Powerful gales reaching speeds of approximately 155km/h (96mph) have caused around 90,000 households without power and led authorities to cancel more than 100 air travel services, as reported by domestic outlets.
These gusts are affecting the complete southern region and lower areas of the northern region, per the weather forecasting body.
The nation's agencies have announced infrequent red wind warnings - the highest alert level - in core zones such as Canterbury and Wellington.
Locals have been urged to stay indoors, avoid travel, and prepare for more power and communication outages.
Extensive Damage and Emergency Response
The electricity loss seems to be impacting residences mostly in the southern region, although authorities state that the electricity supply was being restored progressively.
Domestic outlets have stated that in certain areas roofs have been ripped off houses, and utility poles and vegetation have been knocked down by the winds.
Across Wellington, a person was lost his life after being struck by a tree branch at a frequent walking route on Tuesday.
Also in the capital, a woman was swept into moving cars on a road by a intensive burst, in a event that was recorded in a viral dashcam video.
Flights to and from the urban area have been halted due to the winds, while various routes and public facilities are not operating.
Meanwhile Canterbury officials have issued a emergency situation, to support emergency management operations.
Labor Protests Amid Harsh Weather
The powerful gales on Thursday occur while many of teachers, doctors and other public workers take part in what has been termed a "mega strike", calling for higher wages and enhanced employment terms.
But the severe conditions has forced them to alter various scheduled activities, with various open-air gatherings shifted to interior venues or called off.
Like conditions are also sweeping the neighboring country, ushering in a period of extreme heat to the nation's interior regions.
Officials have issued flame prohibitions for concern about wildfires.
