Severe winds hitting velocities of as high as 155km/h (96mph) have caused nearly 90,000 households experiencing outages and forced authorities to call off over 100 aircraft departures, according to local media.
These gusts are affecting the whole South Island and lower areas of the North Island, per the national weather agency.
Officials in New Zealand have announced uncommon high-level wind alerts - the top caution category - in core zones such as Canterbury and Wellington.
People have been encouraged to stay indoors, stay off roads, and get ready for more electricity and network failures.
Broad Destruction and Emergency Response
This outage is primarily influencing homes predominantly in the southern region, although officials report that the electricity supply was being gradually reinstated.
Domestic outlets have stated that in various locations structures have suffered roof damage, whereas trees and electricity poles have been toppled by the winds.
In Wellington, a individual was lost his life after being hit by a tree branch at a well-known hiking path on earlier this week.
Also in the capital, a individual was swept into oncoming traffic on a road by a strong gust of wind, in a moment that was recorded in a viral dashcam video.
Flights in and out of the urban area have been halted due to the weather, whereas some roads and libraries are also closed.
At the same time authorities in Canterbury have declared a emergency situation, to assist emergency management operations.
Work Stoppages Alongside Harsh Conditions
These intense gusts on Thursday occur while many of teachers, doctors and other public workers take part in what has been termed a "significant labor action", calling for improved salaries and workplace environments.
But the intense climate has forced them to modify various scheduled activities, with various open-air gatherings moved indoors or cancelled.
Comparable winds are impacting the nearby nation, causing a period of extreme heat to the nation's interior regions.
Authorities have announced flame prohibitions for apprehension regarding wildfires.