Severe winds reaching speeds of as high as 155km/h (96mph) have caused around 90,000 households without power and forced authorities to halt in excess of 100 flights, as reported by regional news sources.
The gales are influencing the entire South Island and southern sections of the northern region, as stated by the weather forecasting body.
The nation's agencies have released rare severe gust advisories - the top caution category - in central regions encompassing Wellington and Canterbury.
Locals have been encouraged to avoid going outside, avoid travel, and get ready for more power and communication outages.
Broad Impact and Emergency Response
The electricity loss is primarily influencing homes predominantly in the southern region, while officials state that power was being gradually reinstated.
Regional news have stated that in some places homes have lost their roofs, and trees and electricity poles have been brought down by the winds.
In Wellington, a man was fatally injured after being impacted by a tree branch at a popular trail walking spot on earlier this week.
Additionally in the city, a woman was blown onto moving cars on a thoroughfare by a intensive burst, in a event that was filmed in a viral dashcam video.
Air travel entering and leaving the metropolis have been suspended because of the winds, whereas various routes and public facilities are not operating.
Simultaneously local leaders have issued a crisis declaration, to facilitate recovery activities.
Labor Protests Alongside Severe Conditions
These intense gusts on Thursday coincide with tens of thousands of school staff, physicians and civil servants take part in what has been termed a "mega strike", demanding higher wages and enhanced employment terms.
However the intense climate has pressured them to alter some of their plans, with some outdoor rallies relocated inside or abandoned.
Comparable winds are impacting Australia, causing a period of extreme heat to the remote areas.
Agencies have issued fire bans for fear of bushfires.