Intense winds hitting speeds of as high as 155km/h (96mph) have resulted in nearly 90,000 households lacking electricity and compelled authorities to halt more than 100 flights, based on regional news sources.
These gusts are impacting the complete South Island and southern parts of the northern region, as stated by the national weather agency.
Officials in New Zealand have released uncommon severe gust advisories - the top caution category - in key areas encompassing Wellington and Canterbury.
Residents have been encouraged to remain inside, avoid travel, and get ready for more utility disruptions.
Extensive Impact and Crisis Measures
The power cut seems to be impacting households mainly in the South Island, though agencies say that power was being restored progressively.
Local media have indicated that in certain areas roofs have been ripped off houses, while trees and electricity poles have been knocked down by the gales.
Within the capital, a individual was fatally injured after being struck by a wooden fragment at a popular trail walking spot on Tuesday.
Also in the capital, a female was swept into oncoming traffic on a road by a strong gust of wind, in a incident that was captured in a viral dashcam video.
Air travel in and out of the city have been halted due to the weather, while certain highways and community centers are shut down.
Simultaneously authorities in Canterbury have issued a emergency situation, to facilitate emergency management operations.
Labor Protests Amid Severe Conditions
The powerful gales on this day occur while many of school staff, physicians and civil servants are engaged in what has been called a "mega strike", requesting higher wages and enhanced employment terms.
But the extreme weather has compelled them to alter certain arrangements, with some outdoor rallies relocated inside or called off.
Comparable winds are also sweeping the nearby nation, bringing a period of extreme heat to the country's outback.
Agencies have declared burning restrictions for fear of forest fires.
