Intense winds reaching speeds of approximately 155km/h (96mph) have resulted in approximately 90,000 homes without power and compelled agencies to call off more than 100 air travel services, based on domestic outlets.
These gusts are affecting the whole South Island and lower areas of the northern region, according to the national weather agency.
Officials in New Zealand have announced rare red wind warnings - the top caution category - in key areas encompassing Canterbury and Wellington.
People have been urged to stay indoors, stay off roads, and get ready for further utility disruptions.
Broad Damage and Crisis Response
The electricity loss seems to be impacting households mainly in the South Island, while agencies state that energy was being slowly brought back.
Local media have indicated that in various locations roofs have been ripped off houses, and trees and electricity poles have been knocked down by the gales.
Within the capital, a person was lost his life after being hit by a falling limb at a popular trail walking spot on Tuesday.
Also in the capital, a female was swept into moving cars on a road by a intensive burst, in a event that was recorded in a popular vehicle recording.
Air travel to and from the city have been cancelled due to the gusts, whereas certain highways and community centers are not operating.
At the same time Canterbury officials have announced a emergency situation, to facilitate disaster response efforts.
Strike Action Alongside Extreme Conditions
The wild winds on today come as many of educators, medical professionals and government employees are participating in what has been described as a "significant labor action", demanding better pay and working conditions.
But the intense climate has pressured them to modify certain arrangements, with various open-air gatherings relocated inside or called off.
Comparable winds are also sweeping the neighboring country, causing a period of extreme heat to the remote areas.
Agencies have declared flame prohibitions for fear of bushfires.