Severe gusts attaining velocities of as high as 155km/h (96mph) have caused approximately 90,000 properties lacking electricity and compelled authorities to halt over 100 aircraft departures, according to domestic outlets.
The gales are impacting the whole South Island and southern parts of the North Island, as stated by the weather forecasting body.
New Zealand authorities have announced infrequent red wind warnings - the highest alert level - in key areas encompassing Canterbury and Wellington.
Residents have been encouraged to remain inside, stay off roads, and get ready for additional electricity and network failures.
Extensive Impact and Crisis Measures
The power cut is primarily influencing households mostly in the southern region, although authorities report that power was being restored progressively.
Regional news have reported that in certain areas homes have lost their roofs, whereas trees and electricity poles have been knocked down by the winds.
Across Wellington, a individual was fatally injured after being hit by a falling limb at a popular trail walking spot on Tuesday.
Also in the capital, a individual was swept into approaching vehicles on a road by a powerful blast, in a incident that was filmed in a viral dashcam video.
Aircraft services entering and leaving the city have been halted because of the gusts, whereas various routes and public facilities are also closed.
Simultaneously Canterbury officials have announced a emergency situation, to support recovery activities.
Strike Action Amid Severe Conditions
These intense gusts on Thursday occur while numerous of school staff, physicians and civil servants take part in what has been termed a "mega strike", requesting improved salaries and workplace environments.
But the intense climate has pressured them to alter various scheduled activities, with some outdoor rallies shifted to interior venues or cancelled.
Comparable winds are affecting Australia, causing a period of extreme heat to the nation's interior regions.
Agencies have announced flame prohibitions for fear of wildfires.
