Australia

Winds, rain, hail during South Aust storm

South Australia is being hit by one of its biggest storms of 2019 with winds, with the SES responding to at 76 incidents across the state.

Trees have been brought down and widespread minor damage reported as strong winds and heavy rain sweep across South Australia.

Amid warnings the weather system would be one of the worst so far this winter, the State Emergency Service and the Country Fire Service had crews on high alert.

A severe weather warning also remained in place for coastal regions, as winds across the Adelaide Hills gusted close to 90 km/h.

On Kangaroo Island the winds were even stronger.

By late on Wednesday afternoon, the SES had responded to 76 incidents but there were no reports of serious damage.

In one incident a caravan was torn from behind a car at Strathalbyn, south of Adelaide, with debris strewn across a farmer's paddock.

BOM senior forecaster Matt Bass said the worst of the weather front would strike Adelaide late on Wednesday.

"What we're looking at is quite a windy front coming through, one of the most significant fronts we've seen so far this winter," he said.

"There is a risk of damaging winds across a broad area of the state, roughly south of Streaky Bay to Port Pirie to Renmark. This includes the Adelaide metropolitan area."

State Emergency Service chief of staff Trevor Arnold expected driving conditions and outdoor activities to be dangerous.

"We're asking communities to be aware this could cause minor street flooding," he said.

"We're urging motorists to not drive, ride or walk through floodwater and keep clear of creeks and storm drains. And also check your gutters."

The Mt Lofty Ranges, parts of the lower southeast of the state and Kangaroo Island were expected to receive between 15 and 30mm of rainfall on Wednesday, with wet conditions continuing to the end of the week.

Wave heights of more than five metres are expected along exposed southern coasts, which could increase to eight metres by Friday.

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