Parks Canada Deryl Kelly, Parks Canada

Jasper National Park Avalanche Forecast

Jan 13th, 2020 4:00PM

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

Dangerously Cold!

The CAA's Mountain Weather forecast now includes a more specific Alberta Rockies synopsis. It's a great day to geek out on weather data!

Summary

Weather Forecast

The jet stream has dipped to the south allowing arctic air to blanket the forecast area. On Wednesday a low passing to the south provides minimal precipitation to our region. By Friday the westerly flow starts to reemerge, finally displacing the cold air.

Snowpack Summary

Surface faceting at all elevations. Weakening midpack comprised of mixed forms and facets, bridging basal facets and DH. HS Average at TL: ~150cm.

Avalanche Summary

No new avalanches observed or reported

Confidence

Problems

Deep Persistent Slabs

An icon showing Deep Persistent Slabs

Likelihood

Possible - Unlikely

Expected Size

1 - 3

Numerous avalanches were observed throughout the region that failed to ground. Activity has tapered off but may be waiting for the human trigger.

  • Be aware of thin areas that may propogate to deeper instabilites.
  • Use caution on open slopes and convex rolls

Aspects:

All aspects.

Elevations:

All elevations.

Valid until: Jan 14th, 2020 4:00PM