Intense winds attaining velocities of as high as 155km/h (96mph) have caused approximately 90,000 households without power and led agencies to call off more than 100 aircraft departures, according to local media.
The winds are affecting the complete South Island and lower areas of the northern region, as stated by the national weather agency.
New Zealand authorities have issued rare severe gust advisories - the highest alert level - in central regions encompassing Wellington and Canterbury.
Residents have been advised to remain inside, stay off roads, and get ready for further utility disruptions.
Broad Destruction and Emergency Response
The power cut seems to be impacting homes predominantly in the southern region, while authorities report that power was being restored progressively.
Domestic outlets have reported that in various locations homes have lost their roofs, while utility poles and vegetation have been knocked down by the gusts.
Across Wellington, a man was lost his life after being struck by a falling limb at a popular trail walking spot on Tuesday.
Also in the capital, a woman was blown onto moving cars 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 urban area have been halted as a result of the weather, while some roads and libraries are shut down.
Simultaneously Canterbury officials have issued a crisis declaration, to facilitate recovery activities.
Labor Protests During Harsh Conditions
The wild winds on today come as numerous of teachers, doctors and other public workers are participating in what has been called a "major walkout", calling for higher wages and enhanced employment terms.
But the severe conditions has compelled them to change various scheduled activities, with several external protests relocated inside or cancelled.
Similar gusts are impacting Australia, ushering in a period of extreme heat to the nation's interior regions.
Officials have issued flame prohibitions for fear of forest fires.
