Intense gales reaching velocities of up to 155km/h (96mph) have caused approximately 90,000 households without power and led agencies to call off more than 100 flights, based on domestic outlets.
The gales are affecting the whole South Island and southern sections of the North Island, according to the national weather agency.
New Zealand authorities have released uncommon red wind warnings - the highest alert level - in core zones encompassing Canterbury and Wellington.
Residents have been urged to avoid going outside, refrain from journeys, and get ready for additional utility disruptions.
Widespread Damage and Crisis Response
The electricity loss seems to be impacting households predominantly in the South Island, though authorities say that power was being restored progressively.
Local media have stated that in some places homes have lost their roofs, whereas trees and electricity poles have been toppled by the winds.
In Wellington, a individual was lost his life after being impacted by a falling limb at a frequent walking route on earlier this week.
Additionally in the city, a female was blown onto moving cars on a road by a strong gust of wind, in a incident that was recorded in a popular vehicle recording.
Air travel to and from the urban area have been cancelled due to the gusts, while certain highways and community centers are shut down.
Simultaneously local leaders have issued a crisis declaration, to support recovery activities.
Work Stoppages Alongside Harsh Weather
The powerful gales on this day coincide with tens of thousands of school staff, physicians and civil servants are participating in what has been called a "mega strike", demanding improved salaries and workplace environments.
However the severe conditions has forced them to alter various scheduled activities, with several external protests relocated inside or cancelled.
Similar gusts are impacting Australia, ushering in a high-temperature event to the country's outback.
Authorities have declared burning restrictions for concern about wildfires.
