Severe winds reaching velocities of as high as 155km/h (96mph) have caused approximately 90,000 households without power and compelled officials to call off over 100 air travel services, as reported by domestic outlets.
These gusts are impacting the whole southern region and lower areas of the northern region, according to the national weather agency.
New Zealand authorities have announced rare high-level wind alerts - the highest alert level - in central regions including Canterbury and Wellington.
People have been advised to remain inside, refrain from journeys, and get ready for additional electricity and network failures.
Extensive Destruction and Crisis Response
The power cut appears to be affecting residences mostly in the South Island, though officials report that the electricity supply was being slowly brought back.
Local media have reported that in various locations homes have lost their roofs, while trees and electricity poles have been knocked down by the winds.
In Wellington, a man was fatally injured after being struck by a wooden fragment at a frequent walking route on Tuesday.
Also in the capital, a female was pushed toward moving cars on a street by a powerful blast, in a event that was recorded in a popular vehicle recording.
Flights to and from the urban area have been suspended due to the gusts, and some roads and libraries are not operating.
Meanwhile local leaders have declared a crisis declaration, to assist recovery activities.
Work Stoppages During Harsh Conditions
These intense gusts on Thursday coincide with tens of thousands of teachers, doctors and other public workers are participating in what has been described as a "major walkout", requesting improved salaries and workplace environments.
Yet the intense climate has compelled them to change certain arrangements, with various open-air gatherings moved indoors or called off.
Similar gusts are impacting Australia, ushering in a heatwave to the nation's interior regions.
Authorities have announced burning restrictions for apprehension regarding bushfires.
