Intense gales hitting velocities of up to 155km/h (96mph) have resulted in nearly 90,000 households without power and forced authorities to cancel more than 100 air travel services, based on local media.
These gusts are impacting the entire southern region and southern sections of the northern region, as stated by the country's meteorological service.
Officials in New Zealand have announced uncommon red wind warnings - the highest alert level - in key areas including Canterbury and Wellington.
People have been advised to remain inside, stay off roads, and make arrangements for further utility disruptions.
Extensive Destruction and Crisis Response
The power cut seems to be impacting homes mostly in the South Island, though agencies report that the electricity supply was being restored progressively.
Domestic outlets have reported that in various locations structures have suffered roof damage, whereas trees and electricity poles have been toppled by the gales.
Within the capital, a man was fatally injured after being hit by a tree branch at a popular trail walking spot on Tuesday.
Additionally in the city, a female was pushed toward approaching vehicles on a road by a strong gust of wind, in a incident that was captured in a viral dashcam video.
Flights entering and leaving the city have been halted due to the gusts, whereas some roads and libraries are shut down.
Simultaneously authorities in Canterbury have issued a state of emergency, to support emergency management operations.
Labor Protests Amid Severe Conditions
The powerful gales on Thursday occur while numerous of teachers, doctors and other public workers are engaged in what has been called a "major walkout", calling for better pay and working conditions.
However the intense climate has forced them to change certain arrangements, with some outdoor rallies moved indoors or called off.
Similar gusts are impacting Australia, bringing a high-temperature event to the remote areas.
Authorities have declared burning restrictions for fear of bushfires.
