Powerful winds attaining velocities of approximately 155km/h (96mph) have resulted in nearly 90,000 homes experiencing outages and compelled officials to call off over 100 flights, according to local media.
The gales are influencing the complete South Island and southern sections of the North Island, per the country's meteorological service.
New Zealand authorities have released infrequent red wind warnings - the top caution category - in key areas including Canterbury and Wellington.
Residents have been encouraged to avoid going outside, stay off roads, and make arrangements for additional electricity and network failures.
Extensive Destruction and Crisis Response
This outage is primarily influencing residences mainly in the southern region, though authorities report that energy was being slowly brought back.
Regional news have reported that in certain areas homes have lost their roofs, whereas utility poles and vegetation have been toppled by the gusts.
In Wellington, a individual was killed after being impacted by a falling limb at a frequent walking route on Tuesday.
Additionally in the city, a female was blown onto oncoming traffic on a road by a intensive burst, in a event that was captured in a widely shared car camera footage.
Air travel entering and leaving the city have been suspended due to the gusts, and various routes and public facilities are shut down.
Simultaneously local leaders have announced a crisis declaration, to facilitate emergency management operations.
Labor Protests During Harsh Weather
The powerful gales on Thursday occur while tens of thousands of school staff, physicians and civil servants are participating in what has been called a "major walkout", calling for improved salaries and workplace environments.
But the extreme weather has forced them to modify certain arrangements, with several external protests relocated inside or abandoned.
Like conditions are also sweeping the neighboring country, causing a high-temperature event to the remote areas.
Officials have declared fire bans for fear of bushfires.