Intense winds attaining speeds of up to 155km/h (96mph) have left around 90,000 households experiencing outages and compelled officials to cancel more than 100 aircraft departures, based on local media.
The gales are influencing the entire southern region and lower areas of the northern region, according to the weather forecasting body.
The nation's agencies have issued infrequent high-level wind alerts - the top caution category - in key areas including these major districts.
Residents have been urged to avoid going outside, refrain from journeys, and prepare for more utility disruptions.
Widespread Destruction and Crisis Response
This outage appears to be affecting households predominantly in the southern region, although officials report that power was being slowly brought back.
Domestic outlets have stated that in certain areas homes have lost their roofs, whereas utility poles and vegetation have been toppled by the gusts.
Within the capital, a individual was fatally injured after being struck by a falling limb at a frequent walking route on earlier this week.
Additionally in the city, a individual was swept into oncoming traffic on a road by a powerful blast, in a incident that was captured in a viral dashcam video.
Aircraft services in and out of the urban area have been suspended as a result of the winds, while certain highways and community centers are not operating.
Simultaneously Canterbury officials have declared a crisis declaration, to assist disaster response efforts.
Strike Action Amid Harsh Conditions
The powerful gales on Thursday coincide with numerous of educators, medical professionals and government employees are engaged in what has been termed a "major walkout", requesting improved salaries and workplace environments.
Yet the extreme weather has compelled them to change certain arrangements, with several external protests moved indoors or called off.
Similar gusts are affecting the nearby nation, causing a high-temperature event to the country's outback.
Agencies have issued fire bans for fear of wildfires.
