New Zealand Mountan Safety Council

Mackenzie

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Issued at 17/12/2017 2:58pm. Valid till 20/12/2017 6pm

Aoraki/Mt Cook

Mountain
Current avalanche advisory
High Alpine

Above 2000 meters

Alpine

1000 to 2000 meters

Sub Alpine

Below 1000 meters

Avalanche Danger Scale
Avalanche Danger Scale
Report TutorialPrint Reporthear report

Primary Avalanche Danger

Dangerous Aspects
high
Danger Rose
2
Highest Danger Rating
Likelihood
indicator
gauge
Certain
Likely
Unlikely
Size
indicator
gauge
Largest
Small
Trend
indicator
gauge
Increasing
No change
Decreasing
Time of day
clock
Time of day
All day
Alpine level
High Alpine: Above 2000m
Alpine: 1000 to 2000m
Low Alpine: Below 1000m
Description:
Recent precipitation on and near to the Divide will have built up a windslab potential lee to the West and NW above 2500-3000m Although this concern will only affect the very highest bands in the Park, it may linger near ridgecrests near the Divide. Below this elevation the danger is LOW

Recent Avalanche Activity

Recent Avalanche Activity
No significant avalanches reported

Current Snowpack Conditions

Current Snowpack Conditions
Predominately wet grains and lower elevations on the glacier are down to last seasons old ice layers. At higher elevations there are buried graupel layers.
Late last week there was a 2-10cm new snow deposition which has, for the most part, settled out.

Mountain Weather

Mountain Weather
Cloudy periods with a few heavy rain showers/thunderstorms on Sunday night then clearing. SW winds could be strong at times and the freezing level is forecast to drop to 2200m by Tuesday night.


MetService
For more information go to: http://www.metservice.com/mountain/index

Sliding Danger

Slide For Life
As the freezing level starts to drop there will be places where the previously saturated snow will "lock up" and create a firm sliding surface in the mornings to take into account.
An ice axe and crampons are always a good idea if travelling in snow-covered terrain.

Forecast by Dave McKinley

Avalanche Forecast Regions:
Mountain Safety Council managed websites
Mountainf Safety Council websiteAdventure Smart websiteNew Zealand Avalanche Center