Powerful winds hitting speeds of approximately 155km/h (96mph) have caused nearly 90,000 homes experiencing outages and forced authorities to call off over 100 air travel services, as reported by regional news sources.
The winds are influencing the complete southern region and southern parts of the northern region, according to the weather forecasting body.
New Zealand authorities have announced uncommon high-level wind alerts - the most severe warning - in central regions encompassing these major districts.
People have been encouraged to remain inside, stay off roads, and prepare for more utility disruptions.
Widespread Impact and Crisis Measures
The power cut is primarily influencing homes mostly in the South Island, while officials report that energy was being gradually reinstated.
Regional news have indicated that in certain areas homes have lost their roofs, whereas utility poles and vegetation have been brought down by the winds.
Across Wellington, a man was fatally injured after being impacted by a tree branch at a popular trail walking spot on earlier this week.
Also in the capital, a woman was blown onto moving cars on a thoroughfare by a intensive burst, in a event that was captured in a viral dashcam video.
Flights in and out of the city have been halted due to the winds, while some roads and libraries are also closed.
Meanwhile Canterbury officials have announced a state of emergency, to support emergency management operations.
Labor Protests Amid Severe Weather
These intense gusts on today occur while many of school staff, physicians and civil servants take part in what has been described as a "mega strike", calling for better pay and working conditions.
However the severe conditions has compelled them to change various scheduled activities, with some outdoor rallies relocated inside or called off.
Like conditions are also sweeping Australia, bringing a period of extreme heat to the country's outback.
Officials have issued flame prohibitions for concern about wildfires.
