Avalanche Forecast
Issued: Mar 21st, 2015 4:00PM
The alpine rating is Wind Slabs and Loose Wet.
, the treeline rating is , and the below treeline rating is Known problems includeWe may not have a good valley bottom freeze overnight into Sunday. Watch locally for solar effect as this will increase the avalanche danger. SH
Summary
Weather Forecast
Rain below 1800m Saturday night tapering off for Sunday Morning. 5-10cm in the alpine can be expected. Freezing levels to 1700m Sunday.
Snowpack Summary
Up to15cm of new snow from this storm in the alpine with moderate SW winds. Wind slabs up to 35cm deep are present in immediate lee areas of the alpine. The mid pack and base of the snowpack are well settled and well bonded overall. Isothermal snow below 2000m Saturday from rain.
Avalanche Summary
Numerous wet avalanches below treeline today in the afternoon due to heavy rains in the Little Yoho region.
Confidence
Problems
Wind Slabs
New wind slabs are starting to become more sensitive to human triggering on lee features at treeline and above. Cornices will also be a concern with the new snow and wind.
- Use caution in lee areas. Recent wind loading have created wind slabs.
- Watch for whumpfing, hollow sounds, and shooting cracks.
Aspects: North, North East, East, South East, South.
Elevations: Alpine, Treeline.
Likelihood
Expected Size
Loose Wet
Watch locally for sun affect as lower elevation slopes may be isothermal Sunday.
Aspects: North, North East, East, South East.
Elevations: Alpine, Treeline.
Likelihood
Expected Size
Valid until: Mar 22nd, 2015 4:00PM