Lawinenlagebericht

South Rockies

Mar 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
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Kernpunkte

Warm and sunny weather may produce loose snow avalanches, especially on southerly aspects. The danger is rated for the warmest part of the day.

Lawinenprobleme

  • Loose Wet

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Possible
    Größe
    1–2
    Sunshine and air temperatures above 0 C can rapidly increase the likelihood of triggering loose wet avalanches.

  • Deep Persistent Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Unlikely - Possible
    Größe
    2–3
    Human triggering of large deep persistent slab avalanches remains possible; especially in rocky, alpine terrain with a shallow or highly variable snowpack depth.

Confidence

Moderate -

Weather Forecast

WEDNESDAY NIGHT - Mainly cloudy with isolated flurries, up to 5 cm / east wind, 20-40 km/h / alpine low temperature near -9 THURSDAY - A mix of sun and cloud / east wind, 10-20 km/h / alpine high temperature near -3 / freezing level 2000 mFRIDAY - A mix of sun and cloud / light east winds / alpine high temperature near -3 / freezing level 2100 mSATURDAY - A mix of sun and cloud / light west winds / alpine high temperature near 0 / freezing level 2100 m

Avalanche Summary

There have been no reports of avalanches in the past few days.

Snowpack Summary

A dusting of new snow now sits on a melt-freeze crust in most areas, thought it may sit on moist snow at lower elevations.The recent prolonged warm spell has transitioned the snowpack on sun exposed slopes in the alpine and all aspects at treeline and below toward becoming moist or wet throughout, during the heat of the day. In these areas that have entered spring conditions, the avalanche hazard will fluctuate greatly depending on the strength of the overnight freeze and how quickly the snowpack is warmed up each day. Check out this guide to managing avalanche hazard during spring conditions HERE.In areas that remained more sheltered from the heat, like northerly aspects in the alpine, there may still be a dry snowpack with a well settled slab sitting on weak facets (sugary snow).Lower down in the snowpack, the base is composed of weak facets.

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