Intense winds attaining speeds of up to 155km/h (96mph) have left approximately 90,000 properties lacking electricity and led officials to call off more than 100 aircraft departures, as reported by regional news sources.
The gales are impacting the complete South Island and lower areas of the northern region, according to the national weather agency.
Officials in New Zealand have released infrequent red wind warnings - the most severe warning - in core zones including these major districts.
People have been encouraged to stay indoors, stay off roads, and make arrangements for further power and communication outages.
Widespread Destruction and Crisis Response
The power cut is primarily influencing households predominantly in the South Island, while agencies state that the electricity supply was being restored progressively.
Local media have stated that in various locations structures have suffered roof damage, while trees and electricity poles have been knocked down by the winds.
Across Wellington, a individual was lost his life after being impacted by a wooden fragment at a popular trail walking spot on Tuesday.
Also in the capital, a individual was blown onto oncoming traffic on a street by a strong gust of wind, in a incident that was captured in a viral dashcam video.
Aircraft services entering and leaving the urban area have been cancelled as a result of the weather, whereas various routes and public facilities are also closed.
Simultaneously Canterbury officials have declared a state of emergency, to support emergency management operations.
Work Stoppages During Extreme Weather
The powerful gales on today occur while many of teachers, doctors and other public workers take part in what has been described as a "significant labor action", calling for higher wages and enhanced employment terms.
Yet the severe conditions has compelled them to change various scheduled activities, with various open-air gatherings moved indoors or abandoned.
Similar gusts are impacting Australia, bringing a heatwave to the country's outback.
Officials have declared flame prohibitions for apprehension regarding bushfires.