Intense winds reaching velocities of as high as 155km/h (96mph) have left nearly 90,000 households without power and forced agencies to call off in excess of 100 flights, as reported by domestic outlets.
The winds are influencing the complete southern region and southern sections of the North Island, per the national weather agency.
New Zealand authorities have issued rare red wind warnings - the highest alert level - in core zones encompassing Wellington and Canterbury.
Residents have been encouraged to avoid going outside, avoid travel, and make arrangements for further electricity and network failures.
Widespread Damage and Crisis Measures
This outage is primarily influencing households mainly in the South Island, though agencies report that the electricity supply was being gradually reinstated.
Domestic outlets have indicated that in certain areas structures have suffered roof damage, whereas power lines and trees have been knocked down by the winds.
Within the capital, a person was fatally injured after being struck by a wooden fragment at a popular trail walking spot on earlier this week.
Meanwhile in Wellington, a individual was pushed toward moving cars on a street by a intensive burst, in a event that was captured in a viral dashcam video.
Air travel in and out of the metropolis have been suspended as a result of the winds, and some roads and libraries are shut down.
Simultaneously authorities in Canterbury have announced a state of emergency, to support emergency management operations.
Strike Action During Extreme Conditions
The powerful gales on Thursday come as numerous of school staff, physicians and civil servants are engaged in what has been described as a "major walkout", requesting higher wages and enhanced employment terms.
However the severe conditions has pressured them to modify certain arrangements, with some outdoor rallies relocated inside or called off.
Similar gusts are also sweeping the nearby nation, causing a period of extreme heat to the remote areas.
Authorities have declared burning restrictions for apprehension regarding wildfires.