Powerful gusts attaining speeds of as high as 155km/h (96mph) have resulted in approximately 90,000 households experiencing outages and compelled agencies to call off over 100 air travel services, based on local media.
The gales are affecting the complete South Island and southern sections of the North Island, as stated by the weather forecasting body.
New Zealand authorities have released infrequent high-level wind alerts - the top caution category - in central regions encompassing Wellington and Canterbury.
People have been urged to remain inside, refrain from journeys, and get ready for more utility disruptions.
Extensive Destruction and Crisis Response
The power cut seems to be impacting residences mostly in the southern region, although officials state that power was being slowly brought back.
Domestic outlets have indicated that in certain areas structures have suffered roof damage, whereas utility poles and vegetation have been toppled by the gales.
Within the capital, a person was lost his life after being struck by a wooden fragment at a popular trail walking spot on earlier this week.
Meanwhile in Wellington, a individual was blown onto oncoming traffic on a street by a intensive burst, in a moment that was recorded in a viral dashcam video.
Aircraft services to and from the city have been suspended as a result of the weather, whereas various routes and public facilities are shut down.
Meanwhile authorities in Canterbury have declared a crisis declaration, to facilitate emergency management operations.
Work Stoppages Alongside Extreme Conditions
These intense gusts on Thursday come as many of teachers, doctors and other public workers take part in what has been termed a "major walkout", demanding improved salaries and workplace environments.
But the extreme weather has pressured them to change various scheduled activities, with some outdoor rallies shifted to interior venues or called off.
Similar gusts are impacting the neighboring country, bringing a period of extreme heat to the country's outback.
Authorities have announced flame prohibitions for fear of bushfires.
