Intense gales hitting speeds of as high as 155km/h (96mph) have left around 90,000 properties without power and compelled authorities to call off in excess of 100 flights, according to regional news sources.
These gusts are influencing the entire southern region and lower areas of the northern region, per the national weather agency.
The nation's agencies have released infrequent high-level wind alerts - the top caution category - in core zones encompassing these major districts.
Locals have been advised to avoid going outside, avoid travel, and make arrangements for further utility disruptions.
Broad Destruction and Emergency Measures
The electricity loss seems to be impacting homes mostly in the southern region, though agencies report that power was being gradually reinstated.
Domestic outlets have indicated that in certain areas structures have suffered roof damage, while trees and electricity poles have been brought down by the gales.
In Wellington, a man was killed after being struck by a tree branch at a popular trail walking spot on Tuesday.
Also in the capital, a individual was blown onto moving cars on a road by a powerful blast, in a moment that was captured in a popular vehicle recording.
Air travel entering and leaving the urban area have been halted due to the winds, and some roads and libraries are shut down.
Meanwhile authorities in Canterbury have declared a emergency situation, to support disaster response efforts.
Work Stoppages Alongside Extreme Conditions
These intense gusts on Thursday come as tens of thousands of educators, medical professionals and government employees take part in what has been called a "major walkout", calling for improved salaries and workplace environments.
But the severe conditions has forced them to alter some of their plans, with some outdoor rallies shifted to interior venues or abandoned.
Similar gusts are also sweeping Australia, ushering in a period of extreme heat to the country's outback.
Agencies have issued flame prohibitions for apprehension regarding wildfires.
