Severe winds hitting speeds of approximately 155km/h (96mph) have left nearly 90,000 households experiencing outages and led authorities to halt more than 100 air travel services, based on regional news sources.
These gusts are influencing the complete South Island and southern sections of the northern region, as stated by the country's meteorological service.
Officials in New Zealand have issued rare red wind warnings - the top caution category - in central regions such as these major districts.
Residents have been encouraged to remain inside, refrain from journeys, and get ready for further electricity and network failures.
Extensive Impact and Crisis Response
This outage appears to be affecting residences mainly in the South Island, though officials report that power was being restored progressively.
Local media have indicated that in certain areas roofs have been ripped off houses, and utility poles and vegetation have been toppled by the winds.
Across Wellington, a person was fatally injured after being hit by a falling limb at a frequent walking route on earlier this week.
Also in the capital, a individual was blown onto approaching vehicles on a street by a strong gust of wind, in a event that was recorded in a viral dashcam video.
Air travel to and from the metropolis have been cancelled as a result of the winds, and certain highways and community centers are shut down.
Meanwhile authorities in Canterbury have issued a state of emergency, to assist emergency management operations.
Labor Protests Alongside Harsh Conditions
These intense gusts on today 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 extreme weather has pressured them to alter some of their plans, with various open-air gatherings moved indoors or called off.
Like conditions are also sweeping Australia, ushering in a high-temperature event to the country's outback.
Authorities have issued fire bans for concern about wildfires.