Intense gales attaining velocities of as high as 155km/h (96mph) have resulted in approximately 90,000 homes experiencing outages and led agencies to halt over 100 aircraft departures, as reported by local media.
These gusts are affecting the complete southern region and southern parts of the northern region, per the weather forecasting body.
New Zealand authorities have released uncommon high-level wind alerts - the top caution category - in key areas such as these major districts.
Residents have been encouraged to stay indoors, avoid travel, and prepare for further power and communication outages.
The power cut is primarily influencing homes mostly in the South Island, though agencies state that energy was being gradually reinstated.
Local media have reported that in certain areas roofs have been ripped off houses, whereas trees and electricity poles have been knocked down by the gusts.
In Wellington, a man was killed after being struck by a wooden fragment at a well-known hiking path on Tuesday.
Meanwhile in Wellington, a individual was blown onto moving cars on a road by a powerful blast, in a incident that was recorded in a popular vehicle recording.
Aircraft services in and out of the metropolis have been cancelled because of the winds, whereas certain highways and community centers are also closed.
Simultaneously local leaders have issued a state of emergency, to assist recovery activities.
These intense gusts on this day occur while numerous of school staff, physicians and civil servants are engaged in what has been called a "major walkout", calling for higher wages and enhanced employment terms.
However the severe conditions has compelled them to modify certain arrangements, with some outdoor rallies moved indoors or cancelled.
Like conditions are affecting the nearby nation, bringing a high-temperature event to the country's outback.
Authorities have announced fire bans for concern about bushfires.
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