Powerful gales hitting velocities of approximately 155km/h (96mph) have caused around 90,000 properties lacking electricity and forced agencies to call off more than 100 air travel services, based on regional news sources.
These gusts are impacting the complete South Island and southern parts of the North Island, according to the country's meteorological service.
The nation's agencies have announced uncommon severe gust advisories - the highest alert level - in key areas encompassing Wellington and Canterbury.
Residents have been encouraged to avoid going outside, avoid travel, and prepare for further utility disruptions.
Extensive Damage and Crisis Measures
The power cut seems to be impacting residences predominantly in the southern region, while officials report that the electricity supply was being gradually reinstated.
Local media have reported that in some places homes have lost their roofs, and utility poles and vegetation have been toppled by the winds.
Within the capital, a individual was lost his life after being hit by a tree branch at a frequent walking route on Tuesday.
Also in the capital, a female was swept into oncoming traffic on a thoroughfare by a intensive burst, in a event that was filmed in a widely shared car camera footage.
Flights in and out of the urban area have been suspended because of the weather, and some roads and libraries are shut down.
At the same time Canterbury officials have announced a emergency situation, to facilitate disaster response efforts.
Labor Protests Alongside Harsh Weather
The powerful gales on Thursday occur while tens of thousands of educators, medical professionals and government employees take part in what has been called a "major walkout", calling for higher wages and enhanced employment terms.
However the severe conditions has pressured them to alter certain arrangements, with some outdoor rallies relocated inside or abandoned.
Similar gusts are affecting Australia, ushering in a high-temperature event to the remote areas.
Authorities have issued burning restrictions for fear of forest fires.
