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Issued at 6/07/2015 4:07pm. Valid till 9/07/2015 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
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:
Strong winds for the westerly quarter and intermittent snow overnight on Monday will continue to create the possibility of slab avalanches. This danger will be slow to resolve due to on-going cold air temperatures. Avalanches would be small, on steep eastern aspects and isolated to ridge line. Care is required in steep gullies and slopes on eastern half aspects above 1700m during Tuesday where sufficient snow exists.

Recent Avalanche Activity

Recent Avalanche Activity
Welcome to the 2015 winter!! Great to see you are tuning into Avalanche.NET and starting to think snow snow snow!!
Little activity is evident from the air currently and sufficient snow for avalanche activity is predominantly at upper elevations on the eastern half aspects.
Few observations have been possible during the last week.

Current Snowpack Conditions

Current Snowpack Conditions
Snow is continuing with strong wind from the westerly quarter with increasing intensity into Sunday evening and Monday. 15 to 20cm of new snow has fallen at Rainbow ski area in the last 24hours and a further 20 to 25 com is forecasted for Sunday night and Monday morning. Substantial wind transportation occurred above 1700 metres during Sunday and this is forecasted to continue through Monday. This will see an increase in storm slab avalanche danger.
There is less snow cover in the North and Eastern ranges of the National Park at present with isolated slopes to threshold in the St Arnaud range. This storm is likely to help increase snow coverage significantly on eastern aspects.

Mountain Weather

Mountain Weather
Winter is starting to dig in!
Snow showers becoming isolated in the morning during Tuesday, then clearing in the afternoon with increasing fine spells. The wind will ten to the south. Freezing level dropping to 400m during the day. Brrrrrrrr.


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