Lawinenlagebericht

Northwest Inland

Feb 27 – 28, 2019Avalanche Canada
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Archiviert · abgelaufen 8 years ago

Lawinengefahr

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

Kernpunkte

Winds continue to modify loose snow. Look for signs of instability as you gain elevation and transition into wind-affected terrain, the best riding will likely be found in sheltered areas with limited wind effect.

Lawinenprobleme

  • Wind Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Possible
    Größe
    1–2
    Winds continue to develop a variety of wind-affected surfaces. Wind slabs have formed around ridge features and cross-loaded areas, stronger winds may develop slabs lower in start zones and more sheltered terrain than expected.

Confidence

Moderate - Wind effect is extremely variable

Weather Forecast

WEDNESDAY NIGHT: Clear with cloudy periods. Alpine temperatures near -9C. Ridgetop winds 20-35 km/h gusting to 50 km/h from the east.THURSDAY: Mix of sun and cloud. Alpine temperatures near -8C. Ridgetop winds 10-25 km/h from the east-southeast.FRIDAY: Cloudy with sunny periods and isolated flurries, trace to 5 cm. Alpine temperatures near -15C. Ridgetop winds 20-30 km/h from the southeast.SATURDAY: Sunny. Alpine temperatures near -20C. Ridgetop winds 20-35 km/h from the east.

Avalanche Summary

There have been few snow and avalanche observations for this region recently.On Saturday, a small size 1 natural avalanche cycle was spotted in wind-pressed features and, on Sunday, small size 1 slabs were reactive to skier traffic. As well, loose dry snow was sloughing in steep terrain over the weekend.

Snowpack Summary

Variable winds have scoured ridges and developed wind slabs and a variety of wind-affected surfaces throughout the alpine and into treeline. Lower density snow can still be found in sheltered and lee terrain, and in most areas, the 20-50 cm snow collectively overlies hard, previously wind affected surfaces or crust on solar aspects. In selective sheltered areas, low density snow overlies facets and/or spotty surface hoar. A thin sun crust has formed on steep solar aspects.In the south of the region, the lower snowpack is well-settled. In the north of the region, around 50 cm of snow may overly a weak layer of surface hoar or faceted grains.

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