Intense gales reaching velocities of approximately 155km/h (96mph) have left approximately 90,000 homes without power and compelled officials to call off more than 100 air travel services, according to local media.
The gales are affecting the complete South Island and southern sections of the North Island, per the national weather agency.
Officials in New Zealand have released uncommon severe gust advisories - the highest alert level - in key areas such as these major districts.
Locals have been advised to stay indoors, stay off roads, and prepare for more electricity and network failures.
Broad Damage and Crisis Response
This outage is primarily influencing homes predominantly in the South Island, while agencies report that power was being slowly brought back.
Local media have indicated that in various locations structures have suffered roof damage, whereas trees and electricity poles have been brought down by the winds.
Across Wellington, a person was killed after being impacted by a tree branch at a well-known hiking path on Tuesday.
Also in the capital, a woman was blown onto approaching vehicles on a thoroughfare by a intensive burst, in a incident that was captured in a viral dashcam video.
Air travel to and from the urban area have been halted because of the gusts, whereas certain highways and community centers are not operating.
Simultaneously Canterbury officials have issued a state of emergency, to assist emergency management operations.
Labor Protests Amid Harsh Weather
These intense gusts on Thursday come as many of school staff, physicians and civil servants take part in what has been described as a "significant labor action", demanding higher wages and enhanced employment terms.
But the intense climate has compelled them to change various scheduled activities, with various open-air gatherings relocated inside or cancelled.
Comparable winds are affecting the neighboring country, bringing a high-temperature event to the nation's interior regions.
Authorities have issued burning restrictions for fear of bushfires.
