'It's a very, very serious flood.' Loading. 'This flood is the largest recorded flood that we’ve ever had in Cairns, and it’s larger by a substantial amount,” Professor Nott said. James Cook University geo-hydrologist Professor Jonathan Nott said a rain gauge at Myola, outside Cairns, is at its highest point since records began - up to 40 per cent beyond the flood records set in 1977. More than a century of flood records have been broken by the remnants of ex-Tropical Cyclone Jasper, with river levels outside of Cairns now at their highest since records began in 1915. “Everyone on the emergency side of it has been going since pre-Jasper – they’re absolutely exhausted.'Ĭatch up on Sunday's developments about flooding in north Queensland. “We need help, we need people on the ground,' he said.