Powerful winds attaining speeds of as high as 155km/h (96mph) have resulted in nearly 90,000 households without power and led officials to cancel in excess of 100 aircraft departures, according to domestic outlets.
The winds are impacting the whole southern region and lower areas of the North Island, according to the country's meteorological service.
New Zealand authorities have issued infrequent severe gust advisories - the top caution category - in central regions including Canterbury and Wellington.
Residents have been encouraged to stay indoors, avoid travel, and prepare for more electricity and network failures.
Widespread Impact and Crisis Response
The power cut seems to be impacting homes predominantly in the South Island, though agencies say that energy was being gradually reinstated.
Local media have stated that in various locations roofs have been ripped off houses, whereas power lines and trees have been toppled by the gales.
Across Wellington, a person was fatally injured after being struck by a wooden fragment at a well-known hiking path on earlier this week.
Meanwhile in Wellington, a individual was swept into oncoming traffic on a road by a intensive burst, in a event that was filmed in a popular vehicle recording.
Air travel in and out of the urban area have been suspended because of the gusts, whereas certain highways and community centers are also closed.
Simultaneously authorities in Canterbury have issued a crisis declaration, to support recovery activities.
Strike Action Amid Harsh Conditions
The powerful gales on Thursday occur while tens of thousands of educators, medical professionals and government employees are participating in what has been called a "mega strike", calling for higher wages and enhanced employment terms.
Yet the extreme weather has compelled them to modify certain arrangements, with several external protests moved indoors or cancelled.
Comparable winds are impacting the neighboring country, causing a high-temperature event to the remote areas.
Agencies have issued fire bans for fear of wildfires.
