Avalanche Forecast
Issued: Mar 18th, 2020 4:00PM
The alpine rating is , the treeline rating is , and the below treeline rating is Known problems include Loose Wet and Deep Persistent Slabs.
Jasper Snow Safety,
Parks Canada
We are asking all backcountry travelers to keep their risk to an absolute minimum. Now is not the time for a backcountry accident, which will stress the capacity of our teams & the medical system. Enjoy the fresh air but restrain your activities.
Summary
Weather Forecast
You can expect crisp cold mornings with the afternoons warming up drastically when the sun comes out.
Wednesday evening the temps will drop to -20 with Light North winds.
Thursday-Saturday Partially sunny skies with no new snow expected. -6 as the high.
More detailed forecast at: Mountain weather forecast
Snowpack Summary
Snowpack continues to settle due to Diurnal conditions. Scoured from previous winds. Old hard slabs exists in the alpine and open tree line. More confidence in the southern snowpack. Cornices remain an overhead hazard,
The mornings can provide good travel on the melt freeze crust. By early afternoon the crust will start to break down.
Avalanche Summary
Numerous wet loose avalanches observed today on a road patrol today down the colmumbia icefields parkway on solar aspects.
Confidence
The weather pattern is stable
Problems
Loose Wet
This problem exists with day time warming and especially on solar aspects.
- Pay attention to sluffing off cliffs and steep solar terrain, signs of a warming snowpack.
- Minimize exposure to steep, sun exposed slopes when the solar radiation is strong.
Aspects: South East, South, South West, West.
Elevations: Treeline, Below Treeline.
Likelihood
Expected Size
Deep Persistent Slabs
This problem will require a large trigger, thin spots or rapid day time warming.
- Be aware of the potential for full depth avalanches due to weak layers at the base of the snowpack.
- Avoid shallow snowpack areas where triggering is more likely.
Aspects: All aspects.
Elevations: All elevations.
Likelihood
Expected Size
Valid until: Mar 19th, 2020 4:00PM
