Intense winds attaining speeds of up to 155km/h (96mph) have caused approximately 90,000 homes without power and led agencies to call off in excess of 100 flights, based on domestic outlets.
The gales are impacting the whole South Island and southern parts of the North Island, as stated by the weather forecasting body.
Officials in New Zealand have issued rare red wind warnings - the top caution category - in key areas such as Canterbury and Wellington.
People have been urged to remain inside, stay off roads, and prepare for further power and communication outages.
Extensive Damage and Emergency Response
The power cut seems to be impacting homes mainly in the South Island, while agencies say that the electricity supply was being restored progressively.
Local media have reported that in some places homes have lost their roofs, whereas power lines and trees have been knocked down by the winds.
Within the capital, a individual was lost his life after being hit by a falling limb at a well-known hiking path on earlier this week.
Meanwhile in Wellington, a woman was pushed toward oncoming traffic on a street by a strong gust of wind, in a moment that was filmed in a viral dashcam video.
Air travel entering and leaving the urban area have been halted as a result of the winds, and various routes and public facilities are also closed.
Meanwhile local leaders have declared a state of emergency, to assist recovery activities.
Labor Protests Amid Severe Weather
The powerful gales on Thursday occur while numerous of teachers, doctors and other public workers are engaged in what has been called a "significant labor action", requesting improved salaries and workplace environments.
However the severe conditions has compelled them to modify certain arrangements, with several external protests relocated inside or cancelled.
Like conditions are affecting the neighboring country, causing a period of extreme heat to the country's outback.
Officials have announced burning restrictions for apprehension regarding bushfires.
