Intense winds hitting speeds of as high as 155km/h (96mph) have left approximately 90,000 properties without power and led agencies to call off in excess of 100 air travel services, as reported by domestic outlets.
The winds are influencing the whole South Island and lower areas of the North Island, according to the country's meteorological service.
New Zealand authorities have announced rare high-level wind alerts - the top caution category - in key areas encompassing Wellington and Canterbury.
Residents have been encouraged to remain inside, avoid travel, and make arrangements for further utility disruptions.
Widespread Impact and Emergency Response
The power cut is primarily influencing homes mainly in the southern region, while authorities report that the electricity supply was being gradually reinstated.
Domestic outlets have reported that in various locations roofs have been ripped off houses, and power lines and trees have been brought down by the winds.
Across Wellington, a person was lost his life after being struck by a falling limb at a frequent walking route on Tuesday.
Also in the capital, a individual was pushed toward oncoming traffic on a thoroughfare by a strong gust of wind, in a moment that was filmed in a viral dashcam video.
Flights to and from the urban area have been suspended due to the weather, while certain highways and community centers are shut down.
At the same time Canterbury officials have announced a state of emergency, to assist recovery activities.
Labor Protests Amid Severe Weather
These intense gusts on this day occur while numerous of school staff, physicians and civil servants are engaged in what has been described as a "mega strike", demanding better pay and working conditions.
Yet the extreme weather has compelled them to change certain arrangements, with various open-air gatherings moved indoors or abandoned.
Like conditions are also sweeping the neighboring country, ushering in a high-temperature event to the remote areas.
Authorities have announced burning restrictions for fear of forest fires.
