Powerful winds reaching velocities of approximately 155km/h (96mph) have caused approximately 90,000 properties without power and forced authorities to halt in excess of 100 flights, according to domestic outlets.
These gusts are impacting the entire South Island and lower areas of the northern region, according to the weather forecasting body.
The nation's agencies have released infrequent high-level wind alerts - the top caution category - in core zones including these major districts.
People have been encouraged to remain inside, stay off roads, and make arrangements for more power and communication outages.
Broad Impact and Emergency Measures
The electricity loss appears to be affecting households mainly in the South Island, though agencies report that energy was being restored progressively.
Regional news have indicated that in certain areas structures have suffered roof damage, while trees and electricity poles have been brought down by the winds.
Within the capital, a man was lost his life after being struck by a tree branch at a popular trail walking spot on Tuesday.
Meanwhile in Wellington, a female was blown onto approaching vehicles on a street by a powerful blast, in a moment that was recorded in a widely shared car camera footage.
Flights in and out of the urban area have been cancelled due to the gusts, and certain highways and community centers are not operating.
At the same time local leaders have issued a crisis declaration, to support disaster response efforts.
Work Stoppages Amid Extreme Weather
The wild winds on this day coincide with tens of thousands of educators, medical professionals and government employees are engaged in what has been called a "major walkout", calling for improved salaries and workplace environments.
However the severe conditions has compelled them to alter various scheduled activities, with various open-air gatherings relocated inside or abandoned.
Like conditions are impacting the nearby nation, bringing a high-temperature event to the country's outback.
Authorities have announced flame prohibitions for apprehension regarding wildfires.
