While a cool southerly continues to move over many main centres south of Wellington, northern New Zealand remains under a pool of humid, warm, air – pulled down from the sub-tropics by a stalled low west of Auckland.
As the low slowly falls apart over the next 48 hours it will continue to pump heavy showers into some parts of northern and western New Zealand.
WeatherWatch.co.nz says this afternoon showers will increase in the north and west and daytime heating could see some thunderstorms triggered – although a repeat of Monday’s spectacular thunderstorms is not predicted. Any thunder activity today or this evening is likely to be isolated.
The low itself will cross over the North Island as it falls apart on Thursday.
By Friday the southerly flow that has brought heavy rain and miserable temperatures to many areas south of Wellington will spread across the rest of New Zealand too – but will weaken as it does so with most shower activity fading out on Friday.
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