Flooding in southern Thailand has left at least nine dead and affected over half a million households. Residents continue to evacuate as floodwaters persist for a fourth day. Authorities warned that more heavy rain is expected.

Thailand’s Meteorological Department has warned of heavy rain, flash floods, and waves up to 9.8 feet (3 meters) high across nine southern provinces due to strong monsoons.

Seven southern provinces in Thailand are grappling with severe flooding and three of the five districts hit by floods in Satun province have been declared disaster zones. The floods have claimed nine lives and displaced more than 10,