Intense gales attaining velocities of as high as 155km/h (96mph) have resulted in approximately 90,000 properties experiencing outages and compelled officials to cancel in excess of 100 aircraft departures, as reported by regional news sources.
The winds are affecting the entire southern region and southern sections of the North Island, according to the weather forecasting body.
Officials in New Zealand have released rare high-level wind alerts - the top caution category - in core zones including Wellington and Canterbury.
People have been encouraged to avoid going outside, avoid travel, and prepare for additional power and communication outages.
Broad Impact and Emergency Response
The electricity loss seems to be impacting homes predominantly in the South Island, although agencies report that power was being restored progressively.
Domestic outlets have stated that in certain areas homes have lost their roofs, while trees and electricity poles have been brought down by the gusts.
Across Wellington, a individual was fatally injured after being struck by a falling limb at a popular trail walking spot on Tuesday.
Also in the capital, a woman was swept into moving cars on a thoroughfare by a powerful blast, in a moment that was recorded in a popular vehicle recording.
Air travel in and out of the urban area have been suspended because of the gusts, and various routes and public facilities are also closed.
Meanwhile authorities in Canterbury have announced a crisis declaration, to support emergency management operations.
Labor Protests During Extreme Conditions
These intense gusts on this day occur while numerous of educators, medical professionals and government employees are engaged in what has been termed a "mega strike", demanding higher wages and enhanced employment terms.
Yet the severe conditions has forced them to modify certain arrangements, with some outdoor rallies moved indoors or called off.
Similar gusts are impacting the neighboring country, bringing a heatwave to the nation's interior regions.
Officials have declared flame prohibitions for fear of bushfires.
