Bulletin d’avalanche

Arthur's Pass

New Zealand Avalanche Advisory
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Danger d’avalanche

High Alpine · above 1,800 m
2 · Modéré
Alpine · 1,200 m–1,800 m
1 · Faible
Sub Alpine · below 1,200 m
Sans niveau
Périmé — ce bulletin a expiré 2 months ago. Vous consultez des conditions passées, pas le bulletin en cours.

Points saillants

With a fine day tomorrow, the loose wet hazard will increase with radiation/sun on the slopes. Think about what's above you and poor runouts with lots of rock only just covered.

Problèmes avalancheux

  • Loose Wet

    • Toutes altitudes
    Probabilité
    Possible
    Taille
    1

    With the sun out tomorrow, the loose wet hazard will increase as the sun hits the slopes. Think about runouts and what's above you.

  • Wind Slabs

    • Toutes altitudes
    Probabilité
    Possible
    Taille
    2

    With 80+ cm of new snow above 2000m from earlier in the week, it has now had a few days to settle. Isolated pockets may still exist at higher elevations. Caution on steep unsupported slopes.

Recent Avalanche Activity

Nothing reported in the last few days. If you see anything, please report it in the public observations section of the NZAA website.

Current Snowpack Conditions

80mm of rain has fallen in Arthur's Pass in the last week, above 2000m, this will be 80cm of new snow with gale NW winds so expect mid slope loading. This has new had a couple of days to settle. This has fallen on thin coverage, just covering the rocks, below 1700m limyed snow cover. Most areas where below threshold before the storm, limited glaciers have had some early-season snow but have now been rained on with heavy rain and high freezing levels.

Mountain Weather

Some morning cloud clearing to fine. Winds Southeasterly 50 km/h, easing to southerly 30 km/h at night. Freezing level 700 metres, lifting to 1000 metres in the afternoon.

Sliding Danger

New snow is making soft conditions, ridge lines may be stripped of new snow and icy. Crampons and ice axe a good idea for ridge travel.

Forecast Confidence

High

  • We have a good understanding of the snowpack structure and confidence in the weather forecast.

New Zealand Avalanche Advisory (NZ Mountain Safety Council)

Régions couvertes