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Heavy rain and flooding for Illawara and South Coast

James Casey, Wednesday June 26, 2013 - 12:37 EST

This week the Illawara and South Coast have been drenched, with some places seeing their highest three day rain totals in over a decade, as well as large surf, abnormally large tides and flooding in some parts.

A coastal trough and associated low pressure system have dumped huge amounts of rain over the last few days. Jervis Bay, Nowra and Moss Vale all had their heaviest three day rain totals since at least 2001, recording 273mm, 270mm and 136mm respectively. Robertson got in on the action as well with 336mm, the heaviest three day total in six years.

Usually, Bellambi Point only receives 108mm in June. In the last three days it has recorded 181mm, the heaviest total three day June rainfall in at least 17 years.

Residents in Goulburn and around the Shoalhaven River were warned to evacuate their homes due to the risk of flood waters. The SES received 150 calls for assistance and carried out a number of flood rescues.

The trough and low also caused significant swell heights coinciding with king tides. Wave heights reached close to 10 metres yesterday in Batemans Bay, as well as today in Port Kembla.

The system has now weakened and moved further offshore allowing the rain to ease. However, a high will direct onshore winds and subsequent coastal showers to the region over the next few days, meaning the washing will have to wait until later in the week.

- Weatherzone

© Weatherzone 2013

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