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Issued at 24/11/2014 4:27pm. Valid till 27/11/2014 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:
These hard to predict, high consequence avalanches are likely at high elevations where the snowpack has not been excessively heated by solar radiation or previously rinsed by the Fiordland rain. The danger will increase over Tuesday, persist for Wednesday, and then reduce in the cooler temperatures later in the week. These may be large and destructive, and travel a long way in the steep Fiordland terrain. Avoid lingering in the obvious open terrain at the base of cliffs.

Secondary 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:
Expect the high freezing levels combined with the intense rainfall to melt the snow surface and release Wet Loose avalanches. Later in the week new snow heated by the strong spring sun will also be unstable on solar aspects. If you are in boot top snot, then it's time to be on the rock or find somewhere to wait it out.

Recent Avalanche Activity

Recent Avalanche Activity
Natural avalanches were still being reported on the 23rd. These were isolated, about size 2-3 and assumed to be Wet Slab from witness reports. These were also in the mid elevation band where there are extensive glide cracks.

Current Snowpack Conditions

Current Snowpack Conditions
The snowpack below 2300m has been well wetted by the last heavy rain to pass over the park. There are widespread glide cracks below this elevation. Above this there is still some new snow though the high temperatures and intense solar radiation over the past couple of days should have start a melt freeze cycle up high as well.

Mountain Weather

Mountain Weather
Tuesday: Heavy Rain Warning in place 100-140mm, Strong NW, Freezing level rising to about 3600m before lowering to 2200m late in the day.
Wednesday: Rain (about 30-40mm) with snow lowering to 1000m and gale NW.
Thursday: Rain with thundery falls, winds W going SW, freezing level lowering to 900m.


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

Sliding Danger

Slide For Life
No slide danger what so ever! However the risk of drowning in swollen rivers is High!

Forecast by Mark Austin

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