New Zealand Mountan Safety Council

Mackenzie

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Issued at 21/10/2017 2:33pm. Valid till 24/10/2017 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:
A Moderate danger of loose wet avalanches exist and could increase to include all aspects as the rain saturates the surface of the snowpack later on the weekend.

Secondary 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:
Close to the Divide and above 1700-1800m there will be an increasing hazard from windslab development lee to the West and NW. A lot will depend on the time of day that the new snow arrives. If early enough for it to land on a frozen surface from overnight cold temps the chance of a poor bond will be greater.

Recent Avalanche Activity

Recent Avalanche Activity
Multiple slabs to size 2 above 2400m lee to the West reported on the 15th, the only new events reported since have been small wet loose releases as temperatures have heated up.

Current Snowpack Conditions

Current Snowpack Conditions
Predominately wet grains with few layers throughout the park. With cold night time temperatures between showers there could well be a melt freeze cycle with the surface at least "locked up" in the morning. Close to the Divide and above 1800m there could be 2-20cm of new snow.

Mountain Weather

Mountain Weather
Strong Nor' Westers later in the weekend and into Monday with showers, sometimes bringing snow flurries as low as 1300m. Clear periods as well, particularly out east.


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

Sliding Danger

Slide For Life
With big diurnal temperature differences, this is the time of year to be taking ices axes and crampons with you as it can get very firm at night and first thing in the morning.

Forecast by Dave McKinley

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