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Issued at 31/10/2014 4:32pm. Valid till 3/11/2014 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
4
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 heavy rain to high levels will add weight and melt the dry snow that fell over the week. This is likely to trigger some larger avalanches. Travel is not recommended in the alpine due to the intense weather and high avalanche danger. Some avalanches may travel long distances. Avoid obvious, open avalanche paths and the base of cliffs in valley floor.

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:
As the tail end of the storm passes over the park, temperatures are forecast to drop with snow to low levels. The Severe Gale NW winds are forecast to shift to S and ease. The wind and snow to low levels will build wind slab from late Sunday into Monday. This will be hard to see in the poor visibility. The weather in the week looks good so it would be a good idea to wait for this to settle before venturing into the high alpine.

Recent Avalanche Activity

Recent Avalanche Activity
No avalanches reported in the last two days, however observations have been very limited.

Current Snowpack Conditions

Current Snowpack Conditions
The last week has seen a significant build up (1-2m) of snow above 1600m. This sits on top of a spring snowpack below 2000m, with widespread glide cracks and buckling. Above 2000m there is plenty of cold dry snow.

Mountain Weather

Mountain Weather
We are entering a significant weather event over the weekend with an outlook for Heavy Rain in Fiordland. There is a strong NW flow approaching the park tonight. This precedes an intense frontal system that is forecast to drop about 100-150mm of rain onto the area.
Severe Gale NW winds and a freezing level rising to 3000m will rinse all start zones. This should cool off late Sunday with snow down to 800m.


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

Forecast by Mark Austin

Mountain Safety Council
Avalanche Forecast Regions:
Mountain Safety Council managed websites
Mountainf Safety Council websiteAdventure Smart websiteNew Zealand Avalanche CenterNational Incedent Database website