Source: Bureau of Meteorology

For people in the Adelaide Metropolitan, Mount Lofty Ranges, Lower Eyre Peninsula, Yorke Peninsula, Mid North, Kangaroo Island, Riverland, Murraylands, Upper South East, Lower South East and parts of the Eastern Eyre Peninsula districts.

Issued at 10:50 am Sunday, 6 August 2017.

An intense low pressure system south of Kangaroo Island will move eastwards to be over western Bass Strait late Sunday evening. A vigorous northwest to southwesterly airstream will extend northeastwards during the afternoon. Showers and possible thunderstorms are expected, heavy at times during the afternoon.

Damaging winds averaging 55-65 km/h with gusts in excess of 90 km/h are possible near coasts and over elevated ground. Damaging wind gusts in excess of 90 km/h are also possible over the warning area associated with showers and thunderstorms.

Heavy rainfall in the Mount Lofty Ranges may also lead to flash flooding this afternoon.

Conditions will ease from the west during the evening.

Locations which may be affected include Adelaide, Port Lincoln, Kingscote, Cleve, Maitland, Mount Gambier, Port Pirie, Clare, Murray Bridge, and Naracoorte.

A wind gust of 90 km/h was recorded at Cape Borda at 8:30 am this morning.

The State Emergency Service advises that people should:
* Move vehicles under cover or away from trees;
* Secure or put away loose items around your property.
* Don't drive, ride or walk through flood water;
* Keep clear of creeks and storm drains;
* Stay indoors, away from windows, while conditions are severe.