Here’s what is making the weather headlines this weekend….

Why the intense pockets of heavy rain? It's a classic #ConvergenceZone – A big southerly flow from the Southern Ocean meeting a strong northerly flow from the sub-tropics.

The two air flows become head-locked, keeping a line of heavy rain stuck in one area for a long time. pic.twitter.com/kGOEArju2l

— WeatherWatch.co.nz (@WeatherWatchNZ) September 23, 2023

HEAVY RAIN – NORTH ISLAND

Please check out today’s watches and warnings from MetService here.

FROSTY MONDAY – SI, HEAVY RAIN FURTHER NORTH

High pressure lies over the South Island on Monday, this combined with clear skies for many means frosts are likely.

Meanwhile further north a low drags a southeasterly airflow over the North Island bringing heavy rain in the northeast.

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WEATHER ON SUNDAY

A southerly airflow lies over the North Island, tending east to southeast over the South Island.

North Island

Mostly cloudy for the lower and eastern North Island, showers in the east from Wellington up through to Hawkes Bay, Gisborne may have heavy rain in the morning then easing. Morning cloud out west breaks then mostly sunny, winds from the south or southwest.

South Island

Showers in the east and for the top of the South Island, easing from afternoon, becoming few by evening then clearing at night. Snow flurries in the east to 500 or perhaps 400m. South Westland and Southland sees sun. Winds from the east for Southland and Otago, southeast further north. Frosty overnight for many especially about the Main Divide and for the lower South Island.

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