New Zealand Mountan Safety Council

Mackenzie

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Issued at 21/09/2017 1:56pm. Valid till 22/09/2017 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
10am - 4pm
Alpine level
High Alpine: Above 2000m
Alpine: 1000 to 2000m
Low Alpine: Below 1000m
Description:
Small loose wet avalanches are likely to run Friday when the sun comes out to warm the new snow. Try not to put yourself into any kind of gulley or steep N facing terrain where wet debris from sun-soaked upper slopes could funnel down and take you out. (Think Annan couloir, Fyfes couloir, etc.)

Secondary Avalanche Danger

Dangerous Aspects
high
Danger Rose
1
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:
The risk of slab avalanching has probably by now retreated to just a few very steep unsupported slopes on glaciated or high elevation terrain.

Recent Avalanche Activity

Recent Avalanche Activity
Lots of small loose wet slides ran Monday and Tuesday when things warmed up after the last storm.

Current Snowpack Conditions

Current Snowpack Conditions
The region had rain to high elevations last week, but temperatures cooled off over the weekend bringing snow to low levels. Up to 60cms of new snow accumulation over the old rain wet snow was observed at 2000 near Nuns Veil on Tuesday. Exposed upper slopes suffered from strong southerly winds at the end of the storm on Monday night while warm temps Tuesday promoted quite rapid settlement in the pack lower down and on solar aspects. Up to 10 cms of new snow has fallen above 2000m today (Thurs) along with light variable winds.

Mountain Weather

Mountain Weather
Grey and drizzly in the village today with the freezing level at about 1800m.


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

Forecast by Trevor Streat

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