Severe winds reaching velocities of approximately 155km/h (96mph) have caused nearly 90,000 households experiencing outages and led authorities to call off more than 100 flights, as reported by local media.
These gusts are influencing the whole southern region and southern sections of the North Island, as stated by the national weather agency.
Officials in New Zealand have announced rare red wind warnings - the top caution category - in core zones such as Canterbury and Wellington.
Residents have been encouraged to avoid going outside, refrain from journeys, and prepare for more utility disruptions.
Widespread Destruction and Emergency Response
The power cut seems to be impacting residences mainly in the South Island, though officials state that energy was being slowly brought back.
Domestic outlets have reported that in certain areas structures have suffered roof damage, and trees and electricity poles have been knocked down by the gales.
In Wellington, a individual was fatally injured after being impacted by a tree branch at a frequent walking route on Tuesday.
Additionally in the city, a woman was blown onto moving cars on a road by a strong gust of wind, in a moment that was captured in a popular vehicle recording.
Flights entering and leaving the metropolis have been halted due to the weather, while some roads and libraries are also closed.
Meanwhile Canterbury officials have announced a crisis declaration, to facilitate recovery activities.
Labor Protests Alongside Harsh Conditions
These intense gusts on today come as numerous of school staff, physicians and civil servants are engaged in what has been called a "significant labor action", requesting better pay and working conditions.
But the extreme weather has pressured them to modify various scheduled activities, with various open-air gatherings relocated inside or abandoned.
Comparable winds are also sweeping the nearby nation, causing a heatwave to the country's outback.
Agencies have declared flame prohibitions for apprehension regarding forest fires.