Severe winds hitting velocities of approximately 155km/h (96mph) have resulted in nearly 90,000 households without power and forced authorities to call off more than 100 air travel services, based on domestic outlets.
These gusts are impacting the complete southern region and southern sections of the northern region, per the weather forecasting body.
The nation's agencies have issued infrequent red wind warnings - the highest alert level - in core zones encompassing Canterbury and Wellington.
People have been advised to stay indoors, avoid travel, and make arrangements for further utility disruptions.
Extensive Impact and Crisis Measures
The power cut seems to be impacting households mostly in the South Island, while authorities state that energy was being restored progressively.
Regional news have reported that in various locations roofs have been ripped off houses, whereas power lines and trees have been brought down by the gusts.
Within the capital, a man was lost his life after being struck by a tree branch at a popular trail walking spot on earlier this week.
Additionally in the city, a woman was blown onto moving cars on a road by a strong gust of wind, in a moment that was filmed in a widely shared car camera footage.
Air travel in and out of the city have been cancelled as a result of the gusts, and various routes and public facilities are not operating.
Meanwhile authorities in Canterbury have issued a state of emergency, to facilitate recovery activities.
Work Stoppages Alongside Severe Conditions
The powerful gales on Thursday coincide with tens of thousands of educators, medical professionals and government employees are engaged in what has been called a "major walkout", demanding better pay and working conditions.
But the intense climate has forced them to modify certain arrangements, with several external protests relocated inside or cancelled.
Like conditions are affecting the neighboring country, causing a high-temperature event to the remote areas.
Agencies have issued burning restrictions for concern about forest fires.