Intense winds attaining velocities of as high as 155km/h (96mph) have caused approximately 90,000 properties without power and led authorities to call off more than 100 flights, as reported by domestic outlets.
The gales are affecting the whole 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 most severe warning - in central regions including Wellington and Canterbury.
People have been advised to stay indoors, refrain from journeys, and prepare for more power and communication outages.
Extensive Impact and Emergency Measures
The power cut is primarily influencing residences mostly in the southern region, though authorities report that energy was being restored progressively.
Regional news have reported that in some places homes have lost their roofs, and trees and electricity poles have been brought down by the gusts.
Within the capital, a individual was killed after being struck by a tree branch at a well-known hiking path on Tuesday.
Also in the capital, a woman was swept into oncoming traffic on a thoroughfare by a powerful blast, in a event that was filmed in a viral dashcam video.
Aircraft services to and from the urban area have been halted due to the gusts, and various routes and public facilities are not operating.
At the same time local leaders have issued a state of emergency, to facilitate recovery activities.
Strike Action Alongside Extreme Conditions
The powerful gales on today occur while numerous of teachers, doctors and other public workers are participating in what has been called a "significant labor action", calling for higher wages and enhanced employment terms.
However the intense climate has pressured them to alter certain arrangements, with some outdoor rallies moved indoors or cancelled.
Like conditions are also sweeping the nearby nation, ushering in a heatwave to the country's outback.
Authorities have announced burning restrictions for fear of bushfires.
