Powerful gales reaching velocities of approximately 155km/h (96mph) have caused nearly 90,000 properties without power and compelled agencies to cancel over 100 air travel services, based on domestic outlets.
These gusts are impacting the complete South Island and southern sections of the North Island, per the weather forecasting body.
New Zealand authorities have released uncommon severe gust advisories - the top caution category - in central regions encompassing Canterbury and Wellington.
Locals have been urged to remain inside, avoid travel, and make arrangements for further electricity and network failures.
Widespread Destruction and Crisis Response
The power cut is primarily influencing residences mainly in the southern region, although authorities report that power was being slowly brought back.
Domestic outlets have reported that in certain areas homes have lost their roofs, whereas trees and electricity poles have been knocked down by the winds.
In Wellington, a person was lost his life after being hit by a wooden fragment at a frequent walking route on Tuesday.
Meanwhile in Wellington, a woman was pushed toward oncoming traffic on a road by a powerful blast, in a incident that was captured in a viral dashcam video.
Aircraft services entering and leaving the city have been suspended as a result of the winds, and various routes and public facilities are also closed.
Simultaneously authorities in Canterbury have announced a crisis declaration, to facilitate emergency management operations.
Work Stoppages Alongside Harsh Weather
The wild winds on Thursday come as numerous of teachers, doctors and other public workers are engaged in what has been called a "significant labor action", requesting improved salaries and workplace environments.
Yet the severe conditions has compelled them to change some of their plans, with several external protests shifted to interior venues or cancelled.
Like conditions are affecting the neighboring country, ushering in a high-temperature event to the nation's interior regions.
Authorities have announced flame prohibitions for fear of forest fires.