Severe winds hitting velocities of approximately 155km/h (96mph) have caused nearly 90,000 households lacking electricity and led authorities to cancel over 100 air travel services, as reported by regional news sources.
The gales are affecting the complete southern region and lower areas of the North Island, according to the weather forecasting body.
New Zealand authorities have issued infrequent severe gust advisories - the highest alert level - in key areas encompassing these major districts.
Residents have been encouraged to stay indoors, avoid travel, and prepare for further power and communication outages.
Widespread Destruction and Crisis Response
The electricity loss is primarily influencing households predominantly in the southern region, though authorities state that power was being gradually reinstated.
Local media have stated that in some places roofs have been ripped off houses, and trees and electricity poles have been toppled by the gusts.
Within the capital, a individual was fatally injured after being hit by a falling limb at a frequent walking route on Tuesday.
Also in the capital, a woman was pushed toward approaching vehicles on a thoroughfare by a strong gust of wind, in a incident that was filmed in a widely shared car camera footage.
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.
Meanwhile authorities in Canterbury have declared a state of emergency, to facilitate recovery activities.
Labor Protests During Harsh Weather
These intense gusts on today come as many of school staff, physicians and civil servants take part in what has been termed a "significant labor action", requesting better pay and working conditions.
However the extreme weather has compelled them to modify various scheduled activities, with several external protests relocated inside or cancelled.
Similar gusts are impacting the neighboring country, causing a high-temperature event to the nation's interior regions.
Agencies have declared burning restrictions for apprehension regarding wildfires.
