Animation: Sub-tropical airflow descends across New Zealand

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Animation: Sub-tropical airflow descends across New Zealand

8/11/2019 7:47pm

> From the WeatherWatch archives

It’s warmer than average right across Aotearoa today and it’s all thanks to two airflows, both out of the subtropics.

Like a bath with two hot water taps, NZ today has two streams of sub-tropical air moving across each main island.

The North Island’s flow comes from the north east and up towards Fiji, while the South Island’s equally warm flow is coming from Queensland and the Coral Sea.

No matter how you slice it or dice it New Zealand is again warmer than average today nationwide by a few degrees in the coastal west to over 10 degrees above normal for some parts of the South Island with the gusty nor’wester is also kicking in over the ranges.

A cool change develops over New Zealand from Sunday PM to Tuesday AM.