Severe winds hitting velocities of approximately 155km/h (96mph) have caused nearly 90,000 properties without power and compelled agencies to halt over 100 aircraft departures, according to local media.
The gales are affecting the entire South Island and southern parts of the northern region, per the country's meteorological service.
New Zealand authorities have released rare high-level wind alerts - the top caution category - in core zones such as Wellington and Canterbury.
Locals have been encouraged to avoid going outside, stay off roads, and prepare for additional utility disruptions.
Extensive Impact and Emergency Response
The electricity loss appears to be affecting households mainly in the southern region, although officials say that energy was being slowly brought back.
Regional news have reported that in certain areas structures have suffered roof damage, and trees and electricity poles have been toppled by the gusts.
Across Wellington, a person was fatally injured after being struck by a falling limb at a popular trail walking spot on earlier this week.
Additionally in the city, a female was blown onto approaching vehicles on a street by a strong gust of wind, in a event that was filmed in a viral dashcam video.
Air travel to and from the metropolis have been cancelled as a result of the gusts, while certain highways and community centers are not operating.
Simultaneously local leaders have issued a crisis declaration, to support disaster response efforts.
Work Stoppages During Severe Conditions
The wild winds on Thursday coincide with many of educators, medical professionals and government employees are participating in what has been called a "mega strike", demanding higher wages and enhanced employment terms.
Yet the intense climate has compelled them to alter some of their plans, with several external protests shifted to interior venues or called off.
Similar gusts are impacting Australia, ushering in a high-temperature event to the nation's interior regions.
Officials have declared burning restrictions for fear of forest fires.
