Intense winds attaining velocities of as high as 155km/h (96mph) have left around 90,000 households lacking electricity and compelled agencies to cancel over 100 air travel services, based on local media.
The winds are impacting the whole southern region and lower areas of the northern region, as stated by the national weather agency.
New Zealand authorities have issued uncommon red wind warnings - the highest alert level - in central regions such as Canterbury and Wellington.
Residents have been encouraged to avoid going outside, stay off roads, and get ready for additional utility disruptions.
Widespread Impact and Emergency Response
The power cut appears to be affecting households predominantly in the South Island, though officials state that energy was being slowly brought back.
Regional news have reported that in some places structures have suffered roof damage, whereas trees and electricity poles have been toppled by the winds.
In Wellington, a person was fatally injured after being struck by a falling limb at a well-known hiking path on Tuesday.
Meanwhile in Wellington, a female was blown onto approaching vehicles on a road by a intensive burst, in a incident that was captured in a viral dashcam video.
Flights to and from the urban area have been cancelled as a result of the gusts, whereas some roads and libraries are also closed.
At the same time local leaders have issued a crisis declaration, to facilitate recovery activities.
Strike Action Alongside Harsh Weather
The wild winds on Thursday coincide with many of school staff, physicians and civil servants take part in what has been described as a "mega strike", calling for higher wages and enhanced employment terms.
Yet the severe conditions has compelled them to change various scheduled activities, with several external protests relocated inside or cancelled.
Comparable winds are also sweeping the neighboring country, bringing a high-temperature event to the country's outback.
Authorities have issued burning restrictions for apprehension regarding forest fires.