Severe winds attaining speeds of as high as 155km/h (96mph) have caused nearly 90,000 properties lacking electricity and compelled agencies to cancel in excess of 100 aircraft departures, based on regional news sources.
The gales are influencing the complete southern region and southern sections of the North Island, per the country's meteorological service.
Officials in New Zealand have announced uncommon high-level wind alerts - the most severe warning - in core zones such as Wellington and Canterbury.
People have been urged to stay indoors, avoid travel, and make arrangements for additional power and communication outages.
Broad Damage and Emergency Measures
The power cut is primarily influencing households predominantly in the South Island, though agencies say that power was being slowly brought back.
Domestic outlets have indicated that in some places structures have suffered roof damage, while trees and electricity poles have been toppled by the gales.
Within the capital, a individual was fatally injured after being impacted by a falling limb at a popular trail walking spot on earlier this week.
Also in the capital, a female was swept into oncoming traffic on a street by a strong gust of wind, in a incident that was recorded in a popular vehicle recording.
Aircraft services to and from the metropolis have been cancelled as a result of the winds, whereas some roads and libraries are also closed.
At the same time authorities in Canterbury have announced a crisis declaration, to assist emergency management operations.
Labor Protests Alongside Severe Conditions
The powerful gales on Thursday occur while tens of thousands of educators, medical professionals and government employees take part in what has been termed a "significant labor action", demanding better pay and working conditions.
But the severe conditions has forced them to change certain arrangements, with various open-air gatherings shifted to interior venues or called off.
Comparable winds are affecting the nearby nation, ushering in a heatwave to the nation's interior regions.
Officials have announced burning restrictions for fear of forest fires.