Avalanche forecast

Nelson Lakes

New Zealand Avalanche Advisory
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Avalanche danger

High Alpine · above 1,800 m
3 · Considerable
Alpine · 1,200 m–1,800 m
2 · Moderate
Sub Alpine · below 1,200 m
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Out of date — this forecast expired 2 days ago. You’re viewing past conditions, not the current bulletin.

Highlights

Wind slab danger will remain considerable on eastern-facing aspects, particularly above 1800m, as new snow is redistributed by gale-force winds from the westerly quarter.

Avalanche problems

  • Wind Slabs

    • All elevations
    Likelihood
    Likely
    Size
    2

    New snow is being redistributed by strong to severe gale winds from the westerly quarter. Wind slab danger is considerable in the high alpine. This issue may become more widespread while the freezing level remains at 1200m.

Recent Avalanche Activity

No observations have been possible during this current storm. Please provide any snowpack or avalanche observations using the link below. Thanks, Kaz, for the information about Robert Ridge! Everyone else can check out Kaz's observations using the link as well.

https://www.avalanche.net.nz/observations

Current Snowpack Conditions

Snow cover below 1800m is intermittent, especially on north and west-facing aspects. Cover above 1800m is consistent, particularly on south and east aspects. No significant weakness has been noted in the snowpack below 1800m. There are few observations of the strength of the snowpack above 1800m so continue to be cautious at upper elevations. Rain has saturated the snowpack below 1800m, which has refrozen. New snow continues to fall in the mid and high alpine accompanied by gale force winds from the westerly quarter.

Mountain Weather

Snow showers to 1600m. Westerly gales continue. Freezing level 1800m.

Sliding Danger

The snow will be hard where the wind has scoured off the new snow. An ice axe and crampons need to be carried for mountain travel.

Forecast Confidence

Moderate

  • We are uncertain due to a limited number of field observations.
  • We are uncertain due to the variability of wind effect on the snowpack.

New Zealand Avalanche Advisory (NZ Mountain Safety Council)

Regions covered