Intense gales reaching velocities of as high as 155km/h (96mph) have left around 90,000 homes lacking electricity and forced officials to halt in excess of 100 aircraft departures, as reported by local media.
The winds are influencing the complete southern region and lower areas of the northern region, as stated by the national weather agency.
New Zealand authorities have issued rare high-level wind alerts - the top caution category - in key areas including Canterbury and Wellington.
People have been urged to remain inside, avoid travel, and make arrangements for additional electricity and network failures.
Broad Damage and Emergency Response
The power cut is primarily influencing households mainly in the South Island, though officials report that energy was being restored progressively.
Local media have reported that in some places structures have suffered roof damage, while utility poles and vegetation have been knocked down by the gales.
Within the capital, a man was killed after being hit by a wooden fragment at a well-known hiking path on Tuesday.
Also in the capital, a individual was pushed toward approaching vehicles on a street by a strong gust of wind, in a event that was filmed in a widely shared car camera footage.
Air travel in and out of the metropolis have been halted as a result of the weather, whereas various routes and public facilities are also closed.
Simultaneously Canterbury officials have declared a crisis declaration, to facilitate recovery activities.
Labor Protests Alongside Extreme Conditions
The wild winds on Thursday come as tens of thousands of educators, medical professionals and government employees take part in what has been termed a "significant labor action", demanding better pay and working conditions.
Yet the extreme weather has pressured them to alter certain arrangements, with some outdoor rallies relocated inside or called off.
Like conditions are impacting the nearby nation, ushering in a period of extreme heat to the nation's interior regions.
Officials have announced burning restrictions for fear of forest fires.
