Severe winds attaining speeds of up to 155km/h (96mph) have resulted in approximately 90,000 properties without power and led officials to cancel more than 100 flights, according to local media.
The winds are affecting the whole southern region and southern parts of the North Island, per the weather forecasting body.
New Zealand authorities have issued rare red wind warnings - the most severe warning - in core zones encompassing these major districts.
People have been encouraged to stay indoors, avoid travel, and make arrangements for more electricity and network failures.
Broad Impact and Emergency Measures
The electricity loss is primarily influencing homes predominantly in the South Island, though agencies report that the electricity supply was being restored progressively.
Regional news have stated that in various locations structures have suffered roof damage, and power lines and trees have been brought down by the gales.
In Wellington, a individual was fatally injured after being hit by a falling limb at a popular trail walking spot on earlier this week.
Meanwhile in Wellington, a individual was pushed toward oncoming traffic on a street by a intensive burst, in a moment that was captured in a popular vehicle recording.
Air travel in and out of the city have been suspended as a result of the winds, whereas various routes and public facilities are also closed.
At the same time authorities in Canterbury have issued a crisis declaration, to support emergency management operations.
Strike Action Amid Extreme Weather
These intense gusts on Thursday come as many of educators, medical professionals and government employees are engaged in what has been termed a "major walkout", calling for better pay and working conditions.
But the extreme weather has compelled them to change some of their plans, with various open-air gatherings moved indoors or cancelled.
Comparable winds are also sweeping the neighboring country, bringing a period of extreme heat to the country's outback.
Agencies have declared burning restrictions for concern about bushfires.
