Lawinenlagebericht

Jasper

Feb 11 – 12, 2025Avalanche Canada
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Archiviert · abgelaufen 2 years ago

Lawinengefahr

Thu
Fri
Hochgebirge
2 · Mässig
Waldgrenze
1 · Gering
Unterhalb
1 · Gering

Kernpunkte

Little has changed with the avalanche hazard in the last few days, and this "trend" is expected to continue.

If you're venturing out to enjoy the cold weather, be sure to pack some extra gear to stay warm if the unexpected happens.

Lawinenprobleme

  • Wind Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Unlikely - Possible
    Größe
    1–2

    10-20cm of soft snow has been redistributed into windslabs in lee features particularly at ridgetops. They appear to be stubborn to trigger but be sure to assess this before entering wind effected terrain. Watch for windslabs on all aspects as winds have been variable in direction.

  • Deep Persistent Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Unlikely
    Größe
    2–3

    A variety of crusts with facets above and below exist at the bottom of the snowpack. These layers are going to be with us for a long time and pose a low probability, high consequence situation if triggered.

Confidence

High

Avalanche Summary

No new avalanches have been observed in our region in the last few days.

Snowpack Summary

The 10-25 cm from Feb 1st, mostly redistributed by wind, sits over top of a weak layer consisting of temperature crusts, winds slabs, or faceted snow. The midpack is weak and faceted. The early season crusts are faceting and breaking down but continue to persist along with large depth hoar at the base. The snowpack at tree line is 70-130 cm in the Icefields area and 50 cm in the Maligne area.

Weather Summary

Tuesday

A mix of sun and cloud.

Precipitation: Nil.

Alpine temperature: High -18 °C.

Ridge wind north: 10-30 km/h.

Wednesday

A mix of sun and cloud.

Precipitation: Nil.

Alpine temperature: Low -21 °C, High -13 °C.

Ridge wind west: 10-30 km/h.

Terrain and Travel Advice

  • If triggered, wind slabs avalanches may step down to deeper layers resulting in larger avalanches.

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