Powerful gusts reaching velocities of up to 155km/h (96mph) have caused approximately 90,000 properties without power and forced authorities to halt over 100 flights, according to regional news sources.
These gusts are affecting the complete southern region and southern parts of the northern region, as stated by the national weather agency.
New Zealand authorities have announced uncommon severe gust advisories - the most severe warning - in key areas such as Wellington and Canterbury.
Residents have been urged to remain inside, stay off roads, and prepare for additional electricity and network failures.
Broad Damage and Crisis Measures
The electricity loss is primarily influencing homes predominantly in the southern region, although authorities say that energy was being gradually reinstated.
Regional news have stated that in various locations roofs have been ripped off houses, whereas trees and electricity poles have been knocked down by the gales.
Across Wellington, a individual was killed after being struck by a falling limb at a popular trail walking spot on Tuesday.
Also in the capital, a individual was pushed toward moving cars on a street by a intensive burst, in a incident that was captured in a widely shared car camera footage.
Aircraft services in and out of the urban area have been cancelled as a result of the gusts, and certain highways and community centers are also closed.
At the same time local leaders have announced a state of emergency, to support emergency management operations.
Labor Protests Amid Extreme Conditions
These intense gusts on Thursday coincide with tens of thousands of teachers, doctors and other public workers are engaged in what has been termed a "significant labor action", requesting higher wages and enhanced employment terms.
But the intense climate has forced them to alter certain arrangements, with some outdoor rallies moved indoors or cancelled.
Similar gusts are also sweeping Australia, bringing a high-temperature event to the country's outback.
Officials have issued fire bans for fear of wildfires.