Weather News – Showers, westerlies, and kōwhai in bloom – MetService

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Source: MetService

Covering period of Thursday 25th – Monday 29th September – The first week of the spring school holidays comes to an end and showers continue as fast-moving fronts pass over today (Thursday) and Friday. 

These fronts build a line of heavy showers, with the risk of thunderstorms for the South Island, and hail about Canterbury and North Otago today. Snow is also expected to affect some mountain roads.

MetService has issued Strong Wind Watches for the following areas on Friday, where localised gusts of 100km/h are also possible:

Canterbury High Country about and north of Aoraki/Mount Cook.
Grey District, and Westland District north of the Glaciers.
Wellington and Wairarapa.

MetService Meteorologist Michael Pawley details “During spring, fronts line up like waves in the sea. There will be blustery northwesterly winds and decent showers, especially for western parts, as each one rolls through. As winds strengthen, the swell will also pick up, so keep a close eye on the marine forecast if you’re looking to take the boat out.”

On Saturday the All Blacks face Australia at Eden Park for the first Bledisloe Cup test. While it looks like a sunny morning, fans might want to keep a raincoat on hand for the line of showers that will move across Auckland during the afternoon and evening, with possible thunderstorms and strong wind gusts.

On Sunday the clocks spring forward for Daylight Saving, and another burst of rain with strong northwesterly winds moves over the South Island.  

Michael continues “Sunday looks to be a great set up for warmer temperatures in eastern regions thanks to the Foehn effect. This happens when rain falls on the West Coast and Southern Alps, it releases heat, the warm dry air then descends on the Canterbury Plains. This Foehn wind mirrors what occurs in the Alps of Europe.”

Christchurch and Kaikōura are forecast to have a maximum temperature of 21°C on Sunday. Napier and Hastings are expected to get to 24 °C.

There is a glimmer of hope for parents hoping to send the kids outside early next week as the weather settles briefly under a ridge of high pressure.

MIL OSI

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