Intense winds hitting speeds of as high as 155km/h (96mph) have resulted in around 90,000 households lacking electricity and led authorities to halt more than 100 air travel services, based on regional news sources.
The gales are affecting the entire South Island and southern sections of the North Island, per the country's meteorological service.
New Zealand authorities have issued uncommon high-level wind alerts - the most severe warning - in core zones including these major districts.
Residents have been urged to remain inside, stay off roads, and make arrangements for further power and communication outages.
Widespread Destruction and Crisis Response
The electricity loss appears to be affecting households mostly in the South Island, though authorities report that energy was being gradually reinstated.
Domestic outlets have reported that in various locations structures have suffered roof damage, whereas utility poles and vegetation have been brought down by the winds.
Across Wellington, a individual was killed after being impacted by a falling limb at a well-known hiking path on Tuesday.
Meanwhile in Wellington, a individual was swept into moving cars on a thoroughfare by a strong gust of wind, in a moment that was recorded in a viral dashcam video.
Aircraft services to and from the urban area have been suspended due to the winds, and some roads and libraries are not operating.
Meanwhile local leaders have issued a state of emergency, to facilitate disaster response efforts.
Labor Protests Alongside Severe Weather
These intense gusts on Thursday come as many of school staff, physicians and civil servants are engaged in what has been called a "major walkout", requesting better pay and working conditions.
But the severe conditions has forced them to alter certain arrangements, with various open-air gatherings moved indoors or called off.
Like conditions are affecting the neighboring country, ushering in a heatwave to the remote areas.
Agencies have announced burning restrictions for concern about forest fires.
