Powerful winds reaching speeds of approximately 155km/h (96mph) have left approximately 90,000 homes lacking electricity and forced officials to cancel more than 100 aircraft departures, according to regional news sources.
The winds are affecting the complete southern region and southern parts of the northern region, per the weather forecasting body.
New Zealand authorities have announced rare red wind warnings - the highest alert level - in key areas such as Wellington and Canterbury.
Residents have been urged to avoid going outside, refrain from journeys, and prepare for more power and communication outages.
Widespread Destruction and Emergency Response
The power cut is primarily influencing residences predominantly in the southern region, though authorities say that power was being gradually reinstated.
Regional news have reported that in some places structures have suffered roof damage, and power lines and trees have been toppled by the gusts.
Across Wellington, a man was killed after being struck by a wooden fragment at a frequent walking route on Tuesday.
Also in the capital, a individual was blown onto moving cars on a street by a powerful blast, in a moment that was filmed in a viral dashcam video.
Air travel to and from the urban area have been cancelled due to the winds, and certain highways and community centers are not operating.
At the same time local leaders have issued a crisis declaration, to assist recovery activities.
Labor Protests Amid Extreme Conditions
These intense gusts on today come as tens of thousands of educators, medical professionals and government employees are participating in what has been described as a "mega strike", demanding higher wages and enhanced employment terms.
But the intense climate has pressured them to change certain arrangements, with various open-air gatherings relocated inside or abandoned.
Like conditions are impacting Australia, bringing a high-temperature event to the country's outback.
Authorities have announced fire bans for apprehension regarding wildfires.