Intense gales attaining velocities of as high as 155km/h (96mph) have left approximately 90,000 properties without power and forced authorities to call off in excess of 100 flights, as reported by domestic outlets.
These gusts are impacting the complete southern region and southern sections of the North Island, according to the national weather agency.
New Zealand authorities have issued infrequent severe gust advisories - the highest alert level - in core zones encompassing Canterbury and Wellington.
Locals have been advised to remain inside, refrain from journeys, and prepare for further power and communication outages.
Broad Impact and Emergency Measures
This outage appears to be affecting residences mainly in the South Island, although agencies state that the electricity supply was being gradually reinstated.
Local media have reported that in some places structures have suffered roof damage, while utility poles and vegetation have been brought down by the gales.
Across Wellington, a person was killed after being impacted by a tree branch at a well-known hiking path on Tuesday.
Additionally in the city, a woman was swept into approaching vehicles on a road by a strong gust of wind, in a event that was filmed in a viral dashcam video.
Air travel to and from the metropolis have been halted due to the weather, and some roads and libraries are also closed.
At the same time Canterbury officials have issued a emergency situation, to support emergency management operations.
Work Stoppages During Severe Weather
These intense gusts on this day come as many of educators, medical professionals and government employees take part in what has been termed a "mega strike", requesting better pay and working conditions.
Yet the extreme weather has pressured them to modify various scheduled activities, with several external protests shifted to interior venues or cancelled.
Similar gusts are affecting the neighboring country, ushering in a high-temperature event to the nation's interior regions.
Agencies have issued burning restrictions for concern about forest fires.