Intense winds hitting velocities of as high as 155km/h (96mph) have caused approximately 90,000 properties without power and compelled agencies to halt over 100 aircraft departures, according to regional news sources.
The gales are influencing the whole South Island and southern parts of the North Island, as stated by the weather forecasting body.
New Zealand authorities have announced rare high-level wind alerts - the top caution category - in core zones encompassing Canterbury and Wellington.
People have been encouraged to stay indoors, refrain from journeys, and prepare for more power and communication outages.
Widespread Impact and Crisis Response
This outage seems to be impacting households mainly in the southern region, although authorities say that power was being restored progressively.
Domestic outlets have reported that in certain areas roofs have been ripped off houses, and trees and electricity poles have been toppled by the winds.
In Wellington, a individual was fatally injured after being struck by a falling limb at a well-known hiking path on Tuesday.
Meanwhile in Wellington, a individual was swept into approaching vehicles on a street by a intensive burst, in a event that was captured in a viral dashcam video.
Flights in and out of the metropolis have been suspended because of the weather, while some roads and libraries are also closed.
Meanwhile Canterbury officials have announced a emergency situation, to facilitate recovery activities.
Labor Protests Amid Severe Weather
These intense gusts on Thursday occur while many of teachers, doctors and other public workers are participating in what has been termed a "mega strike", requesting improved salaries and workplace environments.
Yet the intense climate has compelled them to change some of their plans, with various open-air gatherings shifted to interior venues or cancelled.
Comparable winds are affecting the neighboring country, causing a period of extreme heat to the nation's interior regions.
Agencies have issued flame prohibitions for concern about forest fires.
