New Zealand Mountan Safety Council Avalanche Center
homeNew Zealand Avalanche ForecastsEducationResourcesDonateAbout usContact us

Mackenzie

YouTube

link arrowYouTube Channel

Be kept in the loop:
Email Sign up
Facebook
Twitter
YouTube
Join
MetService Getting the goods on the weather forecast is never easy. Get your mountain weather forecast right now!
Link ArrowMet Service
Issued at 2/08/2015 10:22am. Valid till 4/08/2015 6pm

Ohau

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:
Fresh windslab will be encountered on aspects and features lee the N/NW. In places this may overlie a firm crust, and runouts are likely to be rock studded, especially in the Ohau Range. Careful consideration of conditions is recommended, before committing to your line. Skier triggered avalanches, while not expected to be large, are likely. The danger will amplify over the next 24 hours as precipitation kicks in.

Recent Avalanche Activity

Recent Avalanche Activity
A report has been received of a skier triggered slab avalanche, size 2, SE aspect, on one of the entries to Lake Dumbell, in the back country near Ohau ski area. This occurred on 31 July.

Current Snowpack Conditions

Current Snowpack Conditions
Around 5-10cm of new snow fell above 1600m in the Ohau range, with about 30cm closer to the Divide overnight on the 31st. Recent NW winds have left exposed slopes and ridges stripped thin, and have created slab conditions on lee aspects, especially near ridge top. Snowpack observations made on August 1 at 2300m, SE aspect on Mt Mary, in the Ben Ohau Range indicate sensitive avalanche conditions. While just out of the forecast area, similar conditions are likely to be found elsewhere.

Mountain Weather

Mountain Weather
Gale NW winds continue, with a number of fronts stacking up in the Tasman. The first comes ashore Sunday night, bringing intense precipitation with snow above about 1600m, continuing though Monday and beyond...


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

Sliding Danger

Slide For Life
Sliding on hard surfaces continues to be a danger to back-country travelers with hard crusts and wind-scoured slopes throughout the forecast region.

Forecast by Ben Taylor

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