Lawinenlagebericht

Yukon

Feb 26 – 27, 2025Avalanche Canada
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Archiviert · abgelaufen 2 years ago

Lawinengefahr

Fri
Sat
Hochgebirge
2 · Mässig
Waldgrenze
2 · Mässig
Unterhalb
Keine Stufe

Kernpunkte

New snow and strong wind may form fresh and reactive wind slabs.

Be especially cautious on northerly facing slopes where the wind may have made deeper deposits of snow.

Lawinenprobleme

  • Wind Slabs

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

    Watch for pockets of wind slab in leeward and cross-loaded terrain, especially near ridge crests and rollovers.

Confidence

Moderate

Avalanche Summary

No recent avalanche observations reported.

No persistent slab avalanches have been reported since early February.

If you are traveling in the mountains consider posting to the MIN.

Terrain and Travel Advice

  • Watch for newly formed and reactive wind slabs as you transition into wind-affected terrain.
  • Use caution above cliffs and terrain traps where even small avalanches may have severe consequences.
  • Avoid shallow, rocky areas where the snowpack transitions from thick to thin.

Snowpack Summary

Up to 10 cm of new snow accompanied by strong southwest wind may build new wind slabs Wednesday. It sits over firm wind-affected surfaces in exposed areas or softer, faceted snow in sheltered terrain. A crust may exist on steep solar aspects.

A weak layer of facets and a crust from early December is buried 60 to 100 cm deep. This layer exists on all aspects up to 1750 m. This layer has not been active in producing avalanches or test results in several weeks and is generally not a concern at this time.

At the highway elevation, the snow depth is 120 cm, and in the alpine exceeds 200 cm.

Weather Summary

Tuesday Night

Partly cloudy with a trace of snow. 25 to 45 km/h southwest ridgetop wind. Treeline temperature -5 °C.

Wednesday

Mainly cloudy with 5 to 10 cm of snow. 20 to 50 km/h southeast ridgetop wind. Treeline temperature -3 °C.

Thursday

Cloudy with some sunny periods and 3 to 5 cm of snow. 45 to 75 km/h south ridgetop wind. Treeline temperature -2 °C.

Friday

Mix of sun and cloud with a trace of new snow. 10 km south ridgetop wind. Treeline temperature -2 °C.

More details can be found in the Mountain Weather Forecast.

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