Severe winds reaching velocities of approximately 155km/h (96mph) have left nearly 90,000 properties without power and compelled agencies to cancel over 100 flights, as reported by local media.
These gusts are affecting the whole southern region and southern sections of the northern region, per the national weather agency.
New Zealand authorities have issued infrequent severe gust advisories - the top caution category - in central regions including Canterbury and Wellington.
Locals have been advised to avoid going outside, refrain from journeys, and make arrangements for more power and communication outages.
Extensive Damage and Crisis Response
The power cut seems to be impacting residences mainly in the South Island, while authorities say that the electricity supply was being restored progressively.
Regional news have reported that in various locations structures have suffered roof damage, whereas power lines and trees have been toppled by the winds.
In Wellington, a man was killed after being hit by a tree branch at a popular trail walking spot on earlier this week.
Additionally in the city, a individual was blown onto approaching vehicles on a road by a strong gust of wind, in a event that was recorded in a viral dashcam video.
Air travel in and out of the metropolis have been cancelled as a result of the gusts, and various routes and public facilities are also closed.
Simultaneously authorities in Canterbury have announced a state of emergency, to facilitate recovery activities.
Labor Protests Amid Extreme Conditions
The wild winds on this day occur while numerous of teachers, doctors and other public workers are participating in what has been termed a "mega strike", requesting higher wages and enhanced employment terms.
But the extreme weather has pressured them to modify certain arrangements, with several external protests shifted to interior venues or called off.
Comparable winds are impacting the neighboring country, bringing a period of extreme heat to the nation's interior regions.
Officials have declared burning restrictions for apprehension regarding bushfires.