Intense winds attaining speeds of up to 155km/h (96mph) have resulted in around 90,000 households experiencing outages and forced officials to cancel more than 100 air travel services, according to domestic outlets.
These gusts are influencing the whole southern region and southern sections of the North Island, according to the country's meteorological service.
New Zealand authorities have released uncommon severe gust advisories - the most severe warning - in core zones encompassing Canterbury and Wellington.
People have been advised to stay indoors, refrain from journeys, and get ready for further electricity and network failures.
Widespread Destruction and Emergency Measures
The electricity loss appears to be affecting homes mostly in the southern region, although agencies report that the electricity supply was being slowly brought back.
Regional news have indicated that in various locations homes have lost their roofs, and power lines and trees have been brought down by the winds.
Within the capital, a man was lost his life after being hit by a wooden fragment at a frequent walking route on Tuesday.
Also in the capital, a female was pushed toward moving cars on a thoroughfare by a powerful blast, in a incident that was captured in a viral dashcam video.
Air travel entering and leaving the metropolis have been suspended as a result of the winds, while certain highways and community centers are not operating.
Simultaneously authorities in Canterbury have declared a state of emergency, to assist disaster response efforts.
Strike Action Amid Extreme Conditions
The wild winds on Thursday occur while tens of thousands of teachers, doctors and other public workers are engaged in what has been termed a "mega strike", calling for better pay and working conditions.
However the intense climate has compelled them to alter various scheduled activities, with some outdoor rallies shifted to interior venues or called off.
Like conditions are also sweeping the neighboring country, causing a heatwave to the nation's interior regions.
Agencies have issued fire bans for fear of forest fires.
