Lawinenlagebericht

Little Yoho

Feb 11 – 12, 2026Avalanche Canada
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Archiviert · abgelaufen 8 months ago

Lawinengefahr

Fri
Sat
Hochgebirge
1 · Gering
Waldgrenze
1 · Gering
Unterhalb
1 · Gering

Kernpunkte

Despite the green brick, we have lingering concerns for persistent slabs in this area, where the snow is deeper, and a 20-40 cm slab may overlie the Jan 24 layer. The presence of a cohesive slab is the key part of this Problem, as the weak layer exists in many places, but the slab does not. It's the combination of both that makes the Problem.

Lawinenprobleme

  • Wind Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Unlikely - Possible
    Größe
    1–1.5

    Wind slabs may exist in the alpine on steep lee aspects resulting from south and west winds moving up to 15 cm of recent snow. Watch for drifted snow, and use any opportunities to test on small terrain features, and check the stability of the surface snow.

  • Persistent Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Unlikely
    Größe
    1–1.5

    A 10-30 cm slab over crusts and/or a surface hoar layer from Jan 24th is a problem that could catch users off guard in isolated locations just above, or just below treeline. Check the snowpack often: monitor the character and behaviour of the slab above this weak layer closely.

Confidence

Avalanche Summary

No new avalanches observed or reported.

Snowpack Summary

Up to 15 cm of recent snow has been blown into windslabs in alpine areas, but provides soft powder at treeline and below. Under this new snow lies a variety of crusts on solar aspects; dry snow on north aspects, and surface hoar/crust (Jan 24) down 15-30 cm around the treeline. Below this interface, the snowpack is generally strong and well settled.

Weather Summary

While the storm track continues to pound the north coast of BC, a ridge of high pressure mainly dominates the interior and the Rockies. A few residual cm of snow are expected overnight Tuesday, followed by a dry week ahead. Temperatures will be cool: -5 to -10, with light to moderate winds out of the southwest.

Terrain and Travel Advice

  • Wind slabs are isolated, but may remain reactive.
  • Approach steep and open slopes at and below treeline cautiously, as buried surface hoar may exist.

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