Intense winds attaining velocities of as high as 155km/h (96mph) have caused around 90,000 homes lacking electricity and compelled officials to cancel over 100 flights, as reported by local media.
The gales are impacting the entire South Island and southern parts of the North Island, as stated by the national weather agency.
Officials in New Zealand have issued uncommon high-level wind alerts - the most severe warning - in core zones encompassing these major districts.
Locals have been advised to remain inside, refrain from journeys, and get ready for more utility disruptions.
Extensive Damage and Crisis Response
The power cut seems to be impacting households mainly in the southern region, although authorities say that energy was being gradually reinstated.
Regional news have reported that in various locations roofs have been ripped off houses, and utility poles and vegetation have been knocked down by the winds.
Within the capital, a man was fatally injured after being struck by a wooden fragment at a popular trail walking spot on earlier this week.
Also in the capital, a individual was pushed toward oncoming traffic on a thoroughfare by a intensive burst, in a incident that was filmed in a popular vehicle recording.
Air travel entering and leaving the city have been halted due to the gusts, and certain highways and community centers are not operating.
Meanwhile authorities in Canterbury have declared a crisis declaration, to assist disaster response efforts.
Labor Protests During Harsh Weather
These intense gusts on Thursday come as many of educators, medical professionals and government employees are engaged in what has been called a "major walkout", requesting higher wages and enhanced employment terms.
But the extreme weather has forced them to modify certain arrangements, with various open-air gatherings relocated inside or cancelled.
Similar gusts are also sweeping Australia, ushering in a period of extreme heat to the country's outback.
Officials have issued fire bans for fear of bushfires.
