Intense gusts hitting velocities of up to 155km/h (96mph) have caused around 90,000 households without power and forced agencies to cancel over 100 flights, based on regional news sources.
These gusts are affecting the whole southern region and southern parts of the North Island, according to the national weather agency.
New Zealand authorities have announced infrequent high-level wind alerts - the most severe warning - in core zones encompassing Canterbury and Wellington.
People have been encouraged to remain inside, stay off roads, and get ready for further power and communication outages.
Extensive Impact and Crisis Response
The electricity loss appears to be affecting homes mainly in the southern region, although officials say that the electricity supply was being gradually reinstated.
Domestic outlets have reported that in certain areas roofs have been ripped off houses, while power lines and trees have been brought down by the winds.
Within the capital, a individual was lost his life after being impacted by a falling limb at a well-known hiking path on Tuesday.
Meanwhile in Wellington, a individual was blown onto moving cars on a street by a intensive burst, in a event that was filmed in a widely shared car camera footage.
Aircraft services to and from the city have been halted because of the gusts, and some roads and libraries are shut down.
At the same time authorities in Canterbury have declared a crisis declaration, to facilitate disaster response efforts.
Strike Action Amid Harsh Conditions
These intense gusts on this day occur while tens of thousands of teachers, doctors and other public workers are engaged in what has been described as a "major walkout", calling for improved salaries and workplace environments.
But the intense climate has forced them to change various scheduled activities, with some outdoor rallies shifted to interior venues or abandoned.
Comparable winds are impacting the nearby nation, ushering in a high-temperature event to the nation's interior regions.
Agencies have declared burning restrictions for apprehension regarding wildfires.
