Powerful gusts hitting velocities of approximately 155km/h (96mph) have caused nearly 90,000 homes lacking electricity and compelled agencies to halt more than 100 air travel services, according to domestic outlets.
These gusts are affecting the complete southern region and southern sections of the North Island, according to the national weather agency.
New Zealand authorities have released uncommon red wind warnings - the most severe warning - in core zones such as Canterbury and Wellington.
Residents have been encouraged to avoid going outside, stay off roads, and prepare for more electricity and network failures.
Widespread Damage and Emergency Response
The power cut appears to be affecting households mostly in the South Island, although authorities say that energy was being gradually reinstated.
Local media have reported that in various locations structures have suffered roof damage, while utility poles and vegetation have been brought down by the gales.
Across Wellington, a individual was killed after being hit by a wooden fragment at a popular trail walking spot on Tuesday.
Meanwhile in Wellington, a individual was pushed toward moving cars on a street by a powerful blast, in a moment that was filmed in a popular vehicle recording.
Flights in and out of the urban area have been cancelled as a result of the gusts, while some roads and libraries are not operating.
Simultaneously local leaders have announced a crisis declaration, to facilitate emergency management operations.
Work Stoppages Alongside Extreme Conditions
These intense gusts on Thursday occur while tens of thousands of teachers, doctors and other public workers are engaged in what has been termed a "major walkout", calling for improved salaries and workplace environments.
But the severe conditions has forced them to modify some of their plans, with several external protests relocated inside or called off.
Similar gusts are impacting Australia, bringing a high-temperature event to the nation's interior regions.
Agencies have announced fire bans for fear of bushfires.
