Intense winds attaining velocities of up to 155km/h (96mph) have caused approximately 90,000 households lacking electricity and forced officials to cancel over 100 aircraft departures, based on regional news sources.
These gusts are affecting the whole South Island and southern parts of the North Island, according to the weather forecasting body.
Officials in New Zealand have released rare high-level wind alerts - the highest alert level - in central regions including Canterbury and Wellington.
Locals have been urged to remain inside, refrain from journeys, and prepare for more electricity and network failures.
Widespread Damage and Emergency Response
The power cut seems to be impacting residences predominantly in the South Island, though authorities say that energy was being slowly brought back.
Local media have reported that in some places roofs have been ripped off houses, and trees and electricity poles have been toppled by the gusts.
Within the capital, a person was lost his life after being struck by a falling limb at a frequent walking route on Tuesday.
Also in the capital, a individual was blown onto oncoming traffic on a street by a powerful blast, in a moment that was recorded in a popular vehicle recording.
Aircraft services entering and leaving the urban area have been cancelled due to the gusts, while some roads and libraries are also closed.
Simultaneously Canterbury officials have declared a state of emergency, to facilitate disaster response efforts.
Strike Action Alongside Severe Weather
The wild winds on today coincide with tens of thousands of educators, medical professionals and government employees are participating in what has been called a "mega strike", demanding improved salaries and workplace environments.
But the severe conditions has pressured them to alter various scheduled activities, with some outdoor rallies shifted to interior venues or abandoned.
Similar gusts are impacting Australia, causing a high-temperature event to the country's outback.
Authorities have announced burning restrictions for apprehension regarding forest fires.
