Lawinenlagebericht

Glacier

Mar 6 – 7, 2022
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Archiviert · abgelaufen 5 years ago

Lawinengefahr

Mon
Tue
Hochgebirge
2 · Mässig
Waldgrenze
2 · Mässig
Unterhalb
1 · Gering

Kernpunkte

Some sneaky storm slabs are still reactive to skier triggering in isolated locations- assess convex rolls carefully.

Expect some bumpy, refrozen snow for travel in the morning on solar slopes and all aspects below treeline!

Lawinenprobleme

  • Loose Dry

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

    The March sun has some punch, and may trigger loose snow avalanches on solar aspects during the heat of the day.

  • Storm Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Unlikely - Possible
    Größe
    1–2.5

    Storm slabs buried a mix of surfaces; firm windslabs in all open terrain, sun crust on steep solar aspects below treeline, and small surface hoar and facets in sheltered areas.

Weather Forecast

We are into a cooling/drying trend after our warm wet weather from earlier this week, with high pressure building over Rogers Pass.

Tonight: Cloudy with clear periods. Low -11*C. Moderate N wind.

Sun: Mix of sun and cloud. Low -11*C, High -8*C. Light W wind.

Mon: Flurries, trace accumulations. High -8*C. Light W wind with moderate gusts.

Snowpack Summary

Fluctuating temps have settled the upper snowpack & created a surface crust below 1500m (higher on solars).

Up to 45cm of snowfall early in the week with warm temps and a brief wind spike, created storm slabs over the Feb 26th interface - wind effect in open areas, small surface hoar and facets in sheltered terrain, and sun crust on steep solars.

Avalanche Summary

A possible skier accidental size 1.5 slab avalanche occurred in the top of the Teddy Bear trees area today.

Several size 1-1.5 loose snow avalanches have been triggered by the sun on steep slopes at all elevations over the past few days.

Confidence

The weather pattern is stable

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