Roger Greville, 58, died shortly after being rescued from the snow in Loch Linnhe in the Hector Mountains, south of Queenstown. He was in the area on a heli-skiing trip.
Nathan Watson, acting chief of the Mountain Safety Council, said that avalanche conditions in the Southern Alps were “moderate” after significant snowfall in recent days.
“It is possible to trigger avalanches in these conditions, so it is important to evaluate snow conditions and make route finding decisions carefully,” Watson told Businessinsider.com.
“Human-triggered loose snow avalanches are possible on steep slopes, particularly when the sun comes out and warms the surface of the snow.”
He also advised anyone heading into the snowy hills and mountains to check the weather and avalanche advisory forecasts.
Watson also said equipment such as an avalanche transceiver, shovel and probe should always be carried and that people should know how to use them correctly.
Greville is the seventh death as a result of an avalanche in New Zealand since 2005. No one was killed in 2014, despite 27 reported avalanches.