Intense winds hitting velocities of approximately 155km/h (96mph) have left around 90,000 homes experiencing outages and led officials to call off in excess of 100 aircraft departures, according to local media.
These gusts are influencing the entire southern region and southern parts of the northern region, according to the country's meteorological service.
Officials in New Zealand have announced uncommon high-level wind alerts - the most severe warning - in central regions encompassing Canterbury and Wellington.
People have been encouraged to stay indoors, avoid travel, and get ready for more utility disruptions.
Extensive Impact and Emergency Response
The electricity loss appears to be affecting residences mainly in the South Island, although officials state that power was being restored progressively.
Domestic outlets have stated that in some places homes have lost their roofs, and utility poles and vegetation have been knocked down by the gusts.
In Wellington, a individual was lost his life after being struck by a falling limb at a popular trail walking spot on Tuesday.
Additionally in the city, a individual was blown onto approaching vehicles on a thoroughfare by a powerful blast, in a moment that was captured in a viral dashcam video.
Aircraft services entering and leaving the city have been halted because of the gusts, while some roads and libraries are shut down.
Meanwhile Canterbury officials have declared a crisis declaration, to facilitate emergency management operations.
Strike Action During Harsh Weather
The wild winds on Thursday occur while tens of thousands of educators, medical professionals and government employees take part in what has been termed a "significant labor action", demanding better pay and working conditions.
Yet the extreme weather has pressured them to modify certain arrangements, with some outdoor rallies shifted to interior venues or abandoned.
Comparable winds are affecting Australia, causing a heatwave to the nation's interior regions.
Agencies have issued flame prohibitions for fear of bushfires.
