Intense gales attaining velocities of approximately 155km/h (96mph) have caused nearly 90,000 homes without power and led agencies to call off more than 100 flights, according to regional news sources.
These gusts are influencing the entire southern region and lower areas of the North Island, according to the weather forecasting body.
The nation's agencies have issued uncommon severe gust advisories - the most severe warning - in core zones encompassing Wellington and Canterbury.
Locals have been urged to avoid going outside, avoid travel, and make arrangements for further electricity and network failures.
Extensive Damage and Emergency Measures
The electricity loss appears to be affecting residences mostly in the South Island, though agencies report that power was being gradually reinstated.
Domestic outlets have reported that in some places homes have lost their roofs, whereas power lines and trees have been toppled by the gusts.
In Wellington, a individual was killed after being hit by a falling limb at a well-known hiking path on Tuesday.
Additionally in the city, a individual was pushed toward oncoming traffic on a road by a strong gust of wind, in a moment that was captured in a popular vehicle recording.
Aircraft services in and out of the city have been halted as a result of the weather, while certain highways and community centers are also closed.
Simultaneously local leaders have issued a state of emergency, to facilitate recovery activities.
Work Stoppages During Harsh Conditions
The powerful gales on Thursday occur while numerous of school staff, physicians and civil servants take part in what has been described as a "mega strike", requesting better pay and working conditions.
Yet the intense climate has forced them to modify some of their plans, with some outdoor rallies relocated inside or abandoned.
Similar gusts are affecting Australia, ushering in a period of extreme heat to the nation's interior regions.
Agencies have issued burning restrictions for apprehension regarding forest fires.