Intense gusts attaining velocities of up to 155km/h (96mph) have caused nearly 90,000 homes lacking electricity and led officials to halt more than 100 aircraft departures, as reported by local media.
The gales are affecting the complete South Island and southern parts of the northern region, as stated by the weather forecasting body.
The nation's agencies have issued infrequent severe gust advisories - the top caution category - in key areas such as Canterbury and Wellington.
Residents have been urged to remain inside, refrain from journeys, and prepare for additional utility disruptions.
Broad Impact and Crisis Response
The electricity loss is primarily influencing homes mostly in the South Island, although authorities say that energy was being slowly brought back.
Domestic outlets have reported that in various locations homes have lost their roofs, while utility poles and vegetation have been brought down by the gusts.
Within the capital, a man was killed after being struck by a wooden fragment at a frequent walking route on Tuesday.
Also in the capital, a individual was blown onto moving cars on a thoroughfare by a intensive burst, in a incident that was recorded in a viral dashcam video.
Air travel to and from the urban area have been cancelled as a result of the weather, while certain highways and community centers are shut down.
At the same time local leaders have issued a emergency situation, to assist recovery activities.
Strike Action Amid Extreme Conditions
The powerful gales on today coincide with many of educators, medical professionals and government employees are participating in what has been termed a "significant labor action", requesting better pay and working conditions.
But the intense climate has pressured them to alter certain arrangements, with several external protests moved indoors or cancelled.
Comparable winds are also sweeping Australia, ushering in a heatwave to the nation's interior regions.
Agencies have issued burning restrictions for apprehension regarding bushfires.
