Severe winds reaching velocities of approximately 155km/h (96mph) have resulted in nearly 90,000 homes experiencing outages and forced officials to cancel more than 100 air travel services, as reported by domestic outlets.
These gusts are impacting the entire South Island and lower areas of the North Island, as stated by the country's meteorological service.
The nation's agencies have issued rare high-level wind alerts - the top caution category - in key areas such as Wellington and Canterbury.
Residents have been urged to avoid going outside, refrain from journeys, and get ready for additional power and communication outages.
Widespread Damage and Emergency Response
The power cut seems to be impacting residences predominantly in the southern region, while authorities report that power was being slowly brought back.
Domestic outlets have stated that in various locations structures have suffered roof damage, and power lines and trees have been brought down by the gales.
Across Wellington, a man was lost his life after being hit by a wooden fragment at a popular trail walking spot on Tuesday.
Also in the capital, a female was swept into moving cars on a road by a powerful blast, in a event that was filmed in a popular vehicle recording.
Flights in and out of the city have been suspended due to the winds, whereas some roads and libraries are shut down.
Meanwhile Canterbury officials have announced a state of emergency, to support emergency management operations.
Strike Action Alongside Harsh Conditions
These intense gusts on Thursday coincide with numerous of school staff, physicians and civil servants take part in what has been described as a "mega strike", calling for higher wages and enhanced employment terms.
But the intense climate has pressured them to change some of their plans, with some outdoor rallies shifted to interior venues or abandoned.
Like conditions are affecting the nearby nation, causing a high-temperature event to the country's outback.
Officials have issued flame prohibitions for apprehension regarding forest fires.
