New Zealand Mountan Safety Council

Canterbury

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Issued at 25/09/2016 9:22pm. Valid till 27/09/2016 6pm

Mt Hutt

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:
A MODERATE danger rating exists for low volume storm slab activity over the next 20 hrs. Up to 5cm of new snow has fallen on Sunday evening with moderate NE winds. High volumes of new snow will be needed to combat the spring melt with lee slopes previously stripped back to rock in many areas. Cloud will remain in the hills over the coming days making snow evaluation and route finding difficult.

Recent Avalanche Activity

Recent Avalanche Activity
No new activity has been reported as we remain in the easterly cloud throughout the region.

Current Snowpack Conditions

Current Snowpack Conditions
A typical spring snow pack has been in effect for a few weeks. Periods of rain and high freezing levels has warmed the pack to 0 degrees. Little in the way of definitive layering is in existence. Overnight cooling has been locking up tie surface in a melt freeze cycle. Lower in the snow coverage wet loose snow crystals can be found. Temperatures will lower Sunday afternoon as snowfall begins.

Mountain Weather

Mountain Weather
After an overnight snow event, Monday may see freezing level rise and snow flurries turn to rain. It is expected freezing levels may reach up to 1900m. Winds will remain light to moderate and expect cloud to hang around.


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

Forecast by Ronan Maguire

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