Jasper National Park Avalanche Forecast

Issued: Mar 22nd, 2021 4:00PM

Mon Mar 22nd Current Conditions
Alpine Moderate Treeline Low Below Treeline Low
Tue Mar 23rd 2 Day Outlook
Alpine Moderate Treeline Low Below Treeline Low
Wed Mar 24th 3 Day Outlook
Alpine Low Treeline Low Below Treeline Low

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

Small amounts of new snow are adding up to some great winter-like skiing.

Lookout for recent wind loading and sluffing in steep terrain.

Summary

Weather Forecast

Tuesday: Cloudy with sunny periods and isolated flurries. Precip: Trace. Alpine temperature: High -9 C. Ridge wind west: 15-35 km/h. Freezing level at valley bottom.

Wednesday: Cloudy with sunny periods and isolated flurries. Precip: Trace. Alpine temperature: Low -10 C, High -6 C. Ridge wind west: 15-35 km/h. Freezing level: 1500 metres.

Snowpack Summary

Up to 25cm new snow from convective flurries over past few days, redistributed by SW winds TL/ALP, overlies a variety of sun crusts on solar aspects up to ALP. The overall snowpack is variable at TL and above with a supportive strong 1F to P midpack in the deeper areas to a weak facetted midpack in shallow areas.

Avalanche Summary

Patrol in the Icefields area observed couple sz 1 wind slab avalanches in ALP wind loaded features.

Confidence

Problems

Wind Slabs

An icon showing Wind Slabs

Likelihood

Possible

Expected Size

1 - 2

Recently formed wind slabs can be found in lee features near ridge crests, and in cross-loaded gullies.

  • Be careful with wind loaded pockets, especially in steep confined alpine terrain.

Aspects:

All aspects.

Elevations:

Alpine.

Loose Dry

An icon showing Loose Dry

Likelihood

Possible

Expected Size

1 - 1

Enough new snow has fallen over the past few days to produce Loose Dry avalanches in steep terrain. Use caution in exposed or confined features where small avalanches can have high consequences.

Aspects:

All aspects.

Elevations:

Alpine.

Valid until: Mar 23rd, 2021 4:00PM

Forecast Trend

The latest forecast danger ratings, broken down to elevation. See how an elevation is trending.