Thunderstorms fired up yesterday afternoon in South Australia with widespread storms moving across the state today. Yesterday afternoon winds gusted to 89km/h at Coober Pedy with a powerful band of thunderstorms. Storms stretched across the Northwest Pastoral and West Coast along a trough during the afternoon before spreading east overnight. This morning a line of thunderstorms progressed east along another trough over the western districts. This trough will deepen during the day triggering an explosive band of storms with likely damaging wind gusts. This morning a severe thunderstorm warning was in place for most of South Australia for likely damaging wind gusts between 90-110km/h. During the afternoon and evening thunderstorms are likely to bring heavy showers to central and southeastern parts of the state. There are likely to be falls in excess of 30mm. Overnight thunderstorms will continue to move east and become limited to the eastern districts.