Source: Bureau of Meteorology

For people in the Mount Lofty Ranges, Riverland, Murraylands, Upper South East, Lower South East and parts of the Adelaide Metropolitan, Mid North and North West Pastoral districts.

Issued at 2:28 pm Thursday, 20 April 2017.

Thunderstorms are occurring in parts of the state.

In the south of the State, thunderstorms are likely to produce heavy rainfall that may lead to flash flooding in the warning area over the next several hours. Locations which may be affected include Roseworthy, Renmark, Mount Gambier, Clare, Murray Bridge, Naracoorte and Bordertown.

In the North West Pastoral district, thunderstorms are likely to produce heavy rainfall that may lead to flash flooding and damaging wind gusts in excess of 90 km/h in the warning area over the next several hours. There is also a chance of large hail with these thunderstorms. Locations which may be affected include Amata and parts of the Great Victoria Desert.

Roseworthy has received around 30mm in the 45 minutes to 2:30 pm.

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