New Zealand Mountan Safety Council

Nelson Lakes

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Issued at 1/10/2016 10:32pm. Valid till 3/10/2016 6pm

Nelson Lakes

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
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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:
There is a possibility of loose wet snow avalanches happening on all aspects below 2000m but especially the northern half while this weather system continues. The danger will be greatest at times of heavy down pours when rain may act as the trigger and a small wet avalanche may steep down to entrain the entire snow pack. Avoid steep start zones when the snow is unsupportive and uncohesive. Watch out crossing run out zones if the rain is heavy.

Recent Avalanche Activity

Recent Avalanche Activity
None observed.

Current Snowpack Conditions

Current Snowpack Conditions
The snow pack is well transitioned into a spring snow pack. Often hard after an overnight freeze in the morning and softening with heat from solar radiation. Rain thawed the snow pack over the weekend before last and caused loose wet snow avalanches and possibly ground release wet slabs where the snow pack sits over tussock or rock slab. This week has seen continued rain with a high freezing level so it is expected the snow pack will be becoming quite loose and uncohesive.

Mountain Weather

Mountain Weather
Periods of rain, sometimes heavy. Some snow overnight to 1800m. Freezing level around 2200m Northwest winds.


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

Forecast by Adrian Briggs

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