Severe gusts hitting speeds of as high as 155km/h (96mph) have caused approximately 90,000 properties without power and forced agencies to cancel in excess of 100 flights, as reported by local media.
The gales are influencing the entire South Island and southern parts of the northern region, per the national weather agency.
The nation's agencies have released rare severe gust advisories - the highest alert level - in central regions such as Canterbury and Wellington.
Locals have been advised to stay indoors, refrain from journeys, and prepare for further power and communication outages.
Widespread Impact and Emergency Response
The electricity loss appears to be affecting residences mostly in the southern region, although authorities say that power was being gradually reinstated.
Local media have stated that in certain areas homes have lost their roofs, whereas utility poles and vegetation have been toppled by the winds.
Within the capital, a man was fatally injured after being impacted by a tree branch at a frequent walking route on Tuesday.
Also in the capital, a individual was pushed toward approaching vehicles on a thoroughfare by a intensive burst, in a incident that was captured in a viral dashcam video.
Flights in and out of the metropolis have been cancelled as a result of the winds, while certain highways and community centers are shut down.
At the same time authorities in Canterbury have announced a crisis declaration, to facilitate emergency management operations.
Work Stoppages During Severe Weather
These intense gusts on Thursday occur while tens of thousands of educators, medical professionals and government employees are participating in what has been called a "significant labor action", requesting improved salaries and workplace environments.
But the intense climate has pressured them to alter certain arrangements, with several external protests moved indoors or cancelled.
Like conditions are affecting the neighboring country, causing a period of extreme heat to the remote areas.
Agencies have announced flame prohibitions for apprehension regarding wildfires.
