Bollettino valanghe

Nelson Lakes

New Zealand Avalanche Advisory
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Pericolo valanghe

High Alpine · above 1,800 m
2 · Moderato
Alpine · 1,200 m–1,800 m
2 · Moderato
Sub Alpine · below 1,200 m
Senza grado
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In sintesi

A lot of snow has been lost in the past 24 hours due to warm temperatures and rain. Above 2100 meters, we expect pockets of wind-loaded snow and wind slabs to have formed. More snow and rain at lower elevations are forecast overnight, increasing the likelihood of loose wet avalanches.

Problemi valanghivi

  • Loose Wet

    • Tutte le quote
    Probabilità
    Likely
    Dimensione
    1.5

    An increase in freezing level will result in loose wet avalanches running on all aspects below 2100m. Rain on snow is likely

  • Wind Slabs

    • Tutte le quote
    Probabilità
    Likely
    Dimensione
    1

    New snow, accompanied by strong winds, will result in wind slabs forming above 2100 meters on aspects leeward of the NW.

Recent Avalanche Activity

Suspect a loose wet avalanche cycle to have occurred with rain and warm temperatures.

Current Snowpack Conditions

Warm temperatures and rain as high as 2100 meters have significantly reduced snow depth below 1900 meters, bringing it below the threshold. Above 2100 meters, new snow accompanied by strong winds has loaded the higher elevation slopes in the park.

Mountain Weather

Showers turning to rain this evening, possibly heavy. Snow to 1700 metres.

Sliding Danger

Snow now covers all the main passes and tramping routes. Sliding into rock is a potential hazard. Ice axe and crampons should be part of your winter gear.

Forecast Confidence

Moderate

  • We are uncertain about forecast precipitation amounts.
  • We are uncertain due to variable freezing levels.

New Zealand Avalanche Advisory (NZ Mountain Safety Council)

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