Severe winds hitting speeds of as high as 155km/h (96mph) have caused approximately 90,000 homes experiencing outages and compelled agencies to call off more than 100 air travel services, based on regional news sources.
The gales are influencing the entire southern region and southern sections of the North Island, per the weather forecasting body.
New Zealand authorities have released uncommon severe gust advisories - the top caution category - in central regions including these major districts.
Locals have been advised to remain inside, refrain from journeys, and get ready for more power and communication outages.
Broad Impact and Crisis Response
This outage appears to be affecting homes mostly in the South Island, although agencies say that power was being gradually reinstated.
Local media have stated that in various locations homes have lost their roofs, whereas trees and electricity poles have been toppled by the gusts.
In Wellington, a person was killed after being hit by a wooden fragment at a well-known hiking path on earlier this week.
Additionally in the city, a woman was pushed toward oncoming traffic on a thoroughfare by a powerful blast, in a incident that was captured in a widely shared car camera footage.
Flights to and from the city have been cancelled because of the winds, and various routes and public facilities are shut down.
At the same time authorities in Canterbury have issued a crisis declaration, to support recovery activities.
Strike Action Alongside Extreme Weather
These intense gusts on this day occur while many of teachers, doctors and other public workers take part in what has been called a "major walkout", requesting improved salaries and workplace environments.
But the extreme weather has pressured them to change certain arrangements, with various open-air gatherings relocated inside or abandoned.
Like conditions are affecting Australia, ushering in a high-temperature event to the nation's interior regions.
Agencies have declared burning restrictions for concern about forest fires.