Severe winds attaining speeds of up to 155km/h (96mph) have resulted in approximately 90,000 households lacking electricity and forced agencies to halt in excess of 100 flights, as reported by local media.
These gusts are influencing the complete southern region and southern parts of the northern region, per the weather forecasting body.
The nation's agencies have issued rare severe gust advisories - the top caution category - in core zones including Wellington and Canterbury.
Residents have been advised to avoid going outside, avoid travel, and prepare for additional utility disruptions.
Extensive Destruction and Emergency Response
The power cut seems to be impacting residences predominantly in the South Island, though authorities say that energy was being slowly brought back.
Local media have reported that in some places structures have suffered roof damage, whereas trees and electricity poles have been toppled by the winds.
In Wellington, a man was lost his life 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 oncoming traffic on a street by a intensive burst, in a event that was recorded in a popular vehicle recording.
Flights to and from the metropolis have been suspended as a result of the weather, while various routes and public facilities are also closed.
At the same time local leaders have issued a state of emergency, to support recovery activities.
Labor Protests During Harsh Conditions
The powerful gales on today come as tens of thousands of school staff, physicians and civil servants are engaged in what has been termed a "significant labor action", calling for higher wages and enhanced employment terms.
But the intense climate has compelled them to change certain arrangements, with several external protests shifted to interior venues or called off.
Similar gusts are impacting the nearby nation, ushering in a high-temperature event to the country's outback.
Authorities have issued fire bans for concern about forest fires.