Intense gales hitting velocities of approximately 155km/h (96mph) have resulted in around 90,000 properties without power and compelled authorities to call off more than 100 air travel services, as reported by regional news sources.
These gusts are affecting the entire South Island and southern parts of the northern region, as stated by the weather forecasting body.
New Zealand authorities have announced rare high-level wind alerts - the top caution category - in key areas encompassing these major districts.
People have been urged to avoid going outside, refrain from journeys, and make arrangements for more electricity and network failures.
Extensive Damage and Crisis Response
The power cut appears to be affecting households mainly in the southern region, while authorities state that the electricity supply was being restored progressively.
Regional news have stated that in various locations structures have suffered roof damage, whereas power lines and trees have been brought down by the gales.
Across Wellington, a individual was killed after being impacted by a tree branch at a frequent walking route on Tuesday.
Meanwhile in Wellington, a female was pushed toward approaching vehicles on a road by a strong gust of wind, in a incident that was recorded in a widely shared car camera footage.
Flights in and out of the city have been halted due to the winds, and certain highways and community centers are also closed.
Simultaneously authorities in Canterbury have issued a emergency situation, to support disaster response efforts.
Work Stoppages During Extreme Conditions
The wild winds on this day occur while numerous of school staff, physicians and civil servants are participating in what has been termed a "major walkout", calling for improved salaries and workplace environments.
Yet the intense climate has pressured them to change certain arrangements, with some outdoor rallies shifted to interior venues or called off.
Similar gusts are impacting the neighboring country, ushering in a high-temperature event to the country's outback.
Agencies have declared flame prohibitions for apprehension regarding forest fires.