New Zealand Mountan Safety Council

Fiordland

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Issued at 20/09/2017 3:05pm. Valid till 23/09/2017 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
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:
Now it's that time of the year where the sun climbs in the sky and extends its reaches into the once polar slopes. Watch during times of warming or heavy rain. Glide slabs have been active on all aspects below 2000m during last weeks warm rain, Watch for cracks opening up in the snow pack and keep safe on snow packs that sit on Tussock bed surfaces. The snow is very wet and heavy at present, and the below Wet slides could help initiate a wet slide avalanches. The Milford, Kepler and Routeburn track alpine sections are / have been very active with wet slide avalanches, be caution and choose your terrain travel cautiously. a Small wet slide could carry you into unfavourable 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 - 5pm
Alpine level
High Alpine: Above 2000m
Alpine: 1000 to 2000m
Low Alpine: Below 1000m
Description:
When the sun comes out today / tomorrow watch for loose wet slides on solar aspects above 1400-2200m, they will be small and slow moving, be caution about runs outs and what is above. They could be the trigger / add weight to the Wet slide activity that is starting up again, thanks to the warm Temps at present.

Tertiary 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:
Wind slab could be encountered above 2000m on slope lee to the Southern Half. With the warmer temps and fine weather this new wind slab is bonding to the lower snow pack.

Recent Avalanche Activity

Recent Avalanche Activity
Wide spread wet slides today once the sun starting heating things up. Observations from around the Milford Track. mainly size 1 wet slides and the odd size 2+ on sunny aspects between 1500 and 2000m.
And a few wet slides size 2's (one 3). on South to SW aspects 1800m that are just starting to see the sun.

Current Snowpack Conditions

Current Snowpack Conditions
The lower snow pack is well consolidated below 2400m, and the new snow from the weekend is starting to bond / slush off in the solar aspects.
Wet slides are becoming more wide spread / starting up in the once shady slopes that are now receiving sun.

Mountain Weather

Mountain Weather
FL 2400 lowering to 2000m tomorrow. Mainly fine through Wednesday with light Northerly winds.
Thursday: light rain Thursday FL 2000m
Friday: NW rain later in the day. FL 2000m






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

Forecast by Adrian Braaksma

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