Intense gusts hitting speeds of up to 155km/h (96mph) have caused around 90,000 homes experiencing outages and led authorities to halt in excess of 100 air travel services, according to domestic outlets.
The gales are affecting the complete southern region and southern parts of the northern region, as stated by the national weather agency.
The nation's agencies have released rare high-level wind alerts - the top caution category - in central regions encompassing Canterbury and Wellington.
People have been advised to remain inside, avoid travel, and make arrangements for further power and communication outages.
Broad Destruction and Emergency Measures
The power cut seems to be impacting homes predominantly in the South Island, though authorities report that energy was being restored progressively.
Domestic outlets have indicated that in certain areas structures have suffered roof damage, whereas trees and electricity poles have been knocked down by the gusts.
In Wellington, a individual was fatally injured after being impacted by a wooden fragment at a frequent walking route on Tuesday.
Also in the capital, a woman was pushed toward approaching vehicles on a thoroughfare by a intensive burst, in a incident that was filmed in a popular vehicle recording.
Aircraft services to and from the urban area have been cancelled because of the gusts, whereas some roads and libraries are not operating.
At the same time authorities in Canterbury have issued a crisis declaration, to facilitate recovery activities.
Strike Action Amid Extreme Conditions
The powerful gales on Thursday coincide with numerous of educators, medical professionals and government employees take part in what has been called a "mega strike", demanding improved salaries and workplace environments.
However the extreme weather has compelled them to modify various scheduled activities, with various open-air gatherings shifted to interior venues or abandoned.
Like conditions are also sweeping the neighboring country, bringing a heatwave to the remote areas.
Agencies have issued burning restrictions for apprehension regarding forest fires.
