Powerful winds attaining speeds of as high as 155km/h (96mph) have resulted in approximately 90,000 properties lacking electricity and compelled authorities to halt in excess of 100 air travel services, based on regional news sources.
The winds are influencing the complete southern region and lower areas of the North Island, as stated by the weather forecasting body.
The nation's agencies have released infrequent severe gust advisories - the top caution category - in central regions encompassing Wellington and Canterbury.
Residents have been urged to stay indoors, stay off roads, and prepare for further electricity and network failures.
Widespread Impact and Crisis Response
The power cut seems to be impacting homes mostly in the South Island, while agencies say that energy was being restored progressively.
Domestic outlets have indicated that in certain areas 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 wooden fragment at a popular trail walking spot on Tuesday.
Also in the capital, a individual was pushed toward moving cars on a road by a strong gust of wind, in a incident that was recorded in a viral dashcam video.
Flights to and from the metropolis have been suspended due to the winds, and some roads and libraries are also closed.
Simultaneously local leaders have issued a crisis declaration, to facilitate emergency management operations.
Labor Protests Amid Extreme Conditions
These intense gusts on Thursday come as tens of thousands of school staff, physicians and civil servants are participating in what has been termed a "major walkout", demanding higher wages and enhanced employment terms.
However the extreme weather has forced them to modify some of their plans, with several external protests moved indoors or abandoned.
Comparable winds are affecting the neighboring country, ushering in a heatwave to the remote areas.
Officials have issued flame prohibitions for fear of bushfires.