Intense gusts reaching velocities of up to 155km/h (96mph) have left nearly 90,000 households without power and forced authorities to cancel over 100 aircraft departures, based on domestic outlets.
The winds are influencing the complete South Island and lower areas of the northern region, as stated by the national weather agency.
Officials in New Zealand have announced uncommon severe gust advisories - the most severe warning - in core zones encompassing Wellington and Canterbury.
Locals have been advised to stay indoors, avoid travel, and get ready for more utility disruptions.
Broad Damage and Emergency Response
The power cut appears to be affecting homes mainly in the southern region, though officials say that the electricity supply was being restored progressively.
Local media have reported that in various locations roofs have been ripped off houses, while power lines and trees have been toppled by the gusts.
In Wellington, a person was killed after being struck by a tree branch at a frequent walking route on Tuesday.
Meanwhile in Wellington, a individual was pushed toward oncoming traffic on a street by a intensive burst, in a incident that was filmed in a widely shared car camera footage.
Flights to and from the metropolis have been halted because of the gusts, while various routes and public facilities are not operating.
At the same time authorities in Canterbury have declared a state of emergency, to assist emergency management operations.
Strike Action Alongside Extreme Weather
These intense gusts on this day coincide with numerous of educators, medical professionals and government employees are participating in what has been called a "major walkout", calling for higher wages and enhanced employment terms.
But the intense climate has forced them to alter certain arrangements, with various open-air gatherings relocated inside or called off.
Similar gusts are also sweeping the neighboring country, bringing a high-temperature event to the country's outback.
Agencies have issued fire bans for fear of bushfires.
