Severe winds hitting speeds of up to 155km/h (96mph) have caused nearly 90,000 households experiencing outages and led authorities to halt in excess of 100 aircraft departures, based on local media.
These gusts are affecting the complete South Island and lower areas of the northern region, as stated by the weather forecasting body.
Officials in New Zealand have announced infrequent red wind warnings - the top caution category - in core zones such as these major districts.
People have been encouraged to remain inside, refrain from journeys, and prepare for more electricity and network failures.
Extensive Impact and Emergency Measures
The power cut appears to be affecting residences mostly in the southern region, while authorities say that the electricity supply was being restored progressively.
Domestic outlets have stated that in some places structures have suffered roof damage, whereas trees and electricity poles have been toppled by the winds.
Within the capital, a individual was killed after being impacted by a tree branch at a frequent walking route on earlier this week.
Also in the capital, a individual was pushed toward approaching vehicles on a road by a strong gust of wind, in a moment that was filmed in a viral dashcam video.
Flights in and out of the urban area have been halted due to the gusts, while certain highways and community centers are also closed.
At the same time local leaders have declared a state of emergency, to facilitate recovery activities.
Strike Action Alongside Extreme Weather
The powerful gales on today coincide with tens of thousands of school staff, physicians and civil servants are participating in what has been described as a "mega strike", calling for higher wages and enhanced employment terms.
But the severe conditions has pressured them to alter certain arrangements, with some outdoor rallies moved indoors or cancelled.
Comparable winds are also sweeping the nearby nation, ushering in a high-temperature event to the nation's interior regions.
Authorities have announced burning restrictions for fear of forest fires.