Severe winds attaining velocities of as high as 155km/h (96mph) have left nearly 90,000 homes lacking electricity and compelled agencies to call off more than 100 aircraft departures, as reported by domestic outlets.
The gales are influencing the complete South Island and southern sections of the North Island, as stated by the country's meteorological service.
New Zealand authorities have issued uncommon red wind warnings - the top caution category - in key areas such as Canterbury and Wellington.
People have been advised to stay indoors, refrain from journeys, and prepare for additional electricity and network failures.
Broad Damage and Emergency Measures
The power cut is primarily influencing homes predominantly in the southern region, though authorities report that power was being slowly brought back.
Local media have reported that in various locations structures have suffered roof damage, whereas power lines and trees have been toppled by the winds.
Across Wellington, a man was killed after being struck by a falling limb at a frequent walking route on Tuesday.
Additionally in the city, a female was swept into approaching vehicles on a thoroughfare by a powerful blast, in a incident that was recorded in a viral dashcam video.
Aircraft services to and from the metropolis have been cancelled because of the weather, while various routes and public facilities are also closed.
Simultaneously authorities in Canterbury have issued a crisis declaration, to facilitate emergency management operations.
Strike Action Alongside Harsh Conditions
The wild winds on this day occur while numerous of teachers, doctors and other public workers take part in what has been described as a "mega strike", demanding higher wages and enhanced employment terms.
However the severe conditions has compelled them to alter various scheduled activities, with various open-air gatherings moved indoors or abandoned.
Similar gusts are affecting the nearby nation, ushering in a high-temperature event to the country's outback.
Authorities have announced flame prohibitions for apprehension regarding bushfires.