Intense gales attaining velocities of as high as 155km/h (96mph) have caused approximately 90,000 properties lacking electricity and forced agencies to call off over 100 air travel services, based on domestic outlets.
The winds are impacting the whole southern region and lower areas of the northern region, according to the national weather agency.
Officials in New Zealand have issued infrequent red wind warnings - the most severe warning - in central regions encompassing Canterbury and Wellington.
People have been advised to stay indoors, refrain from journeys, and prepare for further utility disruptions.
Widespread Impact and Crisis Measures
This outage appears to be affecting residences predominantly in the southern region, while authorities say that power was being restored progressively.
Local media have indicated that in various locations homes have lost their roofs, and power lines and trees have been brought down by the winds.
In Wellington, a person was lost his life after being struck by a tree branch at a well-known hiking path on Tuesday.
Meanwhile in Wellington, a individual was blown onto moving cars on a street by a strong gust of wind, in a incident that was recorded in a widely shared car camera footage.
Aircraft services entering and leaving the metropolis have been cancelled due to the gusts, while certain highways and community centers are not operating.
Simultaneously Canterbury officials have declared a crisis declaration, to facilitate disaster response efforts.
Strike Action Amid Extreme Conditions
The powerful gales on today come as many of educators, medical professionals and government employees are participating in what has been termed a "mega strike", demanding improved salaries and workplace environments.
However the intense climate has forced them to modify certain arrangements, with various open-air gatherings relocated inside or abandoned.
Like conditions are also sweeping the neighboring country, bringing a heatwave to the country's outback.
Authorities have announced burning restrictions for concern about forest fires.
