Severe winds hitting speeds of approximately 155km/h (96mph) have caused around 90,000 households without power and led agencies to cancel more than 100 flights, based on domestic outlets.
The gales are influencing the entire South Island and southern sections of the North Island, per the country's meteorological service.
New Zealand authorities have announced infrequent red wind warnings - the highest alert level - in core zones encompassing Wellington and Canterbury.
Residents have been urged to stay indoors, avoid travel, and make arrangements for more utility disruptions.
Extensive Impact and Crisis Response
The power cut is primarily influencing homes mainly in the southern region, while authorities report that energy was being slowly brought back.
Domestic outlets have stated that in various locations structures have suffered roof damage, whereas trees and electricity poles have been knocked down by the gusts.
Within the capital, a person was fatally injured after being struck by a falling limb at a popular trail walking spot on Tuesday.
Meanwhile in Wellington, a woman was pushed toward moving cars on a road by a strong gust of wind, in a incident that was filmed in a popular vehicle recording.
Aircraft services entering and leaving the urban area have been halted due to the winds, whereas certain highways and community centers are not operating.
Simultaneously local leaders have issued a emergency situation, to support emergency management operations.
Work Stoppages Amid Extreme Weather
The powerful gales on this day occur while tens of thousands of school staff, physicians and civil servants are engaged in what has been described as a "major walkout", demanding higher wages and enhanced employment terms.
Yet the intense climate has compelled them to change some of their plans, with some outdoor rallies moved indoors or abandoned.
Similar gusts are impacting the neighboring country, ushering in a high-temperature event to the remote areas.
Officials have announced flame prohibitions for fear of forest fires.
