Severe winds hitting speeds of as high as 155km/h (96mph) have resulted in nearly 90,000 households experiencing outages and forced officials to call off over 100 flights, based on domestic outlets.
The winds are influencing the whole South Island and southern sections of the North Island, per the national weather agency.
Officials in New Zealand have released rare severe gust advisories - the top caution category - in core zones such as Canterbury and Wellington.
Residents have been advised to avoid going outside, refrain from journeys, and make arrangements for additional utility disruptions.
Extensive Impact and Emergency Measures
The power cut seems to be impacting households mainly in the South Island, while authorities say that power was being slowly brought back.
Domestic outlets have reported that in various locations roofs have been ripped off houses, and utility poles and vegetation have been toppled by the winds.
Within the capital, a man was fatally injured after being hit by a falling limb at a frequent walking route on earlier this week.
Additionally in the city, a woman was swept into oncoming traffic on a road by a powerful blast, in a incident that was recorded in a widely shared car camera footage.
Air travel in and out of the metropolis have been halted as a result of the gusts, while some roads and libraries are shut down.
Meanwhile authorities in Canterbury have issued a crisis declaration, to assist disaster response efforts.
Strike Action During Extreme Weather
The powerful gales on today come as numerous of educators, medical professionals and government employees are participating in what has been called a "major walkout", demanding higher wages and enhanced employment terms.
Yet the intense climate has compelled them to modify some of their plans, with several external protests moved indoors or cancelled.
Like conditions are impacting Australia, causing a period of extreme heat to the nation's interior regions.
Officials have issued burning restrictions for concern about wildfires.
