Severe winds hitting speeds of approximately 155km/h (96mph) have caused approximately 90,000 households lacking electricity and led authorities to halt more than 100 aircraft departures, based on domestic outlets.
These gusts are impacting the entire South Island and southern parts of the northern region, per the weather forecasting body.
Officials in New Zealand have issued infrequent high-level wind alerts - the most severe warning - in key areas including these major districts.
People have been advised to stay indoors, refrain from journeys, and get ready for more power and communication outages.
Broad Destruction and Emergency Response
This outage is primarily influencing households predominantly in the South Island, while authorities state that the electricity supply was being gradually reinstated.
Regional news have stated that in certain areas homes have lost their roofs, while trees and electricity poles have been toppled by the gusts.
Across Wellington, a individual was killed after being hit by a wooden fragment at a popular trail walking spot on earlier this week.
Meanwhile in Wellington, a female was blown onto oncoming traffic on a street by a strong gust of wind, in a event that was captured in a popular vehicle recording.
Flights to and from the metropolis have been cancelled because of the weather, whereas some roads and libraries are shut down.
Simultaneously local leaders have issued a state of emergency, to support emergency management operations.
Labor Protests Amid Severe Conditions
These intense gusts on Thursday coincide with numerous of educators, medical professionals and government employees are participating in what has been described as a "major walkout", requesting improved salaries and workplace environments.
But the intense climate has forced them to modify various scheduled activities, with various open-air gatherings relocated inside or cancelled.
Comparable winds are also sweeping the neighboring country, ushering in a period of extreme heat to the nation's interior regions.
Authorities have issued burning restrictions for fear of wildfires.