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Issued at 25/10/2014 8:56pm. Valid till 28/10/2014 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
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:
A storm over Saturday night was expected to deposit up to 40cm of snow above 2000m with Severe Gale NW. This wind will have redistributed the snowfall into sheltered areas of wind slab lee to the NW winds. Though large avalanches are not expected, the nature of the Darrans terrain means mid sized avalanches could travel long distances. If you are going into the high mountains plan your routes carefully as small avalanches have high consequences in this terrain. The avalanche danger from wind slab is expected to decrease on Monday before increasing again with the next weather system on Tuesday.

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
All day
Alpine level
High Alpine: Above 2000m
Alpine: 1000 to 2000m
Low Alpine: Below 1000m
Description:
More overnight rain below 2000m onto a snow pack that has already been well rain soaked from a series of warm NW’ters! Be observant during your travels, watch for obvious glide cracks, and be aware of their run outs. This includes the valley floors under big cliff faces.

Recent Avalanche Activity

Recent Avalanche Activity
No avalanches were observed within the new snow from the front that passed through overnight Thursday. There is still lots of evidence of areas where the snowpack is gliding, with cracks and buckling of the snowpack wide spead below 2000m

Current Snowpack Conditions

Current Snowpack Conditions
A spring snowpack dominates below 2000m. Above this the snowpack is still mostly cold and dry. Though the warm season means there is little snow below 1600m, the high alpine is as usual chocker.
The Kepler and the major passes on the Routeburn and Milford are clear of snow at present. This can change rapidly.

Mountain Weather

Mountain Weather
As last nights front passed over Fiordland, there were very strong winds from the NW and up to 40cm of snow above 2000m expected. This changed to lighter SW on Sunday morning. Monday looks great then another system makes landfall on Tuesday.


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