AVY Base

Nouvelle-Zélande · 05.11.2026

Fiordland

Niveau 2: 1800 m–et plus · Niveau 2: 1200 m–1800 m

Valable jusqu'au 06.11.2026 22:19

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Danger d'avalanche EAWS niveau 2

Limité

Indice de risque

2 — Limité

Stabilité du manteau neigeux

Le manteau neigeux n'est que modérément stabilisé dans quelques pentes raides, sinon en général bien stabilisé.

Probabilité de déclenchement des avalanches

Déclenchements d'avalanches possibles surtout par forte surcharge et dans quelques pentes raides, généralement décrites dans le bulletin. Des départs spontanés de très grandes avalanches ne sont pas à attendre.

Situations avalancheuses

  • Neige humide

    Neige humide

    Cette situation est liée à la déstabilisation du manteau neigeux du fait de la présence d'eau liquide. Cette dernière provient de la fonte de la neige et/ou de la pluie.

    Un bon timing et une planification sont importants. Tenez compte des zones d'arrivée des avalanches.

    Orientations concernées

    Nord-estEstSud-estSudSud-ouestOuestNord-ouestNord
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Stabilité

1st/2nd Nov - About 80-100mm of rain with FAFL around 2300m 31st Oct - 30 Oct - Snow showers leaving about 10 cm at 1100m and more above 29th Oct - Est 40-50cm at high elevations and less below, down to about 1300m with gale NW 28th Oct - There has been a lot of snowpack wasting in the past 3 weeks, and the snowpack is now like an early summer pack. The snow line sits around 1600/1800m on sunny aspect and 1500/1600m on shady aspects. it is a bit lower in the very heads of some valleys. Glide cracks are all over the place, especially between 1800m - 2100m. 26 Oct - 300-500mm of rain through the snowpack in 24 hours, with a FAFL around 2600m or higher. Finished off with a dusting on snow down to 1200m. 23 Oct - have had near a weak of fine weather. Snowpack is down-wasting quickly and has become settled.

Qualité de la neige

27 Oct - Very little evidence of natural avalanche activity after the 400/500mm rain event of the 26th of Oct. A lot of glide cracks between 1700-2100m on all aspects. 18 Oct - Evidence of loose wet sluffing out of high, steep terrain around the Milford Track area Fri 2nd October- public observation from Homer area, widespread natural activity in warm rain. Freezing level was about 2300m Mon 28th Sept - Some evidence of activity over the storm on Mon 27th. Pompolona ran to almost valley floor, sz 3-4 probably. Freezing level was about 2000m

Météo

Fiordland National Park Forecast for Thursday 5th November 2026Rain, with snow to 2500 metres in the afternoon.Wind at 1000 metres - Northerly 50 km/h, rising to gale 70 km/h in the evening.Wind at 2000 metres - Northerly 50 km/h, rising to gale 70 km/h in the evening.Freezing level - Above 3000 metres, lowering to 2700 metres for a time in the afternoon and evening.Issued: 11:35am Wed 4 Nov