Severe winds attaining velocities of approximately 155km/h (96mph) have caused approximately 90,000 properties without power and compelled agencies to call off over 100 air travel services, according to local media.
These gusts are affecting the whole South Island and lower areas of the northern region, according to the country's meteorological service.
Officials in New Zealand have issued rare high-level wind alerts - the top caution category - in key areas including Wellington and Canterbury.
Locals have been advised to remain inside, stay off roads, and make arrangements for further electricity and network failures.
Extensive Damage and Emergency Response
The power cut is primarily influencing residences mostly in the southern region, while authorities report that power was being gradually reinstated.
Regional news have indicated that in certain areas structures have suffered roof damage, while power lines and trees have been knocked down by the gales.
In Wellington, a person was killed after being hit by a tree branch at a frequent walking route on Tuesday.
Additionally in the city, a female was blown onto moving cars on a road by a powerful blast, in a incident that was recorded in a widely shared car camera footage.
Aircraft services to and from the city have been suspended because of the winds, whereas some roads and libraries are shut down.
Simultaneously Canterbury officials have issued a state of emergency, to facilitate recovery activities.
Strike Action During Harsh Conditions
The powerful gales on today occur while numerous of educators, medical professionals and government employees take part in what has been termed a "significant labor action", calling for higher wages and enhanced employment terms.
However the intense climate has compelled them to modify some of their plans, with various open-air gatherings moved indoors or called off.
Comparable winds are affecting the nearby nation, ushering in a period of extreme heat to the remote areas.
Authorities have declared fire bans for concern about forest fires.
