Half a million residents in New South Wales (NSW) are under emergency flood evacuation orders or warnings as the east coast “rain bomb” weather event continues to moves south. “We have 76 evacuation orders in place covering 200,000 people and we have 18 evacuation warnings across New South Wales covering nearly 300,000 people combined,” Emergency Services Minister Stephanie Cooke told reporters on Thursday. Cooke said Greater Sydney, the Hunter, and the Central Coast regions need to brace for “treacherous” weather conditions. NSW Premier Dominic Perrottet asked all residents subject to the evacuation order to follow instructions and get out as soon as possible. “Those instructions are not there for the sake of it. They’re there to keep you and your family safe,” he said. Currently, four people have died from the flooding in NSW. NSW Health told people isolating for COVID-19 to evacuate their homes immediately if ordered to. NSW …