Heavy rain arrives

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Heavy rain has suddenly kicked in, and Metservice has just updated their severe weather watch to a severe weather warning.

What meteorologists are calling a ‘complex trough’ is approaching New Zealand today in a moist north to northeast flow and should cross much of the country tomorrow.

“The heaviest rain is expected about northwest Nelson (west of Motueka) from Friday evening through to Saturday morning, with possible thunderstorms overnight.”

“In the 18 hours from 6pm Friday through to midday Saturday, expect 100 to 150mm about the ranges, with 70 to 100mm likely near the coast. Peak intensities of around 25mm per hour are likely for a time late Friday and early Saturday, especially with any thunderstorms.”

Metservice says that while the downpour is lighter than last week’s event because the land is still saturated the danger remains and swollen rivers, slips and localised surface flooding is to be expected.