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Issued at 25/07/2014 4:03pm. Valid till 26/07/2014 6pm

Tongariro

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
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:
Windslabs exist mainly on Slopes that face the Northerly 1/2 above 2000m. Although we have not had much new snow over the past 24 hours, the strong Southerly winds have continued to shift snow onto lee slopes. Some of these windslabs are now over 1m deep. These slabs are continuing to gain strength, but are not quite strong enough yet to put us down into the low danger rating. This problem seems to be situated in the Northern parts of the region. Southern areas have had a rime crust form on the surface which is helping hold this windslab firmly in place. With better weather in the forecast, it looks like this windslab problem will improve over the next few days.

Recent Avalanche Activity

Recent Avalanche Activity
Explosive testing at Whakapapa triggered a size 1 avalanche on a North East facing slope at 2150m. No new natural activity reported. A climber reported large shooting cracks on a North East aspect at 2100m above Tukino ski area yesterday.

Current Snowpack Conditions

Current Snowpack Conditions
Windslabs still exist on slopes facing the Northerly 1/2 above 2000m. There is a weak layer near the base of the slab which is slowly gaining strength. In Southern parts of the region, a rime crust has been forming on the surface, which has greatly improved the overall strength of the snowpack.

Mountain Weather

Mountain Weather
Any remaining snow showers should clear by mid morning on Saturday leaving a mix of fine and cloudy periods and moderate to strong South West winds.


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

Sliding Danger

Slide For Life
It will be icy on windward slopes

Forecast by Ryan Leong

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