Powerful gusts reaching velocities of approximately 155km/h (96mph) have resulted in approximately 90,000 properties without power and led authorities to call off in excess of 100 flights, as reported by regional news sources.
The winds are impacting the whole southern region and lower areas of the northern region, as stated by the weather forecasting body.
New Zealand authorities have announced rare high-level wind alerts - the most severe warning - in core zones including Canterbury and Wellington.
Residents have been advised to remain inside, refrain from journeys, and prepare for further utility disruptions.
Broad Impact and Crisis Measures
The electricity loss appears to be affecting households predominantly in the South Island, although agencies say that the electricity supply was being slowly brought back.
Local media have reported that in some places homes have lost their roofs, whereas utility poles and vegetation have been toppled by the winds.
Across Wellington, a man was killed after being struck by a tree branch at a popular trail walking spot on Tuesday.
Additionally in the city, a female was pushed toward oncoming traffic on a road by a powerful blast, in a event that was recorded in a viral dashcam video.
Aircraft services entering and leaving the city have been halted as a result of the gusts, whereas some roads and libraries are shut down.
At the same time Canterbury officials have announced a state of emergency, to support disaster response efforts.
Labor Protests During Extreme Conditions
These intense gusts on Thursday occur while many of educators, medical professionals and government employees are engaged in what has been termed a "mega strike", calling for higher wages and enhanced employment terms.
But the severe conditions has forced them to modify various scheduled activities, with some outdoor rallies moved indoors or cancelled.
Similar gusts are impacting the neighboring country, ushering in a high-temperature event to the remote areas.
Agencies have issued fire bans for apprehension regarding bushfires.
