Powerful winds reaching velocities of approximately 155km/h (96mph) have left around 90,000 homes lacking electricity and led agencies to cancel more than 100 aircraft departures, based on regional news sources.
The winds are affecting the entire South Island and southern sections of the North Island, per the national weather agency.
New Zealand authorities have announced infrequent red wind warnings - the most severe warning - in central regions including Wellington and Canterbury.
People 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 homes mostly in the South Island, while officials report that the electricity supply was being gradually reinstated.
Domestic outlets have stated that in various locations roofs have been ripped off houses, whereas power lines and trees have been brought down by the gales.
In Wellington, a person was killed after being impacted by a falling limb at a frequent walking route on earlier this week.
Also in the capital, a woman was blown onto moving cars on a thoroughfare by a powerful blast, in a event that was filmed in a popular vehicle recording.
Flights in and out of the metropolis have been suspended because of the weather, while some roads and libraries are also closed.
At the same time Canterbury officials have announced a emergency situation, to facilitate emergency management operations.
Strike Action Amid Extreme Weather
The wild winds on today occur while tens of thousands of teachers, doctors and other public workers are engaged in what has been termed a "mega strike", calling for higher wages and enhanced employment terms.
Yet the severe conditions has compelled them to change certain arrangements, with several external protests moved indoors or cancelled.
Like conditions are affecting Australia, causing a period of extreme heat to the country's outback.
Agencies have declared flame prohibitions for concern about wildfires.
