First Avalanche of the Season Reported in New Zealand

Nathaniel Lewis | | Post Tag for AvalancheAvalanche
Ohau Ski Field. Credit: Fall Line

On July 5, a two-person avalanche involvement was reported in the Ohau backcountry in New Zealand. From the limited information available it seems to have occurred on a steep, wind affected aspect with ongoing wind loading. Out of the group of three, two people were buried but survived as the runout of the avalanche was into open terrain with no cliffs or rocks.

The end point of the avalanche debris. Credit: NZ Avalanche Advisory
New Zealand Avalanche Chart. Credit: NZ Avalanche Advisory

The avalanche was reported as a size 1.5 due to the possibility of burial and injury. The avalanche was 20 centimeters deep (7.8 inches) and 10 meters wide (32 feet) on a 35° slope. It ran for about 40 meters (131 feet) down the backcountry slope. The local ski patrol at Ohau said the reactive windslab hazard had elevated throughout the day, and that human-triggered avalanches were common on adjacent slopes at Ridge Crest. The overall avalanche danger on the day was low.

Image of the avalanche debris which also details wind-affected snow. Credit: NZ Avalanche Advisory

This is the first avalanche involvement recorded for the 2024 ski season in New Zealand. It is recommended to check the NZ Avalanche Advisory for the most up-to-date forecast before heading out. It is also encouraged to report any activity on their website under Public Observations. This will help with future forecasting.

New Zealand Avalanche Danger Scale. Credit: NZ Avalanche Advisory

 


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