Severe gusts attaining velocities of approximately 155km/h (96mph) have resulted in approximately 90,000 households experiencing outages and compelled agencies to halt in excess of 100 air travel services, according to domestic outlets.
The gales are influencing the whole southern region and southern parts of the northern region, per the weather forecasting body.
The nation's agencies have issued uncommon high-level wind alerts - the most severe warning - in core zones encompassing Wellington and Canterbury.
Residents have been urged to remain inside, stay off roads, and prepare for additional electricity and network failures.
Widespread Damage and Crisis Measures
The power cut is primarily influencing homes predominantly in the South Island, while authorities report that energy was being slowly brought back.
Domestic outlets have reported that in some places structures have suffered roof damage, while utility poles and vegetation have been toppled by the gusts.
Across Wellington, a person was fatally injured after being hit by a wooden fragment at a popular trail walking spot on Tuesday.
Additionally in the city, a woman was blown onto moving cars on a road by a strong gust of wind, in a moment that was recorded in a widely shared car camera footage.
Aircraft services entering and leaving the metropolis have been suspended due to the winds, while certain highways and community centers are shut down.
At the same time local leaders have declared a state of emergency, to assist disaster response efforts.
Strike Action Amid Extreme Conditions
These intense gusts on Thursday coincide with tens of thousands of educators, medical professionals and government employees take part in what has been called a "significant labor action", calling for better pay and working conditions.
However the extreme weather has forced them to change certain arrangements, with several external protests relocated inside or called off.
Like conditions are impacting the nearby nation, causing a period of extreme heat to the country's outback.
Officials have issued flame prohibitions for apprehension regarding wildfires.
