Severe gusts attaining speeds of approximately 155km/h (96mph) have left approximately 90,000 households experiencing outages and forced officials to call off more than 100 flights, as reported by regional news sources.
These gusts are influencing the entire South Island and lower areas of the North Island, as stated by the weather forecasting body.
The nation's agencies have announced uncommon high-level wind alerts - the top caution category - in key areas encompassing Canterbury and Wellington.
People have been encouraged to remain inside, avoid travel, and make arrangements for more electricity and network failures.
Widespread Destruction and Emergency Response
The power cut is primarily influencing homes mostly in the South Island, though officials report that energy was being gradually reinstated.
Local media have indicated that in various locations structures have suffered roof damage, and trees and electricity poles have been knocked down by the gales.
Within the capital, a man was killed after being hit by a wooden fragment at a well-known hiking path on Tuesday.
Also in the capital, a individual was pushed toward approaching vehicles on a thoroughfare by a powerful blast, in a moment that was recorded in a widely shared car camera footage.
Aircraft services to and from the urban area have been cancelled due to the winds, and various routes and public facilities are shut down.
Meanwhile authorities in Canterbury have announced a crisis declaration, to facilitate recovery activities.
Work Stoppages Amid Harsh Conditions
The powerful gales on today occur while numerous of teachers, doctors and other public workers are engaged in what has been called a "mega strike", calling for improved salaries and workplace environments.
Yet the intense climate has pressured them to modify some of their plans, with several external protests shifted to interior venues or abandoned.
Like conditions are also sweeping Australia, causing a period of extreme heat to the remote areas.
Agencies have declared fire bans for apprehension regarding wildfires.