Intense gusts hitting velocities of approximately 155km/h (96mph) have left nearly 90,000 properties lacking electricity and led authorities to cancel over 100 aircraft departures, based on local media.
The gales are affecting the entire South Island and southern sections of the North Island, as stated by the weather forecasting body.
Officials in New Zealand have issued rare high-level wind alerts - the most severe warning - in key areas encompassing Canterbury and Wellington.
People have been urged to remain inside, refrain from journeys, and get ready for further utility disruptions.
Widespread Impact and Emergency Response
The power cut is primarily influencing households mainly in the southern region, though officials report that energy was being restored progressively.
Domestic outlets have indicated that in various locations structures have suffered roof damage, whereas trees and electricity poles have been toppled by the gales.
Within the capital, a individual was fatally injured after being impacted by a falling limb at a well-known hiking path on earlier this week.
Also in the capital, a female was pushed toward moving cars on a street by a intensive burst, in a incident that was captured in a widely shared car camera footage.
Aircraft services entering and leaving the metropolis have been cancelled as a result of the winds, whereas various routes and public facilities are not operating.
Simultaneously authorities in Canterbury have declared a emergency situation, to assist disaster response efforts.
Labor Protests Alongside Extreme Weather
The wild winds on Thursday occur while tens of thousands of school staff, physicians and civil servants are participating in what has been called a "major walkout", calling for better pay and working conditions.
But the intense climate has forced them to modify various scheduled activities, with various open-air gatherings moved indoors or abandoned.
Similar gusts are affecting the neighboring country, bringing a period of extreme heat to the country's outback.
Authorities have announced burning restrictions for concern about forest fires.
