Powerful winds attaining speeds of as high as 155km/h (96mph) have resulted in nearly 90,000 properties without power and led authorities to call off over 100 aircraft departures, according to regional news sources.
The winds are influencing the entire South Island and southern sections of the northern region, according to the weather forecasting body.
The nation's agencies have announced rare severe gust advisories - the top caution category - in central regions encompassing Canterbury and Wellington.
People have been advised to remain inside, stay off roads, and prepare for further utility disruptions.
Widespread Impact and Crisis Response
The power cut is primarily influencing households predominantly in the southern region, though agencies report that the electricity supply was being slowly brought back.
Domestic outlets have indicated that in various locations structures have suffered roof damage, whereas power lines and trees have been toppled by the winds.
Within the capital, a individual was killed after being hit by a falling limb at a frequent walking route on Tuesday.
Additionally in the city, a woman was pushed toward oncoming traffic on a street by a powerful blast, in a event that was filmed in a widely shared car camera footage.
Aircraft services to and from the urban area have been suspended because of the winds, and some roads and libraries are shut down.
Meanwhile local leaders have declared a emergency situation, to facilitate recovery activities.
Strike Action Alongside Extreme Weather
The wild winds on this day occur while tens of thousands of educators, medical professionals and government employees are engaged in what has been called a "major walkout", calling for higher wages and enhanced employment terms.
However the extreme weather has compelled them to change some of their plans, with various open-air gatherings relocated inside or cancelled.
Comparable winds are impacting the nearby nation, ushering in a heatwave to the remote areas.
Agencies have announced burning restrictions for concern about wildfires.
