New Zealand Mountan Safety Council

Mackenzie

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Issued at 20/09/2017 7:57am. Valid till 21/09/2017 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
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:
Lingering storm slab instabilities could persist in a few isolated spots in very steep terrain.

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
9am - 3pm
Alpine level
High Alpine: Above 2000m
Alpine: 1000 to 2000m
Low Alpine: Below 1000m
Description:
There is a good chance that we will see some solar avalanching on N facing slopes when the sun comes out today.

Recent Avalanche Activity

Recent Avalanche Activity
Lots of small loose wet slides ran Monday and Tuesday when things warmed up after the last storm. a few small slabs on Se aspects spotted.

Current Snowpack Conditions

Current Snowpack Conditions
The last storm started off warm and wet with rain as high as 2700m before slowly cooling off. Up to 60 cms storm snow accumulation was observed at 2000m near nuns veil yesterday on top of dense wet snow. The new snow has bonded well to the older wet stuff. Resistant shears within the storm snow at about 40cms down were observed but are likely to bond quickly. Warm temperatures in the afternoon resulted in rapid settlement of the new snow. Snow cover remains very good despite the rain.

Mountain Weather

Mountain Weather
Low cloud this morning at Mt Cook, hopefully clearing to give us a bit more fine weather before the Northerlies kick in later this afternoon


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