The northern regions of New South Wales are experiencing some of the worst flooding ever recorded with river levees overtopped and evacuation orders in place in many areas as the Bureau of Meteorology (BOM) warns it may get worse as the week continues. This comes as a slow-moving coastal trough extending from southern Queensland into northern NSW is bringing heavy rain to the north of the state and pushing multiple rivers to their limits, including the Wilson, Tweed, Richmond, Clarence, and Orara. BOM reported on Monday that the Wilson River levee in the town of Lismore was breached early on Monday morning, with flooding exceeding the highest record levels of March 1974 and February 1954. State Emergency Services (SES) have issued an evacuation order for residents of North and South Lismore, as well as Lismore CBD, low-lying areas of East Lismore, and Girards Hill. Nine News reported that the highway into …