North-eastern regions in Queensland are on flood alert as ex-Tropical Cyclone Imogen sweeps across the Sunshine State. Flood warnings are in place from Cooktown, north of Cairns, to Ayr, south of Townsville, as the tropical low continues to dump heavy rain. The Bureau of Meteorology is warning 300 millimetres could fall in a six hour period around the coast and ranges in the warning area. Damaging and destructive winds are also possible with thunderstorms about coastal areas.Locations which may be affected include Townsville, Ingham, Cardwell, Ayr, Giru, Atherton, Ravenshoe, Greenvale and Charters Towers.