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Issued at 26/07/2014 4:42pm. Valid till 29/07/2014 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
Report TutorialPrint Reporthear report

Primary Avalanche Danger

Dangerous Aspects
high
Danger Rose
1
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
1pm - 3pm
Alpine level
High Alpine: Above 2000m
Alpine: 1000 to 2000m
Low Alpine: Below 1000m
Description:
Isolated slopes at upper elevations may have sufficient snow to produce avalanches. There is a remote possibility of wet snow avalanches on solar aspect in the afternoon. It is expected that any avalanche activity would be small.

Recent Avalanche Activity

Recent Avalanche Activity
No observations of avalanche activity.

Current Snowpack Conditions

Current Snowpack Conditions
Currently intermittent snow cover exists in the National Park below 2000m in the north and eastern parts of the national park. Specifically the northern end of the Travers and St Arnaud Range. It is expected that snow has been transported to north and eastern aspects during the last storm cycle that may have bought isolated slopes at upper elevations to threshold or a point that they have enough snow to produce an avalanche.
The south and western parts of the National part have more significant snow cover. Areas south and west of Travers Saddle such as Mt Mahanga Waiau Pass and the head of the Durville river have more snow cover on all aspects. The forecasting team has little information at this point from the snowpack in this part of the park. Little evidence of avalanche activity exist from the air but due to the shallow nature of the snow pack and the current clear and cold conditions this snow is likely to become progressively weak. Caution will be required after the next significant storm cycle. Watch this space!
Sunday and Monday weather conditions will see the possibility of wet loose avalanche conditions on solar aspects.

Mountain Weather

Mountain Weather
Clear weather during this weekend with continued strong winds forecasted from the south will see cooler day and overnight temperatures. There is a small possibility of snow showers late on Friday. This is unlikely to change the current avalanche conditions.


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

Forecast by Matt Wilkinson

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