New Zealand Mountan Safety Council

Southern Lakes

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Issued at 21/09/2017 7:19pm. Valid till 22/09/2017 6pm

Wanaka

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
10am - 3pm
Alpine level
High Alpine: Above 2000m
Alpine: 1000 to 2000m
Low Alpine: Below 1000m
Description:
Loose, wet avalanche activity is a possibility on solar (North facing) slopes particularly, during the middle of the day. Pin wheeling and small point releases are signs that the surface is warming rapidly. If the snow under your skis or board is becoming very soft or slushy it is time to move to a cooler aspect.

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:
Isolated pockets of wind slab may still be encountered especially, on slopes in a North facing arc from East through to West above about 1400m.The bond between the recent snow and the old surface will be improving day by day. However, stay clear of ridge line entry points, convex rolls and other steep terrain if you find deposits of stiff, wind transported snow.

Recent Avalanche Activity

Recent Avalanche Activity
No substantial avalanches have been reported recently. Small (size 1) wet slides have been occurring on solar (North facing) slopes.

Current Snowpack Conditions

Current Snowpack Conditions
In general, the snow pack is stable. A large amount (1metre plus) of snow fell at upper elevations (above 2000m) last week but this has had time to settle out. Between 1000 and 2000m, the pack absorbed a significant amount of rain (at least 70mm) several days ago. The freezing level dropped last Friday night and as a consequence, hard crusts were widespread on Saturday. These crusts have since been covered by a layer of snow. Relatively warm temperatures over the past few days will be helping the bonding process.


Mountain Weather

Mountain Weather
Friday - mainly fine with light winds. An Easterly flow has produced long periods of poor visibility over the past couple of days. A wind shift on Friday should lead to much clearer skies.


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

Sliding Danger

Slide For Life
Hard crusts and patches of ice are common at the moment. It is a good idea to carry ski crampons and/or an ice axe and crampons.

Forecast by Simon Howells

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