Bollettino valanghe

Jasper

Dec 17 – 18, 2025Avalanche Canada
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Archiviato · scaduto 10 months ago

Pericolo valanghe

Fri
Sat
Alta quota
4 · Forte
Limite del bosco
4 · Forte
Sotto il limite
3 · Marcato

In sintesi

A widespread natural avalanche cycle will continue after this recent storm brought 60-80 cm to the Parker's area. Very conservative terrain selection is necessary in the days following this storm, with more snow and wind expected throughout the week.

Highway 93 is expected to reopen Wednesday, Dec 17th. Check 511 for updates.

Problemi valanghivi

  • Wind Slabs

    • Alta quota
    • Limite del bosco
    • Sotto il limite del bosco
    Probabilità
    Likely - Very Likely
    Dimensione
    1–3

    Winds have been in the extreme values and have considerably loaded lee features. Local terrain influences and changing wind directions may load non-typical locations.

  • Persistent Slabs

    • Alta quota
    • Limite del bosco
    • Sotto il limite del bosco
    Probabilità
    Possible - Likely
    Dimensione
    2–3.5

    Weaker facet layers are now buried deep within the snowpack.

  • Storm Slabs

    • Alta quota
    • Limite del bosco
    • Sotto il limite del bosco
    Probabilità
    Likely
    Dimensione
    1.5–3

    The storm from Saturday to Tuesday resulted in 60-80 cm of snow. Expect many slopes to be primed or overloaded resulting in high potential for natural and human triggered activity.

Confidence

High

Avalanche Summary

In the Parker's area there has been a widespread natural avalanche cycle up to size 3. Avalanche control from December 16th produced numerous size 1.5 to 2.5 wind slab and persistent slab avalanches. Natural activity is expected to continue with additional snow and wind throughout the week.

Snowpack Summary

Saturday to Tuesday's storm brought 60-80 cm of snow to the Parker's area along with strong to extreme winds which have loaded lee features. This brings the height of snow up to 160-170 cm in wind protected areas for this zone. Snow depth is up to 80 cm in the Maligne area. Weaker facet layers are now buried deeper in the snowpack.

Weather Summary

Up to 12 mm is expected for Wednesday morning with 25 km/h winds gusting to 70 km/h. Temps will drop to -10 °C in the afternoon. Another 10-15 mm is forecasted for Thursday and Friday.

Terrain and Travel Advice

  • Continue to make conservative terrain choices while the storm snow settles and stabilizes.

Regioni coperte