Intense winds reaching velocities of as high as 155km/h (96mph) have resulted in around 90,000 homes lacking electricity and forced authorities to halt more than 100 air travel services, according to regional news sources.
The winds are influencing the whole South Island and lower areas of the North Island, as stated by the country's meteorological service.
Officials in New Zealand have issued rare severe gust advisories - the highest alert level - in core zones including these major districts.
People have been advised to remain inside, avoid travel, and make arrangements for additional utility disruptions.
Broad Impact and Crisis Response
This outage appears to be affecting residences mainly in the southern region, although authorities state that the electricity supply was being slowly brought back.
Regional news have indicated that in some places homes have lost their roofs, whereas power lines and trees have been brought down by the gales.
In Wellington, a person was lost his life after being hit by a wooden fragment at a popular trail walking spot on Tuesday.
Meanwhile in Wellington, a woman was blown onto approaching vehicles on a road by a powerful blast, in a event that was recorded in a viral dashcam video.
Air travel in and out of the urban area have been suspended due to the weather, and certain highways and community centers are not operating.
Simultaneously authorities in Canterbury have issued a emergency situation, to facilitate recovery activities.
Labor Protests Alongside Extreme Conditions
The powerful gales on this day come as numerous of teachers, doctors and other public workers are engaged in what has been described as a "mega strike", calling for higher wages and enhanced employment terms.
Yet the extreme weather has compelled them to alter certain arrangements, with some outdoor rallies relocated inside or abandoned.
Similar gusts are impacting the nearby nation, bringing a heatwave to the country's outback.
Authorities have issued flame prohibitions for apprehension regarding wildfires.
