Updated 11.02am Tuesday
A deep low pressure system west of Tasmania will continue to move southeastwards today.
A vigorous northwest to southwesterly airstream and associated trough wrapping around the northwestern sector of the low is producing gusty showers and thunderstorms over southern parts of South Australia.
Strong to damaging northwest to southwesterly winds around 50-65 kilometres per hour with peak gusts of 90 to 100 km/h are possible over parts of the warning area.
Damaging winds are most likely with squally showers and thunderstorms and about elevated terrain.
Locations which may be affected include Adelaide, Port Lincoln, Clare, Maitland, Murray Bridge and Kingscote.
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.
- Stay indoors, away from windows, while conditions are severe.
The next severe weather warning will be issued by 2.15pm Tuesday.
A sheep graziers warning is also in effect.
Showers with cold and windy conditions are expected to continue, before easing during Tuesday evening.
Areas likely to be affected include the Mount Lofty Ranges and upper South East forecast districts and parts of the Murraylands and lower South East forecast districts.
There is a risk of losses of lambs and sheep exposed to these conditions.
Warnings are also available through TV and radio broadcasts, the Bureau's website at www.bom.gov.au or by calling 1300 659 215.