Intense gales reaching velocities of as high as 155km/h (96mph) have left around 90,000 households experiencing outages and led agencies to halt over 100 air travel services, according to local media.
These gusts are affecting the entire southern region and southern sections of the northern region, as stated by the national weather agency.
Officials in New Zealand have issued uncommon red wind warnings - the top caution category - in key areas including these major districts.
Residents have been encouraged to remain inside, avoid travel, and make arrangements for additional utility disruptions.
Widespread Destruction and Crisis Measures
This outage is primarily influencing residences mostly in the South Island, while officials state that power was being restored progressively.
Local media have stated that in various locations structures have suffered roof damage, while power lines and trees have been brought down by the winds.
In Wellington, a person was fatally injured after being hit by a wooden fragment at a well-known hiking path on earlier this week.
Also in the capital, a individual was pushed toward moving cars on a road by a strong gust of wind, in a event that was filmed in a popular vehicle recording.
Air travel entering and leaving the urban area have been cancelled because of the gusts, whereas certain highways and community centers are shut down.
Simultaneously local leaders have announced a state of emergency, to assist emergency management operations.
Work Stoppages Alongside Severe Weather
These intense gusts on Thursday come as numerous of educators, medical professionals and government employees are participating in what has been called a "significant labor action", requesting better pay and working conditions.
But the extreme weather has forced them to modify various scheduled activities, with several external protests moved indoors or abandoned.
Comparable winds are affecting the nearby nation, causing a period of extreme heat to the country's outback.
Authorities have announced flame prohibitions for fear of bushfires.