Powerful gales attaining velocities of approximately 155km/h (96mph) have left around 90,000 properties lacking electricity and led officials to cancel over 100 flights, as reported by regional news sources.
These gusts are impacting the entire southern region and southern parts of the North Island, as stated by the national weather agency.
Officials in New Zealand have released uncommon high-level wind alerts - the highest alert level - in core zones including Wellington and Canterbury.
Residents have been advised to stay indoors, refrain from journeys, and make arrangements for more electricity and network failures.
Widespread Damage and Crisis Response
The power cut seems to be impacting residences predominantly in the southern region, while authorities say that energy was being gradually reinstated.
Local media have stated that in various locations homes have lost their roofs, while power lines and trees have been brought down by the gusts.
Across Wellington, a person was killed after being struck by a tree branch at a popular trail walking spot on Tuesday.
Meanwhile in Wellington, a individual was blown onto approaching vehicles on a thoroughfare by a intensive burst, in a incident that was captured in a widely shared car camera footage.
Flights to and from the city have been cancelled as a result of the gusts, and some roads and libraries are not operating.
At the same time Canterbury officials have declared a state of emergency, to assist recovery activities.
Strike Action Alongside Severe Conditions
These intense gusts on Thursday coincide with tens of thousands of educators, medical professionals and government employees are engaged in what has been called a "significant labor action", calling for improved salaries and workplace environments.
However the severe conditions has compelled them to modify various scheduled activities, with several external protests relocated inside or abandoned.
Similar gusts are impacting Australia, ushering in a period of extreme heat to the nation's interior regions.
Authorities have announced flame prohibitions for apprehension regarding forest fires.