Powerful gusts attaining velocities of approximately 155km/h (96mph) have caused approximately 90,000 households without power and forced officials to halt more than 100 flights, as reported by regional news sources.
The gales are affecting the entire southern region and southern sections of the northern region, according to the weather forecasting body.
New Zealand authorities have announced uncommon high-level wind alerts - the most severe warning - in core zones including Canterbury and Wellington.
People have been urged to stay indoors, refrain from journeys, and prepare for further power and communication outages.
Widespread Destruction and Crisis Measures
The electricity loss appears to be affecting households predominantly in the southern region, although agencies report that power was being gradually reinstated.
Local media have stated that in various locations homes have lost their roofs, and trees and electricity poles have been toppled by the gales.
Across Wellington, a individual was fatally injured after being hit by a falling limb at a frequent walking route on Tuesday.
Also in the capital, a woman was blown onto moving cars on a street by a powerful blast, in a incident that was filmed in a widely shared car camera footage.
Aircraft services in and out of the city have been halted because of the winds, whereas certain highways and community centers are also closed.
At the same time local leaders have issued a state of emergency, to facilitate emergency management operations.
Strike Action During Extreme Weather
The powerful gales on this day occur while many of educators, medical professionals and government employees take part in what has been called a "significant labor action", requesting improved salaries and workplace environments.
Yet the intense climate has forced them to modify certain arrangements, with some outdoor rallies relocated inside or called off.
Similar gusts are also sweeping Australia, bringing a period of extreme heat to the remote areas.
Authorities have announced fire bans for fear of forest fires.
