Intense gusts attaining speeds of as high as 155km/h (96mph) have left nearly 90,000 properties without power and forced agencies to halt more than 100 aircraft departures, as reported by regional news sources.
The winds are affecting the entire southern region and southern parts of the North Island, as stated by the country's meteorological service.
New Zealand authorities have released rare severe gust advisories - the highest alert level - in central regions including Canterbury and Wellington.
Residents have been advised to stay indoors, stay off roads, and prepare for further utility disruptions.
Broad Damage and Crisis Response
The power cut appears to be affecting homes predominantly in the southern region, though agencies state that energy was being gradually reinstated.
Domestic outlets have reported that in various locations homes have lost their roofs, whereas utility poles and vegetation have been toppled by the winds.
Within the capital, a man was killed after being impacted by a tree branch at a popular trail walking spot on Tuesday.
Also in the capital, a female was blown onto oncoming traffic on a road by a powerful blast, in a moment that was filmed in a viral dashcam video.
Air travel entering and leaving the metropolis have been cancelled due to the weather, while some roads and libraries are not operating.
At the same time local leaders have declared a emergency situation, to support recovery activities.
Work Stoppages During Severe Weather
The powerful gales on Thursday coincide with numerous of educators, medical professionals and government employees are participating in what has been called a "major walkout", calling for higher wages and enhanced employment terms.
Yet the extreme weather has compelled them to change various scheduled activities, with various open-air gatherings moved indoors or abandoned.
Similar gusts are affecting the nearby nation, causing a period of extreme heat to the country's outback.
Authorities have declared fire bans for fear of forest fires.
