Intense winds reaching speeds of as high as 155km/h (96mph) have left around 90,000 households experiencing outages and compelled authorities to halt over 100 air travel services, as reported by regional news sources.
These gusts are affecting the entire southern region and lower areas of the northern region, as stated by the national weather agency.
New Zealand authorities have released infrequent red wind warnings - the most severe warning - in central regions encompassing these major districts.
People have been urged to remain inside, stay off roads, and get ready for additional utility disruptions.
Broad Impact and Crisis Response
The power cut appears to be affecting households mostly in the South Island, while officials report that energy was being slowly brought back.
Local media have stated that in various locations structures have suffered roof damage, while utility poles and vegetation have been brought down by the gusts.
In Wellington, a person was fatally injured after being hit by a tree branch at a frequent walking route on earlier this week.
Additionally in the city, a woman was blown onto moving cars on a street by a strong gust of wind, in a moment that was filmed in a viral dashcam video.
Flights in and out of the urban area have been suspended due to the gusts, and various routes and public facilities are shut down.
Meanwhile local leaders have declared a state of emergency, to support disaster response efforts.
Labor Protests During Extreme Conditions
The powerful gales on Thursday come as many of educators, medical professionals and government employees are participating in what has been termed a "significant labor action", calling for improved salaries and workplace environments.
However the extreme weather has compelled them to alter various scheduled activities, with several external protests moved indoors or cancelled.
Comparable winds are affecting the nearby nation, bringing a high-temperature event to the remote areas.
Authorities have announced burning restrictions for apprehension regarding bushfires.