Severe winds hitting velocities of up to 155km/h (96mph) have resulted in around 90,000 homes experiencing outages and compelled officials to halt more than 100 flights, according to local media.
These gusts are impacting the complete South Island and southern sections of the North Island, per the national weather agency.
New Zealand authorities have announced uncommon high-level wind alerts - the highest alert level - in key areas such as these major districts.
People have been encouraged to stay indoors, refrain from journeys, and make arrangements for additional utility disruptions.
Broad Damage and Crisis Measures
The power cut is primarily influencing homes mainly in the southern region, although authorities say that power was being gradually reinstated.
Regional news have indicated that in some places structures have suffered roof damage, while utility poles and vegetation have been brought down by the gales.
Within the capital, a individual was fatally injured after being struck by a tree branch at a frequent walking route on Tuesday.
Also in the capital, a female was pushed toward approaching vehicles on a street by a strong gust of wind, in a incident that was filmed in a popular vehicle recording.
Flights entering and leaving the urban area have been suspended because of the weather, whereas some roads and libraries are not operating.
Simultaneously authorities in Canterbury have declared a state of emergency, to facilitate recovery activities.
Labor Protests Amid Extreme Weather
The powerful gales on Thursday come as tens of thousands of school staff, physicians and civil servants take part in what has been described as a "mega strike", calling for improved salaries and workplace environments.
However the extreme weather has forced them to modify some of their plans, with some outdoor rallies relocated inside or called off.
Similar gusts are affecting the neighboring country, bringing a high-temperature event to the nation's interior regions.
Agencies have announced fire bans for apprehension regarding wildfires.
