Intense gusts attaining speeds of up to 155km/h (96mph) have resulted in around 90,000 properties without power and compelled authorities to call off over 100 aircraft departures, according to local media.
These gusts are affecting the complete South Island and southern sections of the North Island, per the national weather agency.
New Zealand authorities have released infrequent red wind warnings - the most severe warning - in central regions including Wellington and Canterbury.
Residents have been encouraged to stay indoors, stay off roads, and get ready for further electricity and network failures.
Extensive Impact and Crisis Response
The electricity loss seems to be impacting households predominantly in the southern region, though authorities say that power was being slowly brought back.
Local media have reported that in some places homes have lost their roofs, while trees and electricity poles have been knocked down by the winds.
Within the capital, a individual was killed after being impacted by a falling limb at a popular trail walking spot on Tuesday.
Additionally in the city, a woman was swept into moving cars on a road by a strong gust of wind, in a moment that was filmed in a popular vehicle recording.
Air travel to and from the urban area have been halted due to the winds, and some roads and libraries are shut down.
Meanwhile Canterbury officials have announced a crisis declaration, to support emergency management operations.
Strike Action Amid Harsh Weather
These intense gusts on Thursday come as tens of thousands of educators, medical professionals and government employees are participating in what has been described as a "significant labor action", demanding improved salaries and workplace environments.
But the severe conditions has compelled them to modify some of their plans, with some outdoor rallies shifted to interior venues or called off.
Like conditions are also sweeping the nearby nation, ushering in a high-temperature event to the remote areas.
Authorities have declared fire bans for apprehension regarding bushfires.
