Intense gusts attaining speeds of as high as 155km/h (96mph) have caused nearly 90,000 homes experiencing outages and led authorities to cancel more than 100 flights, according to local media.
The winds are affecting the complete South Island and southern sections of the North Island, as stated by the national weather agency.
New Zealand authorities have released uncommon severe gust advisories - the most severe warning - in core zones including Canterbury and Wellington.
People have been urged to remain inside, avoid travel, and prepare for more power and communication outages.
Extensive Impact and Emergency Response
This outage is primarily influencing homes mainly in the South Island, while officials report that the electricity supply was being gradually reinstated.
Local media have indicated that in some places homes have lost their roofs, while power lines and trees have been toppled by the gales.
In Wellington, a person was killed after being struck by a falling limb at a popular trail walking spot on Tuesday.
Additionally in the city, a woman was pushed toward approaching vehicles on a road by a strong gust of wind, in a event that was filmed in a viral dashcam video.
Aircraft services to and from the metropolis have been cancelled due to the winds, and certain highways and community centers are not operating.
Simultaneously local leaders have announced a crisis declaration, to support recovery activities.
Work Stoppages Amid Harsh Conditions
The powerful gales on Thursday occur while numerous of teachers, doctors and other public workers are participating in what has been termed a "mega strike", demanding better pay and working conditions.
Yet the severe conditions has compelled them to modify some of their plans, with various open-air gatherings relocated inside or abandoned.
Comparable winds are impacting the nearby nation, causing a period of extreme heat to the remote areas.
Agencies have declared flame prohibitions for apprehension regarding wildfires.
