Lawinenlagebericht

Jasper

Apr 29 – 30, 2015Parks Canada
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Archiviert · abgelaufen 11 years ago

Lawinengefahr

Fri
Sat
Hochgebirge
Keine Stufe
Waldgrenze
Keine Stufe
Unterhalb
Keine Stufe
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Kernpunkte

Up to 30cm of new snow up high (above 2100m) around the forecast region, forming a touchy storm slab on lee aspects. Winter is temporarily back in the mountains.

Lawinenprobleme

  • Cornices

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Unlikely - Possible
    Größe
    1–3

  • Storm Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Possible - Likely
    Größe
    1–3
    Storm slabs on lee aspects in the alpine will be touchy as they are sitting on harder surfaces.

  • Loose Wet

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Likely
    Größe
    1–2
    Natural loose wet activity expected during the heat of the day, particularly on steep solar aspects.

Weather Forecast

Weather models tend to agree that we are in for more of the same wet and cool weather for the next several days. Snow will continue to fall in the alpine and whipped around by moderate winds from the west.

Snowpack Summary

Up to 30 cm of new snow in the alpine today is sitting on a supportive melt-freeze crust/mid-pack. Uncertain how well it is bonding to crusts. Deep weak layers dormant when temperatures are below freezing but may be triggered as temperatures rise and increased load.  Snowpack is weak below tree line and isothermal in many locations.

Avalanche Summary

Widespread storm slabs forming in the alpine with this new dump of snow. Numerous loose wet avalanches expected with rain at tree line and below,

Confidence

Abgedeckte Regionen