New Zealand Mountan Safety Council

Fiordland

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Issued at 26/07/2016 10:09pm. Valid till 29/07/2016 6pm

Fiordland

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
3
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:
Snow from the northwest will be landing on a mixture of surfaces. This includes hard crusts on windward slopes and at higher elevations dense wind slab. The bond between layers may be weak, and at times periods of intense snow fall could easily overload the slopes. These stormy conditions are to last through to the weekend.

Secondary Avalanche Danger

Dangerous Aspects
high
Danger Rose
3
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:
Strong winds are forecast from the NW then changing to the SW closer to the weekend. Wind slab conditions may quickly develop as new snow get shifted on to slopes facing east and south east.

Recent Avalanche Activity

Recent Avalanche Activity
A few small natural avalanches observed, from above 1800m, mainly previous storm snow in northern Fiordland. Reports of little activity being evident from the last storm, in the east and south on Fiordland.

Current Snowpack Conditions

Current Snowpack Conditions
Above 1900m ish, pockets of wind slab sit on potentially weak layers from the early season. Particularly on south and southeast facing slopes. Windward slopes are scoured back to the crust. With the freezing level fluctuating, rain has soaked through the pack, possibly up to 170mm with new snow from the west overlaying this.

Mountain Weather

Mountain Weather
Stormy conditions forecast through to Saturday. Initially, strong NW winds and heavy precipitation for later on Wednesday. Then things shift more to the west and southwest with snow to low levels.


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

Forecast by Brenda George

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