Severe gusts attaining velocities of up to 155km/h (96mph) have caused around 90,000 households without power and compelled agencies to halt over 100 flights, as reported by regional news sources.
These gusts are impacting the entire southern region and lower areas of the North Island, per the national weather agency.
Officials in New Zealand have announced infrequent severe gust advisories - the most severe warning - in core zones including Canterbury and Wellington.
Locals have been encouraged to avoid going outside, refrain from journeys, and prepare for more utility disruptions.
Widespread Destruction and Emergency Response
The power cut appears to be affecting households mainly in the South Island, though authorities say that energy was being gradually reinstated.
Local media have indicated that in some places structures have suffered roof damage, and utility poles and vegetation have been knocked down by the gales.
Within the capital, a person was lost his life after being impacted by a falling limb at a well-known hiking path on Tuesday.
Also in the capital, a woman was swept into moving cars on a thoroughfare by a strong gust of wind, in a event that was filmed in a viral dashcam video.
Flights in and out of the metropolis have been suspended because of the winds, whereas various routes and public facilities are not operating.
Meanwhile authorities in Canterbury have announced a crisis declaration, to support recovery activities.
Labor Protests Amid Severe Weather
The wild winds on Thursday occur while many of educators, medical professionals and government employees are engaged in what has been described as a "significant labor action", requesting higher wages and enhanced employment terms.
However the severe conditions has compelled them to change certain arrangements, with various open-air gatherings moved indoors or abandoned.
Similar gusts are also sweeping Australia, causing a period of extreme heat to the country's outback.
Officials have declared flame prohibitions for apprehension regarding bushfires.
