Powerful gusts reaching speeds of up to 155km/h (96mph) have left approximately 90,000 homes without power and compelled agencies to cancel more than 100 flights, according to domestic outlets.
The winds are affecting the entire South Island and southern parts of the North Island, as stated by the national weather agency.
Officials in New Zealand have issued infrequent red wind warnings - the most severe warning - in key areas including Canterbury and Wellington.
Residents have been encouraged to avoid going outside, stay off roads, and get ready for additional utility disruptions.
This outage is primarily influencing residences mainly in the southern region, although officials say that power was being slowly brought back.
Local media have indicated that in various locations roofs have been ripped off houses, and power lines and trees have been toppled by the gusts.
Within the capital, a individual was killed after being hit by a wooden fragment at a frequent walking route on earlier this week.
Additionally in the city, a woman was blown onto moving cars on a road by a intensive burst, in a moment that was filmed in a popular vehicle recording.
Air travel to and from the urban area have been suspended because of the gusts, and various routes and public facilities are shut down.
Simultaneously local leaders have declared a state of emergency, to assist recovery activities.
The wild winds on Thursday coincide with many of teachers, doctors and other public workers are engaged in what has been described as a "major walkout", demanding better pay and working conditions.
However the extreme weather has forced them to alter some of their plans, with some outdoor rallies moved indoors or abandoned.
Like conditions are affecting the nearby nation, causing a high-temperature event to the remote areas.
Officials have issued burning restrictions for fear of wildfires.
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