Powerful gusts reaching speeds of as high as 155km/h (96mph) have resulted in nearly 90,000 properties without power and compelled officials to call off in excess of 100 flights, based on local media.
The winds are impacting the complete South Island and lower areas of the North Island, according to the national weather agency.
Officials in New Zealand have released uncommon high-level wind alerts - the most severe warning - in key areas such as Canterbury and Wellington.
Locals have been encouraged to avoid going outside, refrain from journeys, and get ready for further utility disruptions.
Extensive Destruction and Emergency Measures
The electricity loss seems to be impacting households mainly in the southern region, though authorities state that the electricity supply was being slowly brought back.
Domestic outlets have reported that in some places structures have suffered roof damage, whereas trees and electricity poles have been brought down by the gales.
Within the capital, a man was fatally injured after being hit by a wooden fragment at a frequent walking route on Tuesday.
Meanwhile in Wellington, a female was pushed toward approaching vehicles on a street by a intensive burst, in a moment that was captured in a viral dashcam video.
Air travel to and from the urban area have been suspended as a result of the weather, and various routes and public facilities are shut down.
At the same time authorities in Canterbury have declared a crisis declaration, to support recovery activities.
Strike Action During Extreme Conditions
The powerful gales on Thursday occur while tens of thousands of teachers, doctors and other public workers are engaged in what has been called a "mega strike", requesting improved salaries and workplace environments.
Yet the intense climate has pressured them to modify some of their plans, with various open-air gatherings moved indoors or called off.
Like conditions are also sweeping the neighboring country, causing a heatwave to the remote areas.
Officials have declared fire bans for concern about bushfires.
