -10C and highs up to -3C for Wednesday with mainly cloudy conditions and little to no snow. Winds will be in the light to moderate range from the West. Warmer still on Thursday and Friday with some new snow (10-15cm) by Friday.

Snowpack Summary

Some wind effect in the alpine from light to moderate West winds. Sun crust on some steep solar aspects. 10-20 cm of storm snow sits over a firm mid-pack. The Jan surface hoar layers down 100-150 cm are rounding and inactive in tests. In shallow areas the deeper facet layers remain weak.

Avalanche Summary

No new avalanches were observed or reported in the Little Yoho area on Tuesday.

Confidence

Problems

Wind Slabs

Increasing West winds have moved new snow around in the alpine forming small slabs in lee areas. Watch for these especially in steep unsupported terrain where skier triggering may be possible.

Be careful with wind loaded pockets, especially near ridge crests and roll-overs.

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

Elevations: Alpine.

Likelihood

Unlikely - Possible

Expected Size

1 - 1.5

Valid until: Mar 7th, 2018 4:00PM