Severe winds reaching velocities of approximately 155km/h (96mph) have caused approximately 90,000 homes without power and forced agencies to halt in excess of 100 air travel services, according to local media.
The winds are impacting the whole South Island and southern sections of the North Island, according to the country's meteorological service.
New Zealand authorities have issued rare severe gust advisories - the top caution category - in core zones encompassing these major districts.
Locals have been advised to remain inside, avoid travel, and get ready for further utility disruptions.
Widespread Damage and Crisis Response
The electricity loss is primarily influencing homes mostly in the South Island, though officials say that the electricity supply was being slowly brought back.
Local media have reported that in certain areas structures have suffered roof damage, while utility poles and vegetation have been toppled by the gales.
In Wellington, a individual was killed after being struck by a falling limb at a well-known hiking path on earlier this week.
Additionally in the city, a individual was pushed toward approaching vehicles on a street by a intensive burst, in a incident that was recorded in a popular vehicle recording.
Air travel in and out of the urban area have been suspended because of the winds, and various routes and public facilities are also closed.
Meanwhile local leaders have issued a state of emergency, to support emergency management operations.
Strike Action During Severe Conditions
The wild winds on today come as numerous of school staff, physicians and civil servants are engaged in what has been termed a "mega strike", demanding higher wages and enhanced employment terms.
Yet the extreme weather has compelled them to alter certain arrangements, with various open-air gatherings moved indoors or called off.
Similar gusts are affecting the neighboring country, bringing a heatwave to the country's outback.
Agencies have declared flame prohibitions for apprehension regarding bushfires.
