South set for drenching

00:28, Aug 09 2014
rain
PROJECTION: The MetService's rain forecast for midnight tonight.

First it was snow, and now heavy rain is set to soak the South Island.

MetService has issued a severe weather warning for Fiordland and the Westland ranges south of Otira, with heavy rain expected tomorrow afternoon.

In Fiordland, 140mm of rain was possible, while in the Westland ranges up to 180mm of rain could accumulate between tomorrow and Monday afternoon.

Heaviest falls were expected overnight in Fiordland, with possible intensities of 15 to 20mm an hour.

In Westland, 20 to 25mm an hour could accumulate about the ranges on Monday morning.

Near the divide and about the Otago and Canterbury headwaters, most of this would fall as heavy snow due to cool temperatures, MetService said.

At lower levels, the rain had the potential to cause surface flooding and slips and river levels to rise rapidly.

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