Severe gusts attaining speeds of as high as 155km/h (96mph) have left nearly 90,000 properties without power and forced officials to cancel more than 100 aircraft departures, based on domestic outlets.
These gusts are impacting the whole South Island and southern parts of the northern region, per the country's meteorological service.
New Zealand authorities have issued uncommon high-level wind alerts - the most severe warning - in core zones including Wellington and Canterbury.
Locals have been urged to remain inside, avoid travel, and get ready for further utility disruptions.
Widespread Destruction and Crisis Response
The power cut is primarily influencing residences mainly in the South Island, though agencies report that energy was being slowly brought back.
Local media have indicated that in certain areas structures have suffered roof damage, and utility poles and vegetation have been knocked down by the gales.
Across Wellington, a man was lost his life after being struck by a falling limb at a frequent walking route on Tuesday.
Also in the capital, a female was blown onto moving cars on a road by a strong gust of wind, in a moment that was captured in a viral dashcam video.
Air travel in and out of the urban area have been halted due to the gusts, whereas certain highways and community centers are shut down.
Simultaneously authorities in Canterbury have announced a emergency situation, to assist recovery activities.
Labor Protests During Extreme Conditions
The powerful gales on Thursday coincide with many of school staff, physicians and civil servants are participating in what has been called a "mega strike", requesting improved salaries and workplace environments.
However the intense climate has forced them to alter certain arrangements, with several external protests shifted to interior venues or abandoned.
Comparable winds are impacting the nearby nation, bringing a period of extreme heat to the nation's interior regions.
Agencies have declared fire bans for fear of bushfires.
